<documentid="5B86F64AF803255B4419236851581F24"ID-DOI="10.11646/zootaxa.5555.1.8"ID-ISSN="1175-5326"ID-Zenodo-Dep="14508637"ID-ZooBank="5761A022-2471-4D86-9409-329012AB2500"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="guilherme"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="felipe"IM.treatments_approvedBy="guilherme"checkinTime="1734446847328"checkinUser="plazi"docAuthor="Gao, Yan, Palacios-Vargas, José G., Arango, Angela & Bu, Yun"docDate="2024"docId="03ED87F4FFDFDD6642A3FF4DFE4EF9BA"docLanguage="en"docName="zootaxa..5555.1.8.pdf"docOrigin="Zootaxa 5555 (1)"docSource="https://doi.org/10.11646/zootaxa.5555.1.8"docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article"docStyleId="647186512141C8FC8976D5BCC54AEB7D"docStyleName="Zootaxa.2013-.journal_article"docStyleVersion="9"docTitle="Micranurida hunanensis Gao, Palacios-Vargas, Arango & Bu, 2024, sp. nov."docType="treatment"docVersion="3"lastPageNumber="118"masterDocId="FFD4FF8CFFDDDD644234FFDAFF88FFCF"masterDocTitle="First records of Micranurida and Philotella (Collembola, Neanuridae, Pseudachorutinae) from China with the description of three new species"masterLastPageNumber="124"masterPageNumber="116"pageNumber="118"updateTime="1734955246301"updateUser="guilherme"zenodo-license-document="CLOSED">
<mods:titleid="7732BE5D672DCC815C53C8DBDC8852A3">First records of Micranurida and Philotella (Collembola, Neanuridae, Pseudachorutinae) from China with the description of three new species</mods:title>
<mods:affiliationid="2A27506F4F416C83E4A55CD0CAE87698">Laboratorio de Ecología y Sistemática de Microartrópodos, Departamento de Biología, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510, México.</mods:affiliation>
<mods:affiliationid="38B14B346A1E96F2FA61BB43510E7288">Laboratorio de Ecología y Sistemática de Microartrópodos, Departamento de Biología, Facultad de Ciencias, Universidad Nacional Autónoma de México, 04510, México.</mods:affiliation>
<taxonomicNameid="4C444D61FFDFDD6642A3FF4DFE4DFF7D"authorityName="Gao & Palacios-Vargas & Arango & Bu"authorityYear="2024"box="[151,453,151,178]"class="Collembola"family="Neanuridae"genus="Micranurida"kingdom="Animalia"order="Poduromorpha"pageId="2"pageNumber="118"phylum="Arthropoda"rank="species"species="hunanensis"status="sp. nov.">
<figureCitationid="137F2A67FFDFDD6642A3FF61FE94FF1A"box="[151,284,187,213]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Figures 1–9</figureCitation>
<collectionCodeid="ED55AE27FFDFDD6641FDFED9FB97FED2"box="[969,1055,259,285]"country="Sudan"httpUri="http://grbio.org/cool/i01k-1cen"name="Sudan Natural History Museum"pageId="2"pageNumber="118">SNHM</collectionCode>
<collectionCodeid="ED55AE27FFDFDD66461FFE25FB0AFDD6"box="[1067,1154,511,537]"country="Sudan"httpUri="http://grbio.org/cool/i01k-1cen"name="Sudan Natural History Museum"pageId="2"pageNumber="118">SNHM</collectionCode>
. Tiny, white species characterized by the presence of 2 + 2 relatively dark ocelli; five spherical antennal sensilla on Ant. IV; PAO with 6 vesicles; dorsal chaetotaxy with p2 present on terga Th. II and Th. III but absent on Abd. I to Abd. V; thickened cylindrical lateral sensilla on Th. II and dorsal ones on Abd. IV; legs with 17–17–16 tibiotarsl setae.
<figureCitationid="137F2A67FFDFDD6646AEFD69FB56FD02"box="[1178,1246,691,717]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 1</figureCitation>
). Body white in ethanol. Tegumental granulation fine and uniform, slightly tuberculated on dorsal side.
Antennae slightly shorter than head, Ant. III–IV fused dorsally. Ant. IV with simple apical vesicle; external ms, subapical or, seta i and five spherical sensilla present (
<figureCitationid="137F2A67FFDFDD6640DDFCC5FCC5FCF6"box="[745,845,799,825]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Figs 2–3</figureCitation>
).Ant. organ Ant. III typical, inner sensilla small, both sgv and sgd curved, sgv extremely long and curved, ventral m’ present. Ant. I–II with 7 and 11 setae, respectively.
