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<document ID-DOI="http://doi.org/10.5281/zenodo.4391186" ID-GBIF-Dataset="39c9ce8d-d95d-467e-9590-ab184d952201" ID-GBIF-Taxon="159879549" ID-Zenodo-Dep="4391186" checkinTime="1562074625476" checkinUser="jeremy" docAuthor="DeMarmels, Jurg" docDate="1992" docId="0B24F87CFFBDFFB3FF05B51CCD53286D" docLanguage="en" docName="De Marmels - 1992 - Caballitos del diablo (Odonata) de las Sierras de Tapirapeco y Unturán, en el extremo Sur de Venezuela.pdf.imf" docOrigin="Acta Biologica Venezuelica 14 (1)" docStyle="DocumentStyle{}" docTitle="Acanthagrion apicale Selys 1876" docType="treatment" docVersion="11" lastPageNumber="62" masterDocId="F71D8004FFB8FFB6FFC7B11BC92F2226" masterDocTitle="Dragonflies (Odonata) From The Sierras Of Tapirapeco And Unturan, In The Extreme South Of Venezuela" masterLastPageNumber="78" masterPageNumber="57" pageId="5" pageNumber="62" updateTime="1632324435586" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Dragonflies (Odonata) From The Sierras Of Tapirapeco And Unturan, In The Extreme South Of Venezuela</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>DeMarmels, Jurg</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Acta Biologica Venezuelica</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>1992</mods:date>
<mods:detail type="volume">
<mods:number>14</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>57</mods:start>
<mods:end>78</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.5281/zenodo.3266063</mods:identifier>
<mods:identifier type="GBIF-Dataset">39c9ce8d-d95d-467e-9590-ab184d952201</mods:identifier>
<mods:identifier type="Zenodo-Dep">3266063</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.4391186" ID-GBIF-Taxon="159879549" ID-Zenodo-Dep="4391186" LSID="urn:lsid:plazi:treatment:0B24F87CFFBDFFB3FF05B51CCD53286D" httpUri="http://treatment.plazi.org/id/0B24F87CFFBDFFB3FF05B51CCD53286D" lastPageNumber="62" pageId="5" pageNumber="62">
<subSubSection box="[194,836,1031,1068]" pageId="5" pageNumber="62" type="nomenclature">
<paragraph blockId="5.[191,1153,414,3268]" box="[194,836,1031,1068]" pageId="5" pageNumber="62">
<taxonomicName authority="Selys, 1876" authorityName="Selys" authorityYear="1876" box="[194,836,1031,1068]" class="Insecta" family="Coenagrionidae" genus="Acanthagrion" kingdom="Animalia" order="Odonata" pageId="5" pageNumber="62" phylum="Arthropoda" rank="species" species="apicale">
<emphasis box="[194,595,1031,1068]" italics="true" pageId="5" pageNumber="62">Acanthagrion apicale</emphasis>
Selys, 1876
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection box="[238,641,1084,1121]" pageId="5" pageNumber="62" type="description">
<paragraph blockId="5.[191,1153,414,3268]" box="[238,641,1084,1121]" pageId="5" pageNumber="62">
<figureCitation box="[238,498,1084,1121]" captionStart="Plate IV" captionStartId="16.[200,296,3211,3244]" captionTargetBox="[268,2117,495,3006]" captionTargetPageId="16" captionText="Plate IV: Figures 25-29. Acanthagrion apicale. female ultimate instar exuviae. (25) labium, dorsal view; (26) left antenna; (27) exuviae (left lateral gill lost). dorsal view; (28) tip of abdomen with gonapophyses, ventral view; (29) median gill (at left) and right lateral gill, right lateral view. Figure 30. Acanthngrion chacoense, female mesostigmal laminae and m sepisternal fossae, dorsal view." httpUri="https://zenodo.org/record/3266073/files/figure.png" pageId="5" pageNumber="62">Figures 25-29</figureCitation>
(larva)
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="62" type="materials_examined">
<paragraph blockId="5.[191,1153,414,3268]" pageId="5" pageNumber="62">
Material.
