184 lines
24 KiB
XML
184 lines
24 KiB
XML
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<mods:title id="5D9E9C77DBAEACF04D791954EA906E33">Observations on Antennal Morphology in Diptera, with Particular Reference to the Articular Surfaces between Segments 2 and 3 in the Cyclorrhapha</mods:title>
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<mods:namePart id="3B71DA0674CFC542A5346088AEB1A491">McAlpine, David</mods:namePart>
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<mods:title id="34636CDF0163F37A1AE639A3C587E8DE">Records of the Australian Museum</mods:title>
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<mods:part id="CCF31247BC781FBCBCAE533F34E338E4">
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<mods:date id="45C0FF2AAD014F4562766B742F7E968F">2011</mods:date>
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<mods:number id="731AEC8C9515E31018EF9778AEF2816C">2011-11-30</mods:number>
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<mods:number id="D87C940AE74F0ABF6AB252D1BB932FFF">63</mods:number>
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<mods:identifier id="EB4D9614594EEB194A9674E1FF62E432" type="DOI">10.3853/j.0067-1975.63.2011.1585</mods:identifier>
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<treatment id="03C1878DA6309140FBFFF9DD5A139631" LSID="urn:lsid:plazi:treatment:03C1878DA6309140FBFFF9DD5A139631" httpUri="http://treatment.plazi.org/id/03C1878DA6309140FBFFF9DD5A139631" lastPageId="26" lastPageNumber="138" pageId="24" pageNumber="137">
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<subSubSection id="C3726510A6309142FBFFF9DD5C1F94E7" box="[1025,1281,1657,1683]" pageId="24" pageNumber="137" type="nomenclature">
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<paragraph id="8BD7369BA6309142FBFFF9DD5C1F94E7" blockId="24.[1025,1281,1657,1683]" box="[1025,1281,1657,1683]" pageId="24" pageNumber="137">
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<heading id="D09F81F7A6309142FBFFF9DD5C1F94E7" box="[1025,1281,1657,1683]" centered="true" fontSize="11" level="2" pageId="24" pageNumber="137" reason="3">
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<emphasis id="B91CEA89A6309142FBFFF9DD5C1F94E7" bold="true" box="[1025,1281,1657,1683]" pageId="24" pageNumber="137">
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The
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<taxonomicName id="4C684D18A6309142FBC5F9DD5C1F94E7" ID-CoL="8QC" ID-ENA="1262357" authorityName="Brues & Melander" authorityYear="1932" box="[1083,1281,1657,1683]" class="Insecta" family="Cryptochetidae" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="137" phylum="Arthropoda" rank="family">Cryptochetidae</taxonomicName>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C3726510A6309140FCB9F90A5A139631" lastPageId="26" lastPageNumber="139" pageId="24" pageNumber="137" type="materials_examined">
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<paragraph id="8BD7369BA6309142FCB9F90A5AFC954E" blockId="24.[839,1467,1710,1997]" pageId="24" pageNumber="137">
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This Old World family includes the polytypic genus
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<taxonomicName id="4C684D18A6309142FCB9F96F5AC09496" authorityName="Rondani" authorityYear="1875" box="[839,990,1739,1762]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="137" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6309142FCB9F96F5AC09496" box="[839,990,1739,1762]" italics="true" pageId="24" pageNumber="137">Cryptochetum</emphasis>
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</taxonomicName>
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, also doubtfully the Australian
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<taxonomicName id="4C684D18A6309142FAC9F96F5C929496" authorityName="McAlpine" authorityYear="1976" box="[1335,1420,1739,1762]" class="Insecta" family="Cryptochetidae" genus="Librella" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="137" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6309142FAC9F96F5C929496" box="[1335,1420,1739,1762]" italics="true" pageId="24" pageNumber="137">Librella</emphasis>
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</taxonomicName>
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and the fossil
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<taxonomicName id="4C684D18A6309142FC50F94D5D7D9574" authorityName="Hennig" authorityYear="1965" box="[942,1123,1769,1792]" class="Insecta" family="Cryptochetidae" genus="Phanerochaetum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="137" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6309142FC50F94D5D7D9574" box="[942,1123,1769,1792]" italics="true" pageId="24" pageNumber="137">Phanerochaetum</emphasis>
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</taxonomicName>
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. I have examined the antenna of all these genera, but the material has been inadequate for a detailed study.