Head with 2 + 2 relatively dark ocelli, clearly visible on ocular fields among surrounding secondary granules (
<figureCitationid="137F2A67FFDFDD6642ABFC51FF6CFC6A"box="[159,228,907,933]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 1</figureCitation>
). PAO rounded or slightly elliptic, with 6 vesicles (
<figureCitationid="137F2A67FFDFDD664171FC51FC02FC6A"box="[837,906,907,933]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 1</figureCitation>
); ratio of its longer axis to nearby ocellus as 2.2–2.5:1. Buccal cone not especially long. Maxilla styliform, with two lamellae, with inner one hook-shaped (
<figureCitationid="137F2A67FFDFDD66475BFC75FF20FC22"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 4</figureCitation>
). Mandible delicate, with three apical teeth (
<figureCitationid="137F2A67FFDFDD6640AEFC09FD57FC21"box="[666,735,979,1006]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 5</figureCitation>
). Labrum with 4/3, 4, 2 setae (
<figureCitationid="137F2A67FFDFDD664602FC09FBF2FC22"box="[1078,1146,979,1005]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 6</figureCitation>
). Labium with 11 pairs of setae (
<figureCitationid="137F2A67FFDFDD6642EAFC2DFEABFBDE"box="[222,291,1015,1041]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 7</figureCitation>
). Head ventrally with 2 + 2 postlabial setae (
<figureCitationid="137F2A67FFDFDD66412EFC2DFCD1FBDE"box="[794,857,1015,1041]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig.7</figureCitation>
<figureCitationid="137F2A67FFDFDD664006FBC1FDFBFBFA"box="[562,627,1051,1077]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 1</figureCitation>
). Ordinary setae thin and acuminate, lateral sensilla on Th. II and dorsal ones on Abd. IV clearly thickened; other dorsal sensilla slender, thin and longer than ordinary setae, total number of tergal sensilla as usual: 22/11111; lateral ms present only on Th. II. Head with unpaired seta d0 and 3 setae on ocular field (
<figureCitationid="137F2A67FFDFDD6642EEFB5DFE93FB6E"box="[218,283,1159,1185]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 1</figureCitation>
). Th. I with 2+2 setae. Terga of Th. II and Th. III with setae p2 present and set anteriorly to other setae of p-row. Setae p2 absent from Abd. I to Abd V. Abd. V with 2+2 axial setae (
<figureCitationid="137F2A67FFDFDD6641C8FB71FBB5FB0A"box="[1020,1085,1195,1221]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 1</figureCitation>
Thoracic sterna without setae. Ventral tube with 4+4 setae (
<figureCitationid="137F2A67FFDFDD66415CFB15FC26FB26"box="[872,942,1231,1257]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 8</figureCitation>
). Unpaired axial seta present on sternum of Abd. II and Abd. III (
<figureCitationid="137F2A67FFDFDD6643BDFB29FE45FAC2"box="[393,461,1267,1293]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 8</figureCitation>
). Furcal remnant without distinct cuticular swelling with 1+1 larger setae and few tiny setae (4–6) (
<figureCitationid="137F2A67FFDFDD664316FACDFEEEFAFE"box="[290,358,1303,1329]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 8</figureCitation>
). Anal valves with 13+13 normal setae (
<figureCitationid="137F2A67FFDFDD66411FFACDFCF8FAFE"box="[811,880,1303,1329]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 8</figureCitation>
Legs I–III with 1, 2, 2 setae on subcoxae, 7, 7, 7 setae on coxae, 7, 7, 7 on trochanters, and 11–12, 12, 12 setae on femora. Tibiotarsi with 17–17–16 setae, setae T1 and M absent on all legs, seta B7 also absent on leg III (
<figureCitationid="137F2A67FFDFDD66477EFA85FA06FAB6"box="[1354,1422,1375,1401]"captionStart="FIGURES 1–9"captionStartId="3.[151,264,1874,1898]"captionTargetBox="[159,1423,186,1840]"captionTargetId="figure-22@3.[151,1436,179,1848]"captionTargetPageId="3"captionText="FIGURES 1–9. Micranurida hunanensis sp. nov. 1, dorsal body chaetotaxy; 2, Ant. III and IV, ventral view; 3. Ant. III and IV, dorsal view; 4, Maxilla, two positions; 5, Mandible; 6, labrum chaetotaxy; 7, labium chaetotaxy and postlabial setae; 8, Abd. I–VI of a female, ventral view; 9, tibiotarsus 1."figureDoi="http://doi.org/10.5281/zenodo.14508639"httpUri="https://zenodo.org/record/14508639/files/figure.png"pageId="2"pageNumber="118">Fig. 9</figureCitation>
<taxonomicNameid="4C444D61FFDFDD664375FA11FDDCFA2A"authorityName="Gao & Palacios-Vargas & Arango & Bu"authorityYear="2024"box="[321,596,1483,1509]"class="Collembola"family="Neanuridae"genus="Micranurida"kingdom="Animalia"order="Poduromorpha"pageId="2"pageNumber="118"phylum="Arthropoda"rank="species"species="hunanensis"status="sp. nov.">
in the shape of PAO and antennal sensilla, both having 2+2 ocelli on head and 2+2 setae on Th. I. They can be easily distinguished because the shape of tergal sensilla (lateral sensilla on lateral Th. II and dorsal ones on side Abd. IV distinctly thickened in
<taxonomicNameid="4C444D61FFDFDD6646FBF9CEFAFBF9E2"authorityName="Gao & Palacios-Vargas & Arango & Bu"authorityYear="2024"box="[1231,1395,1555,1582]"class="Collembola"family="Neanuridae"genus="Micranurida"kingdom="Animalia"order="Poduromorpha"pageId="2"pageNumber="118"phylum="Arthropoda"rank="species"species="hunanensis"status="sp. nov.">
), and the chaetotaxy on tibiotarsi (17–17–16 setae in
<taxonomicNameid="4C444D61FFDFDD66465CF9E2FA86F99E"authorityName="Gao & Palacios-Vargas & Arango & Bu"authorityYear="2024"box="[1128,1294,1591,1618]"class="Collembola"family="Neanuridae"genus="Micranurida"kingdom="Animalia"order="Poduromorpha"pageId="2"pageNumber="118"phylum="Arthropoda"rank="species"species="hunanensis"status="sp. nov.">