treatments-xml/data/03/C0/9D/03C09D45FFDEFF98AC0920ECF083FA79.xml

<document id="660E19BB45F6B47090EFD11926181390" ID-DOI="10.1206/0003-0082(2000)293&lt;0001:TEFOSB&gt;2.0.CO;2" ID-ISSN="0003-0082" ID-Zenodo-Dep="10110982" IM.bibliography_approvedBy="juliana" IM.illustrations_approvedBy="juliana" IM.materialsCitations_approvedBy="juliana" IM.metadata_approvedBy="juliana" IM.tables_requiresApprovalFor="existingObjects,operationResults,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="juliana" checkinTime="1630265931376" checkinUser="carolina" docAuthor="CAMARGO, JOÃO M. F., GRIMALDI, DAVID, A. &amp; PEDRO, SILVIA R. M." docDate="2000" docId="03C09D45FFDEFF98AC0920ECF083FA79" docLanguage="en" docName="N3293.pdf" docOrigin="American Museum Novitates 3293" docSource="http://www.bioone.org/doi/abs/10.1206/0003-0082%282000%29293%3C0001%3ATEFOSB%3E2.0.CO%3B2" docStyle="DocumentStyle:059C9B7006157ECE636E30DEF6793B3A.3:AmMusNovit.2000-2010.journal_article.type2" docStyleId="059C9B7006157ECE636E30DEF6793B3A" docStyleName="AmMusNovit.2000-2010.journal_article.type2" docStyleVersion="3" docTitle="Proplebeia tantilla CAMARGO &amp; GRIMALDI &amp; PEDRO 2000, new species" docType="treatment" docVersion="1" masterDocId="FFF9E53DFFD2FF8AAD512547F43BFFE4" masterDocTitle="The Extinct Fauna of Stingless Bees (Hymenoptera: Apidae: Meliponini) in Dominican Amber: Two New Species and Redescription of the Male of Proplebeia dominicana (Wille and Chandler)" masterLastPageNumber="1" masterPageNumber="1" pageNumber="1" updateTime="1730300627421" updateUser="juliana" zenodo-license-document="CC-BY-4.0">
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<mods:title id="17CE949A3FD621551338AE2D61E0F851">The Extinct Fauna of Stingless Bees (Hymenoptera: Apidae: Meliponini) in Dominican Amber: Two New Species and Redescription of the Male of Proplebeia dominicana (Wille and Chandler)</mods:title>
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<mods:namePart id="1F3316D003DF4A0987751D7CD994904C">CAMARGO, JOÃO M. F.</mods:namePart>
<mods:affiliation id="EDE93B61C87E2D2F409AF197DF8246DE">Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto — USP, Av. Bandeirantes, 3900, 14040 ­ 901 — Ribeirão Preto, SP, Brasil (JMFC is CNPq fellow researcher, Proc. 300014 / 84 ­ 8 RN)</mods:affiliation>
<mods:nameIdentifier id="36056AE240C8284EF2E5164A7DAED010" type="email">jmfdcama@usp.br &amp; jmafcama@ffclrp.usp.br</mods:nameIdentifier>
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<mods:namePart id="007A0E2180D5569C1BDFE509032F9513">GRIMALDI, DAVID, A.</mods:namePart>
<mods:affiliation id="465DC0D2C997EFD6F344312CD5207749">Division of Invertebrate Zoology, American Museum of Natural History</mods:affiliation>
<mods:nameIdentifier id="25373D56AED7CD0ECBC4788BD9A10FA4" type="email">grimaldi@amnh.org</mods:nameIdentifier>
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<mods:namePart id="38DF793D19FCE58DA3654D006A717C1E">PEDRO, SILVIA R. M.</mods:namePart>
<mods:affiliation id="9317FC58EC884D6D2B138A57BCC4AA35">Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto — USP, Av. Bandeirantes, 3900, 14040 ­ 901 — Ribeirão Preto, SP, Brasil (JMFC is CNPq fellow researcher, Proc. 300014 / 84 ­ 8 RN)</mods:affiliation>
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<mods:date id="6B612AD8052EAA9BC18D96A1290C801E">2000</mods:date>
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<mods:number id="A12C7C3F2CE619E53DAFBFD87D93F2C0">2000-03-16</mods:number>
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<subSubSection id="C3737FD8FFDEFF86AC0920ECF6E3FA26" box="[344,728,1451,1475]" pageId="12" type="nomenclature">
<paragraph id="8BD62C53FFDEFF86AC0920ECF6E3FA26" blockId="12.[344,728,1451,1475]" box="[344,728,1451,1475]" pageId="12">
<emphasis id="B91DF041FFDEFF86AC0920ECF67BFA27" bold="true" box="[344,576,1451,1475]" italics="true" pageId="12">
<taxonomicName id="4C6957D0FFDEFF86AC0920ECF601FA27" authority="CAMARGO &amp; GRIMALDI &amp; PEDRO, 2000" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[344,570,1451,1475]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="12" phylum="Arthropoda" rank="species" species="tantilla" status="sp. nov.">Proplebeia tantilla</taxonomicName>
,
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<taxonomicNameLabel id="A22E4D3AFFDEFF86AF1B20ECF6E3FA26" box="[586,728,1451,1474]" pageId="12" rank="species">new species</taxonomicNameLabel>
</paragraph>
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<subSubSection id="C3737FD8FFDEFF86ACE6208DF642FA3B" box="[439,633,1482,1503]" pageId="12" type="description">
<paragraph id="8BD62C53FFDEFF86ACE6208DF642FA3B" blockId="12.[439,633,1482,1503]" box="[439,633,1482,1503]" pageId="12">
<heading id="D09E9B3FFFDEFF86ACE6208DF642FA3B" box="[439,633,1482,1503]" centered="true" fontSize="36" level="3" pageId="12" reason="7">