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</paragraph>
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<paragraph id="8BD7369BA6309143FC9BF8E558779427" blockId="24.[839,1467,1710,1997]" lastBlockId="25.[121,749,1185,2001]" lastPageId="25" lastPageNumber="138" pageId="24" pageNumber="137">
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Antennal structure in
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<taxonomicName id="4C684D18A6309142FBB3F8E55DFA952C" authorityName="Rondani" authorityYear="1875" box="[1101,1252,1857,1880]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="24" pageNumber="137" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6309142FBB3F8E55DFA952C" box="[1101,1252,1857,1880]" italics="true" pageId="24" pageNumber="137">Cryptochetum</emphasis>
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</taxonomicName>
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is distinct from that of any other acalyptrate taxon (
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<figureCitation id="13532A1EA6309142FB65F8FA5C059501" box="[1179,1307,1886,1909]" captionStart-0="Figures 68–69" captionStart-1="Figures 70–72" captionStartId-0="25.[121,193,1097,1118]" captionStartId-1="26.[166,238,834,855]" captionTargetBox-0="[121,1421,151,1084]" captionTargetBox-1="[170,1454,155,821]" captionTargetId-0="figure-259@25.[121,1421,151,1084]" captionTargetId-1="figure-8@26.[166,1466,151,831]" captionTargetPageId-0="25" captionTargetPageId-1="26" captionText-0="Figures 68–69. Antenna of Cryptochetum sp. (fam. Cryptochetidae). (68) Left seg. 2, dorsolateral view, conus broken. (69) Sensilla in sensory pit of seg. 3; scale = 2 µm." captionText-1="Figures 70–72.Antennae of Cryptochetidae.(70) Cryptochetum sp., seg. 3 of left antenna, medial view.(71) Librella sp., left seg.2, lateral view. (72) The same, left seg. 3, medial view. bf, basal foramen; bh, basal hollow; pi, sensory pits; sc, sacculus." figureDoi-0="http://doi.org/10.5281/zenodo.5239492" figureDoi-1="http://doi.org/10.5281/zenodo.5239494" httpUri-0="https://zenodo.org/record/5239492/files/figure.png" httpUri-1="https://zenodo.org/record/5239494/files/figure.png" pageId="24" pageNumber="137">Figs 68–70</figureCitation>
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). Segment 2 is completely encircled by the prominent, sharp-edged rim without an incision, notch or marked sinuosity. The distal articular surface is slightly concave, with large, elongate, erect, central conus. Because the conus is fragile and deeply embedded in segment 3, I am unable at present to describe it in detail, and the precise positions of the button and distal foramen have not been observed. Segment 3 is large, elongate, bilaterally compressed, with minute, unsegmented, subterminal arista or none and with the sacculus opening by a small pore on the ventrolateral surface before mid-length; the lateral and medial surfaces each support a number (9 to 12 or more) of shallow pits. These sensory pits each contain several club-like sensilla with thick, rounded apices (
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<figureCitation id="13532A1EA6319143FD3FFA0D598997AA" captionStart="Figures 68–69" captionStartId="25.[121,193,1097,1118]" captionTargetBox="[121,1421,151,1084]" captionTargetId="figure-259@25.[121,1421,151,1084]" captionTargetPageId="25" captionText="Figures 68–69. Antenna of Cryptochetum sp. (fam. Cryptochetidae). (68) Left seg. 2, dorsolateral view, conus broken. (69) Sensilla in sensory pit of seg. 3; scale = 2 µm." figureDoi="http://doi.org/10.5281/zenodo.5239492" httpUri="https://zenodo.org/record/5239492/files/figure.png" pageId="25" pageNumber="138">Fig. 69</figureCitation>