<materialsCitation ID-GBIF-Occurrence="2433522112" collectingDate="1989-02-14" collectingDateMax="1989-03-06" collectingDateMin="1989-02-14" collectionCode="MIZA" collectorName="J. DeMarmels &amp; A. Chacon" country="Venezuela" elevation="160" latitude="2.036111" location="Base Camp and surroundings, on the upper Rio Mavaca, left bank" longitude="-65.113884" pageId="5" pageNumber="62" specimenCount="4" specimenCount-female="1" specimenCount-male="3" stateProvince="Amazonas">
<specimenCount box="[431,476,1146,1177]" pageId="5" pageNumber="62" type="male">3♂</specimenCount>
<specimenCount box="[521,568,1149,1177]" pageId="5" pageNumber="62" type="female">1♀</specimenCount>
(reared, with exuviae), Base Camp.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="62" type="description">
<paragraph blockId="5.[191,1153,414,3268]" pageId="5" pageNumber="62">
Larva. Occipital lobes bulging, but not angled, beset with spines; occipital border deeply excavated. Labium (
<figureCitation box="[504,639,1372,1409]" captionStart="Plate IV" captionStartId="16.[200,296,3211,3244]" captionTargetBox="[268,2117,495,3006]" captionTargetPageId="16" captionText="Plate IV: Figures 25-29. Acanthagrion apicale. female ultimate instar exuviae. (25) labium, dorsal view; (26) left antenna; (27) exuviae (left lateral gill lost). dorsal view; (28) tip of abdomen with gonapophyses, ventral view; (29) median gill (at left) and right lateral gill, right lateral view. Figure 30. Acanthngrion chacoense, female mesostigmal laminae and m sepisternal fossae, dorsal view." httpUri="https://zenodo.org/record/3266073/files/figure.png" pageId="5" pageNumber="62">Fig. 25</figureCitation>
) reaching to beyond first pair of coxae. Antennae seven-jointed (
<figureCitation box="[978,1127,1425,1462]" captionStart="Plate IV" captionStartId="16.[200,296,3211,3244]" captionTargetBox="[268,2117,495,3006]" captionTargetPageId="16" captionText="Plate IV: Figures 25-29. Acanthagrion apicale. female ultimate instar exuviae. (25) labium, dorsal view; (26) left antenna; (27) exuviae (left lateral gill lost). dorsal view; (28) tip of abdomen with gonapophyses, ventral view; (29) median gill (at left) and right lateral gill, right lateral view. Figure 30. Acanthngrion chacoense, female mesostigmal laminae and m sepisternal fossae, dorsal view." httpUri="https://zenodo.org/record/3266073/files/figure.png" pageId="5" pageNumber="62">Fig. 26</figureCitation>
), Hind border of pronotum with lateral angles pro· duced, but not pointed. Wing sheaths reaching to base of segment 5 (
<figureCitation box="[572,711,1584,1621]" captionStart="Plate IV" captionStartId="16.[200,296,3211,3244]" captionTargetBox="[268,2117,495,3006]" captionTargetPageId="16" captionText="Plate IV: Figures 25-29. Acanthagrion apicale. female ultimate instar exuviae. (25) labium, dorsal view; (26) left antenna; (27) exuviae (left lateral gill lost). dorsal view; (28) tip of abdomen with gonapophyses, ventral view; (29) median gill (at left) and right lateral gill, right lateral view. Figure 30. Acanthngrion chacoense, female mesostigmal laminae and m sepisternal fossae, dorsal view." httpUri="https://zenodo.org/record/3266073/files/figure.png" pageId="5" pageNumber="62">Fig. 27</figureCitation>
). Tibiae and tarsi with scattered soft hairs. Adomen dark with a pale longitudinal dorsomedian line; posterior angles of segments 4-8 strongly marked off and beset with spinules; ovipositor slightly surpassing end of segment 10, valves beset with about four lar­ ges spines and a few very smaIl ones, in a single row (