<figureCitation id="135230D6FFDEFF86ACE6208DF611FA3B" box="[439,554,1482,1503]" captionStart="Figs" captionStartId="10.[298,346,1267,1288]" captionTargetBox="[340,1310,189,1236]" captionTargetId="figure-39@10.[331,1318,176,1245]" captionTargetPageId="10" captionText="Figs. 8–10. Forewing, worker; 8. Proplebeia vetusta, sp.n., holotype, specimen, AMNH­DR­14­854; 9. Proplebeia dominicana, specimen AMNH­DR­14­1175; 10. Proplebeia tantilla, sp. n., paratype, specimen AMNH­DR­14­911. Scale = 1.0 mm." figureDoi="http://doi.org/10.5281/zenodo.10110992" httpUri="https://zenodo.org/record/10110992/files/figure.png" pageId="12">Figures 10</figureCitation>
, 
<figureCitation id="135230D6FFDEFF86AF69208DF642FA3B" box="[568,633,1482,1503]" captionStart-0="Figs" captionStart-1="Fig" captionStart-2="Fig" captionStartId-0="15.[264,312,1400,1421]" captionStartId-1="17.[264,302,1144,1165]" captionStartId-2="18.[298,336,1109,1130]" captionTargetBox-0="[272,1310,183,1368]" captionTargetBox-1="[361,1222,188,1116]" captionTargetBox-2="[331,1318,176,1088]" captionTargetId-0="figure-36@15.[258,1322,176,1379]" captionTargetId-1="figure-36@17.[354,1226,176,1123]" captionTargetId-2="figure-39@18.[331,1318,176,1088]" captionTargetPageId-0="15" captionTargetPageId-1="17" captionTargetPageId-2="18" captionText-0="Figs. 15–19. Proplebeia tantilla, sp. n. 15–17. holotype, male, AMNH­DR­14­1439, head, forewing, and tibia and tarsus III. 18, 19. paratype, worker, same amber piece, fragments of tibia and tarsus III, detail of rastellum, and mandible, detail of denticles." captionText-1="Fig. 20. Proplebeia tantilla, sp. n., holotype, male, AMNH­DR­14­1439, detail of pregenital sterna and genitalia, ventral view." captionText-2="Fig. 21. Photomicrograph of Proplebeia tantilla, sp. n., male, holotype, AMNH­DR­14­1439. Scale = 1.0 mm." figureDoi-0="http://doi.org/10.5281/zenodo.10110998" figureDoi-1="http://doi.org/10.5281/zenodo.10111000" figureDoi-2="http://doi.org/10.5281/zenodo.10111002" httpUri-0="https://zenodo.org/record/10110998/files/figure.png" httpUri-1="https://zenodo.org/record/10111000/files/figure.png" httpUri-2="https://zenodo.org/record/10111002/files/figure.png" pageId="12">15–21</figureCitation>
</heading>
</paragraph>
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<subSubSection id="C3737FD8FFDEFF86AC7C20BBF0EEFE99" pageId="12" type="diagnosis">
<paragraph id="8BD62C53FFDEFF86AC7C20BBF0EEFE99" blockId="12.[272,801,1532,1731]" lastBlockId="12.[848,1378,182,1731]" pageId="12">
DIAGNOSIS: The male is distinguished from that of 
<taxonomicName id="4C6957D0FFDEFF86AC21235EF61BF9D4" box="[368,544,1561,1584]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="12" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFDEFF86AC21235EF61BF9D4" box="[368,544,1561,1584]" italics="true" pageId="12">P. dominicana</emphasis>
</taxonomicName>
, mainly by flagellomeres wider than long, median projection of S6 without apical emargination, and gonostyli swollen and with a hairy, solelike area at apex. Worker is easily distinguished from 
<taxonomicName id="4C6957D0FFDEFF86AC4123EBF581F927" box="[272,442,1708,1731]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="12" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFDEFF86AC4123EBF581F927" box="[272,442,1708,1731]" italics="true" pageId="12">P. dominicana</emphasis>
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and 
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<emphasis id="B91DF041FFDEFF86ACA523EBF648F927" box="[500,627,1708,1731]" italics="true" pageId="12">P. vestusta</emphasis>
</taxonomicName>
by small body size (2.1, 3.0–3.2, 
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, respectively), presence of relatively long, straight hairs on sterna, and long microtrichia over veins M + Cu and first abscissa of M. 
<taxonomicName id="4C6957D0FFDEFF86A9F42448F744FEA7" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="12" phylum="Arthropoda" rank="species" species="tantilla">
<emphasis id="B91DF041FFDEFF86A9F42448F744FEA7" italics="true" pageId="12">Proplebeia tantilla</emphasis>
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is very similar to 
<taxonomicName id="4C6957D0FFDEFF86A909246BF138FEA7" box="[1112,1283,300,323]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="12" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFDEFF86A909246BF138FEA7" box="[1112,1283,300,323]" italics="true" pageId="12">P. dominicana</emphasis>
</taxonomicName>
and the small 
<taxonomicName id="4C6957D0FFDEFF86AEC6240EF7CBFE84" authorityName="Schwarz" authorityYear="1938" box="[919,1008,329,352]" class="Insecta" family="Apidae" genus="Plebeia" kingdom="Animalia" order="Hymenoptera" pageId="12" phylum="Arthropoda" rank="genus">
<emphasis id="B91DF041FFDEFF86AEC6240EF7CBFE84" box="[919,1008,329,352]" italics="true" pageId="12">Plebeia</emphasis>
</taxonomicName>
(s.s.) in the general form of the head, mesosoma, and metasoma.
</paragraph>
</subSubSection>
<subSubSection id="C3737FD8FFDEFF9AAE3C24C3F04BF927" lastPageId="16" pageId="12" type="description">
<paragraph id="8BD62C53FFDEFF9AAE3C24C3F6ABFE84" blockId="12.[848,1378,182,1731]" lastBlockId="16.[272,801,182,1731]" lastPageId="16" pageId="12">
DESCRIPTION: 
<emphasis id="B91DF041FFDEFF86A94324C4F06AFE7F" bold="true" box="[1042,1105,387,411]" pageId="12">Male</emphasis>
(AMNH­DR­14­1439). 