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), probably to be classed as basiconic sensilla. Though such pits are of uncommon occurrence in acalyptrate schizophorans, similar ones are present on segment 3 of
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<taxonomicName id="4C684D18A6319143FF87F9BB58799442" baseAuthorityName="Hutton" baseAuthorityYear="1901" box="[121,359,1567,1590]" class="Insecta" family="Helcomyzidae" genus="Maorimyia" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="species" species="bipunctata">
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<emphasis id="B91CEA89A6319143FF87F9BB58799442" box="[121,359,1567,1590]" italics="true" pageId="25" pageNumber="138">Maorimyia bipunctata</emphasis>
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</taxonomicName>
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(family
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<taxonomicName id="4C684D18A6319143FE3FF9BB5B419442" box="[449,607,1567,1590]" class="Insecta" family="Helcomyzidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Helcomyzidae</taxonomicName>
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), but they are differently distributed.
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</paragraph>
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<caption id="DF176613A6319143FF87FBED58D9960D" ID-DOI="http://doi.org/10.5281/zenodo.5239492" ID-Zenodo-Dep="5239492" httpUri="https://zenodo.org/record/5239492/files/figure.png" pageId="25" pageNumber="138" startId="25.[121,193,1097,1118]" targetBox="[121,1421,151,1084]" targetPageId="25">
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<paragraph id="8BD7369BA6319143FF87FBED58D9960D" blockId="25.[121,1421,1097,1145]" pageId="25" pageNumber="138">
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Figures 68–69. Antenna of
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<taxonomicName id="4C684D18A6319143FE7CFBED5B33962A" box="[386,557,1097,1118]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="species" species="undetermined">
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<emphasis id="B91CEA89A6319143FE7CFBED5B14962A" box="[386,522,1097,1118]" italics="true" pageId="25" pageNumber="138">Cryptochetum</emphasis>
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sp.
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</taxonomicName>
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(fam.
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<taxonomicName id="4C684D18A6319143FD93FBED5A1A962A" authorityName="Brues & Melander" authorityYear="1932" box="[621,772,1097,1118]" class="Insecta" family="Cryptochetidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Cryptochetidae</taxonomicName>
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).
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<emphasis id="B91CEA89A6319143FCEBFBED5A23962A" box="[789,829,1097,1118]" italics="true" pageId="25" pageNumber="138">(68)</emphasis>
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Left seg. 2, dorsolateral view, conus broken.
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<emphasis id="B91CEA89A6319143FB06FBED5C3E962A" box="[1272,1312,1097,1118]" italics="true" pageId="25" pageNumber="138">(69)</emphasis>
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Sensilla in sensory pit of seg. 3; scale = 2 µm.