<figureCitation box="[302,444,1953,1990]" captionStart="Plate IV" captionStartId="16.[200,296,3211,3244]" captionTargetBox="[268,2117,495,3006]" captionTargetPageId="16" captionText="Plate IV: Figures 25-29. Acanthagrion apicale. female ultimate instar exuviae. (25) labium, dorsal view; (26) left antenna; (27) exuviae (left lateral gill lost). dorsal view; (28) tip of abdomen with gonapophyses, ventral view; (29) median gill (at left) and right lateral gill, right lateral view. Figure 30. Acanthngrion chacoense, female mesostigmal laminae and m sepisternal fossae, dorsal view." httpUri="https://zenodo.org/record/3266073/files/figure.png" pageId="5" pageNumber="62">Fig. 28</figureCitation>
). Lateral and central caudal gills of same length, sharply pointed (
<figureCitation box="[798,941,2006,2043]" captionStart="Plate IV" captionStartId="16.[200,296,3211,3244]" captionTargetBox="[268,2117,495,3006]" captionTargetPageId="16" captionText="Plate IV: Figures 25-29. Acanthagrion apicale. female ultimate instar exuviae. (25) labium, dorsal view; (26) left antenna; (27) exuviae (left lateral gill lost). dorsal view; (28) tip of abdomen with gonapophyses, ventral view; (29) median gill (at left) and right lateral gill, right lateral view. Figure 30. Acanthngrion chacoense, female mesostigmal laminae and m sepisternal fossae, dorsal view." httpUri="https://zenodo.org/record/3266073/files/figure.png" pageId="5" pageNumber="62">Fig. 29</figureCitation>
).
</paragraph>
<paragraph blockId="5.[191,1153,414,3268]" pageId="5" pageNumber="62">Measurements. Total length (excl. gills) 10.5; caudal gills 7.0; hind femur 2.5.</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="62" type="discussion">
<paragraph blockId="5.[191,1153,414,3268]" pageId="5" pageNumber="62">
Remarks. The larva of
<taxonomicName authorityName="Selys" authorityYear="1876" box="[691,880,2173,2213]" class="Insecta" family="Coenagrionidae" genus="Acanthagrion" kingdom="Animalia" order="Odonata" pageId="5" pageNumber="62" phylum="Arthropoda" rank="species" species="apicale">
<emphasis box="[691,880,2173,2213]" italics="true" pageId="5" pageNumber="62">A. apicale</emphasis>
</taxonomicName>
comes closest to that of
<emphasis box="[404,441,2228,2266]" italics="true" pageId="5" pageNumber="62">A.</emphasis>
luteum Racenis described by Geijs­ kes (1941) sub &quot;
<taxonomicName authority="Calvert" authorityName="Calvert" authorityYear="1909" box="[513,925,2280,2318]" class="Insecta" family="Coenagrionidae" genus="Acanthagrion" kingdom="Animalia" order="Odonata" pageId="5" pageNumber="62" phylum="Arthropoda" rank="species" species="ascendens">
<emphasis box="[513,762,2280,2318]" italics="true" pageId="5" pageNumber="62">A. ascendens</emphasis>
Calvert
</taxonomicName>
&quot;, but speci­ mens were not compared directly. The larva was found in a small stagnant pool in close vicinity of a sandy creek, in the forest. The pool was filled with leaf litter, had a sandy ground and clear wa· ler.. A larva of
<taxonomicName authorityName="DeMarmels" authorityYear="1989" box="[516,1063,2545,2582]" class="Insecta" family="Libellulidae" genus="Fylgia" kingdom="Animalia" order="Odonata" pageId="5" pageNumber="67" phylum="Arthropoda" rank="subSpecies" species="amazonica" subSpecies="lychnitina">
<emphasis box="[516,854,2545,2582]" italics="true" pageId="5" pageNumber="62">Fylgia amazonica</emphasis>
lychnitina
</taxonomicName>
De. Marmels was found in the same pool (see below).
</paragraph>
</subSubSection>
</treatment>
</document>