<emphasis id="B91DF041FFDEFF86AE0124E6F7D2FE5D" bold="true" box="[848,1001,417,441]" pageId="12">Dimensions:</emphasis>
Approximate body length 
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, forewing length from apex of costal sclerite to wing tip 
<quantity id="4C9181B6FFDEFF86A914249BF089FE17" box="[1093,1202,476,499]" metricMagnitude="-3" metricUnit="m" metricValue="1.9" pageId="12" unit="mm" value="1.9">1.90 mm</quantity>
(including tegula 
<quantity id="4C9181B6FFDEFF86AEDB24BEF7CEFDF4" box="[906,1013,505,528]" metricMagnitude="-3" metricUnit="m" metricValue="2.24" pageId="12" unit="mm" value="2.24">2.24 mm</quantity>
; wing seems slightly shortened due to striations in the amber); maximum head width 
<quantity id="4C9181B6FFDEFF86AE8C2773F070FDAF" box="[989,1099,564,587]" metricMagnitude="-3" metricUnit="m" metricValue="1.04" pageId="12" unit="mm" value="1.04">1.04 mm</quantity>
. 
<emphasis id="B91DF041FFDEFF86A9092774F15AFDAF" bold="true" box="[1112,1377,563,587]" pageId="12">Color of integument:</emphasis>
Predominantly black, lacking yellow marks; chestnut on ventral part of metasoma, legs, tarsomeres, labrum, mandibles except condyles, maxillar galeae and tegulae; wing veins honey­colored, membrane hyaline. 
<emphasis id="B91DF041FFDEFF86A86C2781F7A7FD1F" bold="true" pageId="12">Pilosity:</emphasis>
Pale yellow over entire body. Decumbent, plumose, pale, minute hairs relatively sparse on face; some erect hairs on clypeus (
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long); vertex with unbranched erect hairs up to 
<quantity id="4C9181B6FFDEFF86A949261EF0BBFC94" box="[1048,1152,857,880]" metricMagnitude="-4" metricUnit="m" metricValue="1.4" pageId="12" unit="mm" value="0.14">0.14 mm</quantity>
long. Mesoscutum practically devoid of micropilosity, only some sparse erect hairs, the longest ones on anterior corners ca. 
<quantity id="4C9181B6FFDEFF86A91B26F6F08CFC2C" box="[1098,1207,945,968]" metricMagnitude="-5" metricUnit="m" metricValue="8.0" pageId="12" unit="mm" value="0.08">0.08 mm</quantity>
on scutellum ca. 
<quantity id="4C9181B6FFDEFF86AE2D2689F7D3FC01" box="[892,1000,974,997]" metricMagnitude="-4" metricUnit="m" metricValue="1.6" pageId="12" unit="mm" value="0.16">0.16 mm</quantity>
long; on ventral part of mesepisterna up to 
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long. Basal area of propodeum glabrous. Posterior edge of tibia III with unbranched hairs (ca. 
<quantity id="4C9181B6FFDEFF86A9BC2161F15BFBD9" box="[1261,1376,1062,1085]" metricMagnitude="-4" metricUnit="m" metricValue="1.4" pageId="12" unit="mm" value="0.14">0.14 mm</quantity>
long). T1­3 glabrous; T4­6 with some hairs on sides, T7 with some unbranched hairs up to 
<quantity id="4C9181B6FFDEFF86AE232139F7E6FB71" box="[882,989,1150,1173]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="12" unit="mm" value="0.2">0.20 mm</quantity>
long. S2­4 with only one hairy band, S5 with a row of short hairs on median portion of apical margin (
<quantity id="4C9181B6FFDEFF86A92A21FEF0D3FB34" box="[1147,1256,1209,1232]" metricMagnitude="-5" metricUnit="m" metricValue="4.0" pageId="12" unit="mm" value="0.04">0.04 mm</quantity>
), S6­7 apparently lacking hairs. 
<emphasis id="B91DF041FFDEFF86A9322191F0C7FB0A" bold="true" box="[1123,1276,1238,1262]" pageId="12">Integument:</emphasis>
Smooth and shiny, except for some sparse piligerous punctures; slightly rugose on superior part of head. 
<emphasis id="B91DF041FFDEFF86AECB2069F081FAA2" bold="true" box="[922,1210,1326,1350]" pageId="12">Form and proportions</emphasis>
: Head 1.24× wider than long (1.04: 0.84, length measured from apex of clypeus to upper tangent of median ocellus). Eyes 1.9× longer than wide (0.72: 0.38) and convergent below; upper interorbital distance 0.56, maximum distance 0.58, lower distance 0.38. Malar area linear. Clypeus trapezoidal, 1.7× wider than long (0.34: 0.20), slightly convex; labrum normal, slightly convex. Distance between clypeus and median ocellus (0.54) practically equal to the upper interorbital distance. Interalveolar distance nearly equal to the diameter of antennal alveolus and ca. 2× longer than the alveolorbital distance (0.11: 0.12: 0.06). Frons with median line impressed well. Distance between lateral ocelli 2.0× diameter of median ocellus and 2.4× ocellorbital distance (0.22: 0.11: 0.09). Vertex very narrow, with abrupt slope behind lateral ocelli; preoccipital ridge slightly rounded. Scape length ca. 3.5× its diameter (0.28: 0.08), and ca. 
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<emphasis id="B91DF041FFDFFF87AFA020BBF6CEF9F0" bold="true" box="[753,757,1532,1556]" pageId="13">⁄</emphasis>
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distance between antennal alveolus and lateral ocellus (
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). Flagellum plus pedicel (1.04) ca. 3.7× length of scape; flagellomeres shorter than wide (the second one, 0.08: 0.10). Scutellum not visible in dorsal view, in profile slightly projected beyond metanotum. Forewing 2.04× longer than wide (1.90: 0.93; the wing may be slightly shortened due to striations in the amber; this distortion could not be corrected by application of glycerin and a coverslip); pterostigma 4× longer than wide (0.40: 0.10); marginal cell 4.37× longer than wide (0.70: 0.16), slightly open at apex; Rs slightly sinuate toward apex; angle between Rs and Rs + M slightly open; first abscissa of M ca. 
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<emphasis id="B91DF041FFDFFF87A8602370F10EF9AB" bold="true" box="[1329,1333,1591,1615]" pageId="13">⁄</emphasis>
<subScript id="17ED2E16FFDFFF87A8642304F105F9B5" attach="none" box="[1333,1342,1603,1617]" fontSize="6" pageId="13">7</subScript>
length of first abscissa of Cu (0.30: 0.42), and a little shorter than Rs + M + second M (0.32). First submarginal cell without clear limits, entirely open. Hamuli, 5. Tibia III subtriangular, 3.08× longer than wide (0.80: 0.26); posterodistal corner angled slightly open. Basitarsus III 2.15× longer than wide (0.28: 0.13), with anterior margin practically straight and posterior margin slightly sinuate; posterodistal corner right angled. S2­4 unmodified; S5 invaginated, but apparently with slight emargination on each side of median distal border; S6 with one long, median, spatulate projection turned downward, and deeply emarginate on each side; S7 very wide and strongly sclerotized. Genitalia triggered, with penis covering part of the structures; penis valves short, about half of the length of gonostyli and strongly arched; gosnostyli relatively short and swollen at apex, forming a hairy, solelike area on inner surface; no structure visible that can be interpreted as a spatha (details of genitalia and pregenital sterna in fig. 20).
</paragraph>
<caption id="DF167CDBFFDFFF87AC5921F2F624FAE4" ID-DOI="http://doi.org/10.5281/zenodo.10110994" ID-Zenodo-Dep="10110994" httpUri="https://zenodo.org/record/10110994/files/figure.png" pageId="13" startId="13.[264,312,1205,1226]" targetBox="[257,1323,189,1173]" targetPageId="13">
<paragraph id="8BD62C53FFDFFF87AC5921F2F624FAE4" blockId="13.[238,1342,1205,1280]" pageId="13">
Figs. 11–13. 
<taxonomicName id="4C6957D0FFDFFF87ACF921F1F649FB2F" authority="CAMARGO &amp; GRIMALDI &amp; PEDRO, 2000" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[424,626,1206,1227]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="13" phylum="Arthropoda" rank="species" species="vetusta" status="sp. nov.">
<emphasis id="B91DF041FFDFFF87ACF921F1F649FB2F" box="[424,626,1206,1227]" italics="true" pageId="13">Proplebeia vetusta</emphasis>
</taxonomicName>
, 
<taxonomicNameLabel id="A22E4D3AFFDFFF87AFD521F2F6F9FB2E" box="[644,706,1205,1226]" pageId="13" rank="species">sp. n.</taxonomicNameLabel>
, holotype, AMNH­DR­14­1481, head, detail of mandible, tibia and tarsus III, detail of penicillum and rastellum. Minor scale bar = 1.0 mm (fig. 11), large scale bar = 1.0 mm (figs. 12–13).
</paragraph>
</caption>
<caption id="DF167CDBFFDCFF84AC042302F127F9BE" ID-DOI="http://doi.org/10.5281/zenodo.10110996" ID-Zenodo-Dep="10110996" box="[341,1308,1604,1627]" httpUri="https://zenodo.org/record/10110996/files/figure.png" pageId="14" startId="14.[341,379,1605,1626]" targetBox="[484,1174,184,1574]" targetPageId="14">
<paragraph id="8BD62C53FFDCFF84AC042302F127F9BE" blockId="14.[341,1308,1604,1627]" box="[341,1308,1604,1627]" pageId="14">
Fig. 14. 
<taxonomicName id="4C6957D0FFDCFF84AC932301F6B2F9BF" authority="CAMARGO &amp; GRIMALDI &amp; PEDRO, 2000" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[450,649,1606,1627]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="14" phylum="Arthropoda" rank="species" species="vetusta" status="sp. nov.">
<emphasis id="B91DF041FFDCFF84AC932301F6B2F9BF" box="[450,649,1606,1627]" italics="true" pageId="14">Proplebeia vetusta</emphasis>
</taxonomicName>
, 
<taxonomicNameLabel id="A22E4D3AFFDCFF84AFC82302F6EFF9BE" box="[665,724,1605,1626]" pageId="14" rank="species">sp. n.</taxonomicNameLabel>
, holotype, AMNH­DR­14­1481. Scale bar = 1.0 mm.
</paragraph>
</caption>
<caption id="DF167CDBFFDDFF85AC59203FF71DFA26" ID-DOI="http://doi.org/10.5281/zenodo.10110998" ID-Zenodo-Dep="10110998" httpUri="https://zenodo.org/record/10110998/files/figure.png" pageId="15" startId="15.[264,312,1400,1421]" targetBox="[272,1310,183,1368]" targetPageId="15">
<paragraph id="8BD62C53FFDDFF85AC59203FF71DFA26" blockId="15.[238,1342,1400,1474]" pageId="15">
Figs. 15–19. 
<taxonomicName id="4C6957D0FFDDFF85ACF5203FF657FA69" authority="CAMARGO &amp; GRIMALDI &amp; PEDRO, 2000" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[420,620,1400,1421]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="15" phylum="Arthropoda" rank="species" species="tantilla" status="sp. nov.">
<emphasis id="B91DF041FFDDFF85ACF5203FF657FA69" box="[420,620,1400,1421]" italics="true" pageId="15">Proplebeia tantilla</emphasis>
</taxonomicName>
, 
<taxonomicNameLabel id="A22E4D3AFFDDFF85AF28203FF689FA69" box="[633,690,1400,1421]" pageId="15" rank="species">sp. n.</taxonomicNameLabel>
<emphasis id="B91DF041FFDDFF85AFE9203FF73BFA69" bold="true" box="[696,768,1400,1421]" pageId="15">15–17.</emphasis>
holotype, male, AMNH­DR­14­1439, head, forewing, and tibia and tarsus III. 
<emphasis id="B91DF041FFDDFF85ACA420D5F67BFA43" bold="true" box="[501,576,1426,1447]" pageId="15">18, 19.</emphasis>
paratype, worker, same amber piece, fragments of tibia and tarsus III, detail of rastellum, and mandible, detail of denticles.
</paragraph>
</caption>
<paragraph id="8BD62C53FFC2FF9AAC7C2421F04BF927" blockId="16.[272,801,182,1731]" lastBlockId="16.[848,1377,182,1731]" pageId="16">
<emphasis id="B91DF041FFC2FF9AAC7C2421F5B4FE9A" bold="true" box="[301,399,358,382]" pageId="16">Worker</emphasis>
(AMNH­DR­14­911). Specimen very deformed due to dehydration in amber (e.g., antennae completely flattened, ocelli pedunculate), so measurements provided here do not reveal real size of body structure; only wings are apparently unaltered. 
<emphasis id="B91DF041FFC2FF9AAF9524BEF56CFDCA" bold="true" pageId="16">Dimensions:</emphasis>
Approximate body length 
<quantity id="4C9181B6FFC2FF9AAFE72751F727FDC9" box="[694,796,534,557]" metricMagnitude="-3" metricUnit="m" metricValue="2.1" pageId="16" unit="mm" value="2.1">2.1 mm</quantity>
; forewing length from apex of costal sclerite to wing tip 
<quantity id="4C9181B6FFC2FF9AACF32716F636FD8C" box="[418,525,593,616]" metricMagnitude="-3" metricUnit="m" metricValue="1.96" pageId="16" unit="mm" value="1.96">1.96 mm</quantity>
(including tegula 
<quantity id="4C9181B6FFC2FF9AAFBC2716F579FD61" metricMagnitude="-3" metricUnit="m" metricValue="2.26" pageId="16" unit="mm" value="2.26">2.26 mm</quantity>
); maximum head width 
<quantity id="4C9181B6FFC2FF9AAF302729F6F6FD61" box="[609,717,622,645]" metricMagnitude="-4" metricUnit="m" metricValue="9.6" pageId="16" unit="mm" value="0.96">0.96 mm</quantity>
. 
<emphasis id="B91DF041FFC2FF9AAF882729F5F5FD47" bold="true" pageId="16">Color of integument:</emphasis>
Predominantly black, with several parts of the body discolored and translucent. There are no perceptible yellow markings on head; clypeus and supraclypeal area chestnut (discolored?); lower parocular areas lighter; scape yellowish, discolored; flagellum dark chestnut; mandibles discolored (translucent). Mesosoma black, lacking yellow markings, only anterior corners of mesoscutum discolored. Legs strongly discolored and translucent; only posterior distal border of tibia III and whole basitarsus III blackish. Forewing C and R veins distinctly black; pterostigma largely translucent in middle; wings membrane hyaline; microtrichia dusky. Metasomal terga blackish; sterna discolored. 
<emphasis id="B91DF041FFC2FF9AAC2C2126F5D8FB9D" bold="true" box="[381,483,1121,1145]" pageId="16">Pilosity:</emphasis>
Fine, decumbent, minute hairs covering whole face as in 
<taxonomicName id="4C6957D0FFC2FF9AAFD02138F6E1FB72" authorityName="Schwarz" authorityYear="1938" box="[641,730,1151,1174]" class="Insecta" family="Apidae" genus="Plebeia" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="genus">
<emphasis id="B91DF041FFC2FF9AAFD02138F6E1FB72" box="[641,730,1151,1174]" italics="true" pageId="16">Plebeia</emphasis>
</taxonomicName>
(s.s.), clearly plumose on lower parocular areas; less perceptible on clypeus. Vertex with some erect, unbranched, pale hairs, longest ones ca. 
<quantity id="4C9181B6FFC2FF9AAC2621B3F5D8FAEF" box="[375,483,1268,1291]" metricMagnitude="-4" metricUnit="m" metricValue="1.2" pageId="16" unit="mm" value="0.12">0.12 mm</quantity>
. A fine layer of bubbles on integument hinders observation of micropilosity on mesoscutum; however, pale and sparsely distributed erect hairs are quite visible; on anterior corners they are denser and as long as ones on vertex. Distal border of scutellum with some very long unbranched hairs, ca. 
<quantity id="4C9181B6FFC2FF9AACCB2086F628FA3C" box="[410,531,1473,1496]" metricMagnitude="-4" metricUnit="m" metricValue="1.7999999999999998" pageId="16" unit="mm" value="0.18">0.18 mm</quantity>
. Microtrichia sparse, clearly visible in radial and cubital cells and in area corresponding to first submarginal cell of forewing (fig. 10), longest ones ca. 
<quantity id="4C9181B6FFC2FF9AAC412371F5B8F9A9" box="[272,387,1590,1613]" metricMagnitude="-5" metricUnit="m" metricValue="2.0" pageId="16" unit="mm" value="0.02">0.02 mm</quantity>
; denser and shorter toward wing apex; veins M + Cu and first abscissa of M with some long hairs (ca. 
<quantity id="4C9181B6FFC2FF9AAF032336F6F9F96C" box="[594,706,1649,1672]" metricMagnitude="-5" metricUnit="m" metricValue="3.0" pageId="16" unit="mm" value="0.03">0.03 mm</quantity>
), black, clearly visible. Sterna, mainly S3, with very long, erect hairs, T1–2 apparently glabrous dorsally, T3–4 with some erect hairs; T5 and especially T6 with erect very long, unbranched hairs, the longest ones ca. 
<quantity id="4C9181B6FFC2FF9AA9A325B6F166FEEC" box="[1266,1373,241,264]" metricMagnitude="-4" metricUnit="m" metricValue="1.6" pageId="16" unit="mm" value="0.16">0.16 mm</quantity>
. Posterior border of tibia III, with unbranched hairs ca. 
<quantity id="4C9181B6FFC2FF9AAE91246BF010FEA7" box="[960,1067,300,323]" metricMagnitude="-4" metricUnit="m" metricValue="1.6" pageId="16" unit="mm" value="0.16">0.16 mm</quantity>
long; one corbicular hair 
<quantity id="4C9181B6FFC2FF9AAE01240EF782FE84" box="[848,953,329,352]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="16" unit="mm" value="0.2">0.20 mm</quantity>
long; basal third of tibia with some erect hairs 
<quantity id="4C9181B6FFC2FF9AAE8C2421F070FE99" box="[989,1099,358,381]" metricMagnitude="-4" metricUnit="m" metricValue="1.0" pageId="16" unit="mm" value="0.1">0.10 mm</quantity>
long, all pale yellow. Penicillum with very long (ca. 
<quantity id="4C9181B6FFC2FF9AA9B724C3F163FE7F" box="[1254,1368,388,411]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="16" unit="mm" value="0.2">0.20 mm</quantity>
) hairs; posterior parapenicillum with two visible hairs, largely bent, ca. 
<quantity id="4C9181B6FFC2FF9AA9FB24F9F123FE31" box="[1194,1304,446,469]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="16" unit="mm" value="0.2">0.20 mm</quantity>
long. Positions of legs preclude observation of details of the keirotrichiate area and presence of a rastellum; only right tibia III observable with two long hairs (ca. 0.07), which might belong to rastellum. Left leg measurements possible for only the length of some hairs of keirotrichiate area (ca. 
<quantity id="4C9181B6FFC2FF9AA92427CBF0D1FD47" box="[1141,1258,652,675]" metricMagnitude="-5" metricUnit="m" metricValue="3.0" pageId="16" unit="mm" value="0.03">0.03 mm</quantity>
). 
<emphasis id="B91DF041FFC2FF9AA85727CCF7A3FD25" bold="true" pageId="16">Integument:</emphasis>
Smooth and shiny, as in 
<taxonomicName id="4C6957D0FFC2FF9AA9B127EEF7B3FD3A" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFC2FF9AA9B127EEF7B3FD3A" italics="true" pageId="16">P. dominicana</emphasis>
</taxonomicName>
. 
<emphasis id="B91DF041FFC2FF9AAEF42781F0EDFD3A" bold="true" box="[933,1238,710,734]" pageId="16">Form and proportions</emphasis>
: Although measurements do not correspond to exact size of structures (except for wings), some are given below which might provide useful proportions: maximum head width 0.98; upper, maximum, and lower distances 0.65, 0.67, 0.52, respectively; eye length 0.68; clypeus width 0.36; length of pedicel plus flagellum 0.76; scape 0.32; malar area length 0.08; mandible 0.80, with two denticles on inner corner of apical cutting edge, space between them semicircular. General form of head as in the small species of 
<taxonomicName id="4C6957D0FFC2FF9AA9912160F122FBDA" authorityName="Schwarz" authorityYear="1938" box="[1216,1305,1063,1086]" class="Insecta" family="Apidae" genus="Plebeia" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="genus">
<emphasis id="B91DF041FFC2FF9AA9912160F122FBDA" box="[1216,1305,1063,1086]" italics="true" pageId="16">Plebeia</emphasis>
</taxonomicName>
(s.s.). Labium ca. 
<quantity id="4C9181B6FFC2FF9AAE8A2103F078FBBF" box="[987,1091,1092,1115]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="16" unit="mm" value="1.2">1.20 mm</quantity>
long (glossa only 0.48), completely translucent. Mesosoma very deformed, but apparently similar to those of 
<taxonomicName id="4C6957D0FFC2FF9AA8162138F7E2FB57" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFC2FF9AA8162138F7E2FB57" italics="true" pageId="16">P. dominicana</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C6957D0FFC2FF9AA94321DBF050FB57" authorityName="Schwarz" authorityYear="1938" box="[1042,1131,1180,1203]" class="Insecta" family="Apidae" genus="Plebeia" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="genus">
<emphasis id="B91DF041FFC2FF9AA94321DBF050FB57" box="[1042,1131,1180,1203]" italics="true" pageId="16">Plebeia</emphasis>
</taxonomicName>
(s.s.); scutellum normal, in an approximately equilateral arch with round apex, without basal fovea. Tibia III subtriangular (as in 
<taxonomicName id="4C6957D0FFC2FF9AA92921B3F113FAEF" box="[1144,1320,1268,1291]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFC2FF9AA92921B3F113FAEF" box="[1144,1320,1268,1291]" italics="true" pageId="16">P. dominicana</emphasis>
</taxonomicName>
and 
<emphasis id="B91DF041FFC2FF9AAE012056F78AFACC" box="[848,945,1297,1320]" italics="true" pageId="16">
<taxonomicName id="4C6957D0FFC2FF9AAE012056F797FACC" authorityName="Schwarz" authorityYear="1938" box="[848,940,1297,1320]" class="Insecta" family="Apidae" genus="Plebeia" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="genus" sensu="stricto">Plebeia</taxonomicName>
,
</emphasis>
<taxonomicNameLabel id="A22E4D3AFFC2FF9AAE932056F7DCFACC" box="[962,999,1297,1320]" pageId="16" sensu="stricto">s.s.</taxonomicNameLabel>
), elongate, with posterodistal corner acutely angled, strongly projected (tibia is very compressed, approximately 0.20 wide). Forewings folded and cannot be measured; pterostigma 3.6× longer than wide (0.36: 0.10); marginal cell a little more bulging at base than in 
<taxonomicName id="4C6957D0FFC2FF9AA9392086F128FA3C" box="[1128,1299,1473,1496]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="16" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFC2FF9AA9392086F128FA3C" box="[1128,1299,1473,1496]" italics="true" pageId="16">P. dominicana</emphasis>
</taxonomicName>
(0.64: 0.20), and more open apically; angle between Rs and Rs + M slightly acute, ca. 85°; first abscissa of M 1.35× longer than Rs + M + second M (0.38: 0.28); free portion of Cu vein imperceptible; submarginal cell entirely open, lacking any trace of vein that delimits it. Hamuli, 5. Metasoma short, triangular; last tergum pointed apically.
</paragraph>
</subSubSection>
<caption id="DF167CDBFFC3FF9BAC59213FF62AFB4C" ID-DOI="http://doi.org/10.5281/zenodo.10111000" ID-Zenodo-Dep="10111000" httpUri="https://zenodo.org/record/10111000/files/figure.png" pageId="17" startId="17.[264,302,1144,1165]" targetBox="[361,1222,188,1116]" targetPageId="17">
<paragraph id="8BD62C53FFC3FF9BAC59213FF62AFB4C" blockId="17.[238,1341,1144,1192]" pageId="17">
Fig. 20. 
<taxonomicName id="4C6957D0FFC3FF9BAC24213FF606FB69" authority="CAMARGO &amp; GRIMALDI &amp; PEDRO, 2000" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[373,573,1144,1165]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="17" phylum="Arthropoda" rank="species" species="tantilla" status="sp. nov.">
<emphasis id="B91DF041FFC3FF9BAC24213FF606FB69" box="[373,573,1144,1165]" italics="true" pageId="17">Proplebeia tantilla</emphasis>
</taxonomicName>
, 
<taxonomicNameLabel id="A22E4D3AFFC3FF9BAF1D213FF6B3FB69" box="[588,648,1144,1165]" pageId="17" rank="species">sp. n.</taxonomicNameLabel>
, holotype, male, AMNH­DR­14­1439, detail of pregenital sterna and genitalia, ventral view.
</paragraph>
</caption>
<subSubSection id="C3737FD8FFC3FF9BAC5A2191F63FFA5F" pageId="17" type="materials_examined">
<paragraph id="8BD62C53FFC3FF9BAC5A2191F63FFA5F" blockId="17.[238,766,1238,1731]" pageId="17">
<materialsCitation id="3B01260EFFC3FF9BAC5A2191F565FACC" country="Dominican Republic" location="Miocene" pageId="17" specimenCode="AMNH-DR-14- 1439" specimenCount="1" specimenCount-male="1" specimenCount-worker="1" typeStatus="holotype">
TYPES: 
<typeStatus id="54D292F1FFC3FF9BAC3A2191F5E1FB09" box="[363,474,1238,1261]" pageId="17" type="holotype">Holotype</typeStatus>
, 
<specimenCount id="9D6FE7DAFFC3FF9BACA02191F617FB09" box="[497,556,1238,1261]" pageId="17" type="male">male</specimenCount>
, 
<specimenCode id="DBCF8428FFC3FF9BAF122191F510FAEF" pageId="17">AMNH­DR­14­ 1439</specimenCode>
, in 
<location id="8EB67A88FFC3FF9BAC3121B3F5FDFAEF" LSID="urn:lsid:plazi:treatment:03C09D45FFDEFF98AC0920ECF083FA79:8EB67A88FFC3FF9BAC3121B3F5FDFAEF" box="[352,454,1268,1291]" country="Dominican Republic" name="Miocene" pageId="17">Miocene</location>
amber of the 
<collectingCountry id="F37E6CC3FFC3FF9BAF2C21B3F560FACC" pageId="17">Dominican Republic</collectingCountry>
.
</materialsCitation>
<materialsCitation id="3B01260EFFC3FF9BAC3B2056F63FFA5F" country="Dominican Republic" location="Miocene" pageId="17" specimenCode="AMNH-DR-14-911" specimenCount="2" specimenCount-male="1" specimenCount-worker="1" typeStatus="paratype">
Fragments of 
<specimenCount id="9D6FE7DAFFC3FF9BAF442056F6BFFACC" box="[533,644,1297,1320]" count="1" pageId="17" type="male">one male</specimenCount>
and fragments of 
<specimenCount id="9D6FE7DAFFC3FF9BAC0B2069F5E5FAA1" box="[346,478,1326,1349]" count="1" pageId="17" type="worker">one worker</specimenCount>
in the same amber piece are 
<typeStatus id="54D292F1FFC3FF9BAC4F200BF5AAFA87" box="[286,401,1356,1379]" pageId="17" type="paratype">paratypes</typeStatus>
. One worker in an additional piece, 
<specimenCode id="DBCF8428FFC3FF9BAC6A202EF61EFA64" box="[315,549,1385,1408]" pageId="17">AMNH­DR­14­911</specimenCode>
, with same origin, is also a paratype. Exact mine where amber was found is unknown.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C3737FD8FFC3FF9BAC5A2086F559FA11" pageId="17" type="etymology">
<paragraph id="8BD62C53FFC3FF9BAC5A2086F559FA11" blockId="17.[238,766,1238,1731]" pageId="17">
ETYMOLOGY: From the Latin, 
<emphasis id="B91DF041FFC3FF9BAF3C2086F6F7FA3C" box="[621,716,1473,1496]" italics="true" pageId="17">tantillus</emphasis>
, little, small.
</paragraph>
</subSubSection>
<subSubSection id="C3737FD8FFC3FF98AC5A20BBF083FA79" lastPageId="18" pageId="17" type="discussion">
<paragraph id="8BD62C53FFC3FF98AC5A20BBF58DFA64" blockId="17.[238,766,1238,1731]" lastBlockId="18.[272,801,1209,1731]" lastPageId="18" pageId="17">
REMARKS: Another male of the same species, sectioned longitudinally during polishing of the piece by Dominican dealers is included in the same piece of amber with the 
<typeStatus id="54D292F1FFC3FF9BADBF2336F56FF96C" box="[238,340,1649,1672]" pageId="17" type="holotype">holotype</typeStatus>
(AMNH­DR­14­1439). What remains are the ventral portion of the mesosoma, part of the metasoma, genitalia and legs; there are also fragments of the maxillae, labium, mandible and legs of 
<specimenCount id="9D6FE7DAFFC3FF9BA9FF21B3F101FAEF" box="[1198,1338,1268,1291]" pageId="17" type="worker">one worker</specimenCount>
, supposedly of the same species. In the fragment of tibia III, which corresponds to the distal half, it is possible to see the rastellum with at least seven long (cylindrical?) hairs (fig. 18), as in 
<taxonomicName id="4C6957D0FFC3FF9BAE8D20C0F0BDFA7A" box="[988,1158,1415,1438]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="17" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFC3FF9BAE8D20C0F0BDFA7A" box="[988,1158,1415,1438]" italics="true" pageId="17">P. dominicana</emphasis>
</taxonomicName>
; the penicillum and anterior parapenicillum are well developed but it is not possible to see details; in the distal half of the inner surface, the posterior glabrous rim, about 
<superScript id="7C1C811BFFC3FF9BA90F20BCF05EF9ED" attach="right" box="[1118,1125,1531,1545]" fontSize="6" pageId="17">2</superScript>
<emphasis id="B91DF041FFC3FF9BA93720BBF051F9F0" bold="true" box="[1126,1130,1532,1556]" pageId="17">⁄</emphasis>
<subScript id="17ED2E16FFC3FF9BA938234FF049F9F2" attach="left" box="[1129,1138,1544,1558]" fontSize="6" pageId="17">7</subScript>
the keirotrichiate area width, is apparently not depressed. In 
<taxonomicName id="4C6957D0FFC3FF9BAE7F2370F01BF9AA" baseAuthorityName="Wille" baseAuthorityYear="1959" box="[814,1056,1591,1614]" class="Insecta" family="Apidae" genus="Nogueirapis" kingdom="Animalia" order="Hymenoptera" pageId="17" phylum="Arthropoda" rank="species" species="silacea">
<emphasis id="B91DF041FFC3FF9BAE7F2370F01BF9AA" box="[814,1056,1591,1614]" italics="true" pageId="17">Nogueirapis silacea</emphasis>
</taxonomicName>
the depressed area is limited to the basal half of the tibia (
<bibRefCitation id="EFF851A2FFC3FF9BA9A72313F757F96C" author="Wille, A." journalOrPublisher="Mexico. J. Paleontol" pageId="17" pagination="849 - 852" part="33" refId="ref12095" refString="Wille, A. 1959. A new fossil stingless bee (Meliponini) from the amber of Chiapas, Mexico. J. Paleontol. 33 (5): 849 - 852, pl. 119." title="A new fossil stingless bee (Meliponini) from the amber of Chiapas" type="journal article" year="1959">Wille, 1959</bibRefCitation>
), and in 
<taxonomicName id="4C6957D0FFC3FF9BAEB12336F0B4F96C" box="[992,1167,1649,1672]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="17" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFC3FF9BAEB12336F0B4F96C" box="[992,1167,1649,1672]" italics="true" pageId="17">P. dominicana</emphasis>
</taxonomicName>
the step does not follow the contour of the keirotrichiate area and is gentler toward the apex of the tibia (fig. 4). The worker (AMNH­DR­14­ 911) was interpreted as 
<taxonomicName id="4C6957D0FFC0FF98AF652190F697FB0A" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[564,684,1239,1262]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="18" phylum="Arthropoda" rank="species" species="tantilla">
<emphasis id="B91DF041FFC0FF98AF652190F697FB0A" box="[564,684,1239,1262]" italics="true" pageId="18">P. tantilla</emphasis>
</taxonomicName>
based on the body size, and the shape and size of the wing veins; it was not possible, however, to verify if the male has long microtrichia on veins M + Cu and the first abscissa of M, as in the worker.
</paragraph>
<caption id="DF167CDBFFC0FF98AC7B2112F5BCFB61" ID-DOI="http://doi.org/10.5281/zenodo.10111002" ID-Zenodo-Dep="10111002" httpUri="https://zenodo.org/record/10111002/files/figure.png" pageId="18" startId="18.[298,336,1109,1130]" targetBox="[331,1318,176,1088]" targetPageId="18">
<paragraph id="8BD62C53FFC0FF98AC7B2112F5BCFB61" blockId="18.[272,1377,1109,1157]" pageId="18">
Fig. 21. Photomicrograph of 
<taxonomicName id="4C6957D0FFC0FF98AF222111F700FB8F" authority="CAMARGO &amp; GRIMALDI &amp; PEDRO, 2000" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[627,827,1110,1131]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="18" phylum="Arthropoda" rank="species" species="tantilla" status="sp. nov.">
<emphasis id="B91DF041FFC0FF98AF222111F700FB8F" box="[627,827,1110,1131]" italics="true" pageId="18">Proplebeia tantilla</emphasis>
</taxonomicName>
, 
<taxonomicNameLabel id="A22E4D3AFFC0FF98AE182112F7BFFB8E" box="[841,900,1109,1130]" pageId="18" rank="species">sp. n.</taxonomicNameLabel>
, male, holotype, AMNH­DR­14­1439. Scale = 1.0 mm.
</paragraph>
</caption>
<paragraph id="8BD62C53FFC0FF98AC7C20C1F083FA79" blockId="18.[272,801,1209,1731]" lastBlockId="18.[848,1377,1209,1437]" pageId="18">
The male of 
<taxonomicName id="4C6957D0FFC0FF98AC9220C0F602FA7A" authorityName="CAMARGO &amp; GRIMALDI &amp; PEDRO" authorityYear="2000" box="[451,569,1415,1438]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="18" phylum="Arthropoda" rank="species" species="tantilla">
<emphasis id="B91DF041FFC0FF98AC9220C0F602FA7A" box="[451,569,1415,1438]" italics="true" pageId="18">P. tantilla</emphasis>
</taxonomicName>
differs from that of 
<taxonomicName id="4C6957D0FFC0FF98AC4120E3F5F9FA5F" box="[272,450,1444,1467]" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="18" phylum="Arthropoda" rank="species" species="dominicana">
<emphasis id="B91DF041FFC0FF98AC4120E3F5F9FA5F" box="[272,450,1444,1467]" italics="true" pageId="18">P. dominicana</emphasis>
</taxonomicName>
mainly by having flagellomeres wider than long, the median projection of S6 not apically emarginate, penis valvae short and slender, and gonostyli swollen at the apex, forming a hairy, solelike area (an autapomorphic condition). There are no shared apomorphies among male characters, only S7 is well developed and sclerotized in both species (but this can be a plesiomorphic condition; in modern genera S7 is usually re­ duced and weakly sclerotized). The decision to include this species in the genus 
<taxonomicName id="4C6957D0FFC0FF98A8592190F7B9FAEF" authorityName="Michener" authorityYear="1982" class="Insecta" family="Apidae" genus="Proplebeia" higherTaxonomySource="GBIF" kingdom="Animalia" order="Hymenoptera" pageId="18" phylum="Arthropoda" rank="genus">
<emphasis id="B91DF041FFC0FF98A8592190F7B9FAEF" italics="true" pageId="18">Proplebeia</emphasis>
</taxonomicName>
was based on characters of the worker: rastellum with 7–8 long, spinelike hairs, and glabrous posterior rim of inner surface of tibia III very wide, ca. 
<superScript id="7C1C811BFFC0FF98A918200CF06BFABD" attach="right" box="[1097,1104,1355,1369]" fontSize="6" pageId="18">2</superScript>
<emphasis id="B91DF041FFC0FF98A900200BF06EFA80" bold="true" box="[1105,1109,1356,1380]" pageId="18">⁄</emphasis>
<subScript id="17ED2E16FFC0FF98A905201FF066FA82" attach="left" box="[1108,1117,1368,1382]" fontSize="6" pageId="18">7</subScript>
the width of keirotrichiate area, although it is not clear if the rim is depressed and forms a step.
</paragraph>
</subSubSection>
</treatment>
</document>