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</paragraph>
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</caption>
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<paragraph id="8BD7369BA6319143FF69F9FD5AD8973F" blockId="25.[121,749,1185,2001]" lastBlockId="25.[794,1422,1185,2000]" pageId="25" pageNumber="138">
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In
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<taxonomicName id="4C684D18A6319143FF46F9FE584F9405" authorityName="Rondani" authorityYear="1875" box="[184,337,1626,1649]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6319143FF46F9FE584F9405" box="[184,337,1626,1649]" italics="true" pageId="25" pageNumber="138">Cryptochetum</emphasis>
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</taxonomicName>
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the elongate, centrally based conus, deeply inserted into the basal hollow of segment 3, resembles that of some conopids, some diopsids, and some milichiids (but probably not the more plesiomorphic taxa among the latter). Also, in the lower cyclorrhaphous family
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<taxonomicName id="4C684D18A6319143FD70F96B5BF39492" box="[654,749,1743,1766]" class="Insecta" family="Phoridae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Phoridae</taxonomicName>
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the conus is deeply embedded in the centre of segment 3. The only claim of
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<taxonomicName id="4C684D18A6319143FEB8F8AE58C39555" authorityName="Rondani" authorityYear="1875" box="[326,477,1802,1825]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6319143FEB8F8AE58C39555" box="[326,477,1802,1825]" italics="true" pageId="25" pageNumber="138">Cryptochetum</emphasis>
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</taxonomicName>
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to relationship to any of these families is to the
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<taxonomicName id="4C684D18A6319143FE7DF8835B1D954A" box="[387,515,1831,1854]" class="Insecta" family="Milichiidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Milichiidae</taxonomicName>
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, particularly in view of the interpretation of the venation of the anal region of
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<taxonomicName id="4C684D18A6319143FF87F8C6580E950D" authorityName="Rondani" authorityYear="1875" box="[121,272,1890,1913]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6319143FF87F8C6580E950D" box="[121,272,1890,1913]" italics="true" pageId="25" pageNumber="138">Cryptochetum</emphasis>
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</taxonomicName>
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given by J. McAlpine (1989: 1476–1477). However, my thorough and prolonged investigation of the venation leaves no doubt that J. McAlpine was mistaken (see D.
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<bibRefCitation id="EFF94B6AA6319143FF66F81D585795A4" author="McAlpine, D" box="[152,329,1977,2000]" pageId="25" pageNumber="138" pagination="3 - 17" refId="ref33061" refString="McAlpine, D. K. 2002. Some examples of reduced segmentation of the arista in Diptera-Cyclorrhapha, and some phylogenetic implications. Studia dipterologica 9: 3 - 17." type="journal article" year="2002">McAlpine, 2002</bibRefCitation>
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), and that the venation of
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<taxonomicName id="4C684D18A6319143FDA8F81E5BF395A5" authorityName="Rondani" authorityYear="1875" box="[598,749,1978,2001]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6319143FDA8F81E5BF395A5" box="[598,749,1978,2001]" italics="true" pageId="25" pageNumber="138">Cryptochetum</emphasis>
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</taxonomicName>
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(like that of
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<taxonomicName id="4C684D18A6319143FC6AFB065AF996CD" authorityName="McAlpine" authorityYear="1976" box="[916,999,1186,1209]" class="Insecta" family="Cryptochetidae" genus="Librella" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6319143FC6AFB065AF996CD" box="[916,999,1186,1209]" italics="true" pageId="25" pageNumber="138">Librella</emphasis>
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</taxonomicName>
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) approximates to that of the
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<taxonomicName id="4C684D18A6319143FAF6FB055C9396CC" box="[1288,1421,1185,1208]" pageId="25" pageNumber="142" rank="superFamily" superFamily="Ephydroidea">Ephydroidea</taxonomicName>
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(including
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<taxonomicName id="4C684D18A6319143FC6BFB1B5D3A96A2" box="[917,1060,1215,1238]" class="Insecta" family="Curtonotidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Curtonotidae</taxonomicName>
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and
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<taxonomicName id="4C684D18A6319143FB9FFB1B5C1F96A2" authorityName="Rondani" authorityYear="1856" box="[1121,1281,1215,1238]" class="Insecta" family="Drosophilidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Drosophilidae</taxonomicName>
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), not to that of the
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<taxonomicName id="4C684D18A6319143FC93FB785AEB9687" box="[877,1013,1244,1267]" class="Insecta" family="Milichiidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Milichiidae</taxonomicName>
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and
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<taxonomicName id="4C684D18A6319143FBCAFB785DAC9687" box="[1076,1202,1244,1267]" class="Insecta" family="Canacidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Canacidae</taxonomicName>
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. Undoubtedly this development of the conus has evolved in a number of separate eremoneuran lineages, and is not always a reliable indicator of relationships.
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</paragraph>
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<paragraph id="8BD7369BA6319143FCC6FAF55C9094BC" blockId="25.[794,1422,1185,2000]" pageId="25" pageNumber="138">
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The antennal structure of
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<taxonomicName id="4C684D18A6319143FBB2FAF65DBF971D" authorityName="McAlpine" authorityYear="1976" box="[1100,1185,1362,1385]" class="Insecta" family="Cryptochetidae" genus="Librella" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="genus">
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<emphasis id="B91CEA89A6319143FBB2FAF65DBF971D" box="[1100,1185,1362,1385]" italics="true" pageId="25" pageNumber="138">Librella</emphasis>
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</taxonomicName>
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is very different from that of
|
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<taxonomicName id="4C684D18A6319143FC9EFACB5AEA97F2" authorityName="Rondani" authorityYear="1875" box="[864,1012,1391,1414]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91CEA89A6319143FC9EFACB5AEA97F2" box="[864,1012,1391,1414]" italics="true" pageId="25" pageNumber="138">Cryptochetum</emphasis>
|
||
</taxonomicName>
|
||
. Segment 2 is of a much more primitive form (
|
||
<figureCitation id="13532A1EA6319143FC9EFA285AAD97D7" box="[864,947,1420,1443]" captionStart="Figures 70–72" captionStartId="26.[166,238,834,855]" captionTargetBox="[170,1454,155,821]" captionTargetId="figure-8@26.[166,1466,151,831]" captionTargetPageId="26" captionText="Figures 70–72.Antennae of Cryptochetidae.(70) Cryptochetum sp., seg. 3 of left antenna, medial view.(71) Librella sp., left seg.2, lateral view. (72) The same, left seg. 3, medial view. bf, basal foramen; bh, basal hollow; pi, sensory pits; sc, sacculus." figureDoi="http://doi.org/10.5281/zenodo.5239494" httpUri="https://zenodo.org/record/5239494/files/figure.png" pageId="25" pageNumber="138">Fig. 71</figureCitation>
|
||
). The rim expands on each side forming a broad lateral and a medial lobe, but these lobes are not approximated dorsally to produce the cucullate or cup-like condition as in most
|
||
<taxonomicName id="4C684D18A6319143FC13FA405D6D978F" box="[1005,1139,1508,1531]" pageId="25" pageNumber="142" rank="superFamily" superFamily="Ephydroidea">Ephydroidea</taxonomicName>
|
||
(including
|
||
<taxonomicName id="4C684D18A6319143FB17FA405C9C978F" authorityName="Rondani" authorityYear="1856" box="[1257,1410,1508,1531]" class="Insecta" family="Drosophilidae" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="family">Drosophilidae</taxonomicName>
|
||
), but diverge from their origins on each side of the dorsal notch. The conus is stout, deep, and asymmetrical, slightly displaced on to the medial lobe of the rim, with the foramen facing dorsolaterally. Segment 3 (
|
||
<figureCitation id="13532A1EA6319143FB5FF9FD5DE89404" box="[1185,1270,1625,1648]" captionStart="Figures 70–72" captionStartId="26.[166,238,834,855]" captionTargetBox="[170,1454,155,821]" captionTargetId="figure-8@26.[166,1466,151,831]" captionTargetPageId="26" captionText="Figures 70–72.Antennae of Cryptochetidae.(70) Cryptochetum sp., seg. 3 of left antenna, medial view.(71) Librella sp., left seg.2, lateral view. (72) The same, left seg. 3, medial view. bf, basal foramen; bh, basal hollow; pi, sensory pits; sc, sacculus." figureDoi="http://doi.org/10.5281/zenodo.5239494" httpUri="https://zenodo.org/record/5239494/files/figure.png" pageId="25" pageNumber="138">Fig. 72</figureCitation>
|
||
) is deep and bilaterally compressed, with medium-sized basal hollow and the foramen on a broad prominence near the margin of the hollow. The arista is three-segmented and of normal length.
|
||
</paragraph>
|
||
<paragraph id="8BD7369BA6319140FCC6F96B5A139631" blockId="25.[794,1422,1185,2000]" lastBlockId="26.[166,794,923,1093]" lastPageId="26" lastPageNumber="139" pageId="25" pageNumber="138">
|
||
I have examined the
|
||
<typeStatus id="54D38839A6319143FBDDF96B5D9F9492" box="[1059,1153,1743,1766]" pageId="25" pageNumber="138" type="holotype">holotype</typeStatus>
|
||
(in amber) of
|
||
<taxonomicName id="4C684D18A6319143FAD7F96B5D639577" authority="Hennig (ZMUC)" authorityName="Hennig (ZMUC" authorityYear="1965" class="Insecta" family="Cryptochetidae" genus="Phanerochaetum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="25" pageNumber="138" phylum="Arthropoda" rank="species" species="tuxeni">
|
||
<emphasis id="B91CEA89A6319143FAD7F96B5AA39577" italics="true" pageId="25" pageNumber="138">Phanerochaetum tuxeni</emphasis>
|
||
Hennig (ZMUC)
|
||
</taxonomicName>
|
||
, and the most significant addition I have to add to the original description (
|
||
<bibRefCitation id="EFF94B6AA6319143FAC9F8AD5A4A954A" author="Hennig, W" pageId="25" pageNumber="138" refId="ref32277" refString="Hennig, W. 1965. Die Acalyptratae des Baltischen Bernsteins und ihre Bedeutung fur die Erforschung der phylogenetischen Entwicklung dieser Diptera - Gruppe. Stuttgarter Beitrage zur Naturkunde 145: 215 pp." type="book" year="1965">Hennig, 1965</bibRefCitation>
|
||
) regards the relation of the free anal vein (vein 6, CuA+A1, or cu1b+1a) to the cell cup (or anal cell). Interpretation is difficult because there is partial separation of the wing surface from the amber, but reflected light off the wing surface gives an apparently more accurate representation than in Hennig’s fig. 263, and indicates that the anal cell is more like that of
|
||
<taxonomicName id="4C684D18A6329140FDAEFC385BF691C7" authorityName="Rondani" authorityYear="1875" box="[592,744,924,947]" class="Insecta" family="Cryptochetidae" genus="Cryptochetum" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="139" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91CEA89A6329140FDAEFC385BF691C7" box="[592,744,924,947]" italics="true" pageId="26" pageNumber="139">Cryptochetum</emphasis>
|
||
</taxonomicName>
|
||
and some ephydroid taxa, with anal crossvein strongly inclined distad and the vein delimiting the anal cell posteriorly little sclerotized. There is no trace of the basal crossvein, though
|
||
<bibRefCitation id="EFF94B6AA6329140FF58FBB55820965C" author="Hennig, W" box="[166,318,1041,1064]" pageId="26" pageNumber="139" refId="ref32311" refString="Hennig, W. 1969. Neue Ubersicht uber die aus dem Baltischen Bernstein bekannten Acalyptratae (Diptera: Cyclorrhapha). Stuttgarter Beitrage zur Naturkunde 209: 42 pp." type="book" year="1969">Hennig (1969</bibRefCitation>
|
||
: fig. 43) found this to be distinct in a further specimen of
|
||
<taxonomicName id="4C684D18A6329140FED1FB8A58FA9631" authorityName="Hennig" authorityYear="1965" box="[303,484,1070,1093]" class="Insecta" family="Cryptochetidae" genus="Phanerochaetum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Diptera" pageId="26" pageNumber="139" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B91CEA89A6329140FED1FB8A58FA9631" box="[303,484,1070,1093]" italics="true" pageId="26" pageNumber="139">Phanerochaetum</emphasis>
|
||
</taxonomicName>
|
||
(perhaps a second species).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |