141 lines
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141 lines
16 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1134.94984" ID-Pensoft-Pub="1313-2970-1134-101" ID-Pensoft-UUID="2CBF6EDE55B3595786492CD8AFA8A571" ID-ZooBank="B94BDEAF2B6247B8BDF7D726D0A694D5" ModsDocID="1313-2970-1134-101" checkinTime="1670504106211" checkinUser="pensoft" docAuthor="Hill, JoVonn G." docDate="2022" docId="01F19EF900635BF89A9E0A0944731E66" docLanguage="en" docName="ZooKeys 1134: 101-127" docOrigin="ZooKeys 1134" docPubDate="2022-12-07" docSource="http://dx.doi.org/10.3897/zookeys.1134.94984" docTitle="Gymnoscirtetes Scudder 1987" docType="treatment" docVersion="1" id="2CBF6EDE55B3595786492CD8AFA8A571" lastPageNumber="101" masterDocId="2CBF6EDE55B3595786492CD8AFA8A571" masterDocTitle="Revision of Gymnoscirtetes (Orthoptera, Acrididae, Melanoplinae): a genus endemic to the grasslands of the southeastern North American Coastal Plain" masterLastPageNumber="127" masterPageNumber="101" pageNumber="101" updateTime="1670504106211" updateUser="pensoft">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Revision of Gymnoscirtetes (Orthoptera, Acrididae, Melanoplinae): a genus endemic to the grasslands of the southeastern North American Coastal Plain</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hill, JoVonn G.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-1892-7117</mods:nameIdentifier>
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<mods:affiliation>Mississippi Entomological Museum, Department of Biochemistry, Molecular Biology, Entomology, and Plant Pathology, Mississippi State University, Mississippi, USA</mods:affiliation>
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<mods:nameIdentifier type="email">jgh4@msstate.edu</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-12-07</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>1134</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>101</mods:start>
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<mods:end>127</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.1134.94984</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1134.94984</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-1134-101</mods:identifier>
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<mods:identifier type="ZooBank">B94BDEAF2B6247B8BDF7D726D0A694D5</mods:identifier>
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<mods:identifier type="Pensoft-UUID">2CBF6EDE55B3595786492CD8AFA8A571</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:01F19EF900635BF89A9E0A0944731E66" httpUri="http://treatment.plazi.org/id/01F19EF900635BF89A9E0A0944731E66" lastPageNumber="101" pageId="0" pageNumber="101">
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<subSubSection pageId="0" pageNumber="101" type="nomenclature">
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<paragraph pageId="0" pageNumber="101">
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<taxonomicName LSID="01F19EF9-0063-5BF8-9A9E-0A0944731E66" authority="Scudder 1987" authorityName="Scudder" authorityYear="1987" class="Insecta" family="Acrididae" genus="Gymnoscirtetes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gymnoscirtetes" order="Orthoptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">Gymnoscirtetes Scudder 1987</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="101" type="reference_group">
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<paragraph pageId="0" pageNumber="101">
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<taxonomicName authorityName="Scudder" authorityYear="1987" class="Insecta" family="Acrididae" genus="Gymnoscirtetes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gymnoscirtetes" order="Orthoptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">Gymnoscirtetes</taxonomicName>
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Scudder, S.H. 1897. Proc. U.S. Nation. Mus. 20 (1124): 14
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="101" type="external morphology">
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<paragraph pageId="0" pageNumber="101">External morphology.</paragraph>
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<paragraph pageId="0" pageNumber="101">
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Species of small size (M: 11.8-17 mm, F: 17.5-22.2 mm). Body somewhat gracile and subcylindrical.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Head</emphasis>
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slightly wider than pronotum; hypognathous with anterior margin of head steeply declivent; triangular dorsally. Fastigium broadening apically, and broadly concave. Eyes somewhat prominent, especially in males, and thinly separated by the narrow end of the fastigium. Antennae filiform, usually with 20-23 flagellomeres in males and 21-25 in females, but often 23-26; longer than the head and pronotum combined.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Thorax</emphasis>
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with prosternal spine thin and subconical. Pronotum cylindrical, anterior margin sub-truncate, often somewhat emarginated, lateral margins parallel throughout, median carina either slightly indicated or obsolete, lateral carinae obsolete. Prozona 3-4
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<normalizedToken originalValue="×">x</normalizedToken>
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as long as the metazona, anterior and median sulci present laterally but indistinct near the margins; prozona smooth and shiny. Metazona mostly smooth, but with occasional reticulations, posterior margin subtruncate. Lateral lobes of the pronotum declivent anteriorly and truncate posteriorly, the ventral posterior margin obtusely angulate. Wings vestigial, minute, scale-like. Metathoracic femur slender. Metathoracic tibia with 8-10 pairs of spines. Tympanal organ greatly reduced, appearing as a small depression or slit.
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<emphasis bold="true" italics="true" pageId="0" pageNumber="101">Terminalia</emphasis>
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with furcula (males) (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus drawings of Gymnoscirtetes A male B female." figureDoi="10.3897/zookeys.1134.94984.figure1" httpUri="https://binary.pensoft.net/fig/779440" pageId="0" pageNumber="101">1</figureCitation>
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) rounded protuberances, projecting either slightly or moderately beyond the end of the segment from which they originate; bases minutely separated. Supra-anal plate (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus drawings of Gymnoscirtetes A male B female." figureDoi="10.3897/zookeys.1134.94984.figure1" httpUri="https://binary.pensoft.net/fig/779440" pageId="0" pageNumber="101">1</figureCitation>
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) triangular, slightly longer than wide, with the median groove anteriorly distinct with elevated sides, and diverging and becoming less distinct posteriorly. Cerci (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus drawings of Gymnoscirtetes A male B female." figureDoi="10.3897/zookeys.1134.94984.figure1" httpUri="https://binary.pensoft.net/fig/779440" pageId="0" pageNumber="101">1</figureCitation>
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) either short, triangular, tapering from base to apex or longer and subfalcate. Subgenital plate of male with a median tubercule (Fig.
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus drawings of Gymnoscirtetes A male B female." figureDoi="10.3897/zookeys.1134.94984.figure1" httpUri="https://binary.pensoft.net/fig/779440" pageId="0" pageNumber="101">1</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="101" type="phallic structures">
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<paragraph pageId="0" pageNumber="101">Phallic structures.</paragraph>
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<paragraph pageId="0" pageNumber="101">
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The dorsal valves are translucent to semi-translucent lobes that are flat, truncate, shortened to elongate depending on the species. The ventral valves are opaque and more strongly sclerotized than the dorsal valves, caudally projecting cylindrical lobes of various shapes depending on the species (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus drawings of Gymnoscirtetes A male B female." figureDoi="10.3897/zookeys.1134.94984.figure1" httpUri="https://binary.pensoft.net/fig/779440" pageId="0" pageNumber="101">1</figureCitation>
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,
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Dorsal and lateral SEM of Gymnoscirtetes male terminalia A G. morsei (dorsal) B G. morsei (lateral) C G. rex (dorsal) D G. rex (lateral) E G. pusillus (dorsal) F G. pusillus (lateral). Note: G. pageae, G. wadeorum, and G. georgiaensis are similar to G. pusillus." figureDoi="10.3897/zookeys.1134.94984.figure3" httpUri="https://binary.pensoft.net/fig/779442" pageId="0" pageNumber="101">3</figureCitation>
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,
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Partial silhouettes of Gymnoscirtetes male terminalia: A subgenital plate in caudal view B cerci in lateral view. Note: G. pageae, G. wadeorum, and G. georgiaensis are similar to G. pusillus. Within species groups there may be overlap in the shape of the cerci, and the shape is highly dependent on angle of view. Those pictured here are drawn from single individuals." figureDoi="10.3897/zookeys.1134.94984.figure4" httpUri="https://binary.pensoft.net/fig/779443" pageId="0" pageNumber="101">4</figureCitation>
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). The aedeagal sheath only covers the base of the valves (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Geographic distribution of Gymnoscirtetes." figureDoi="10.3897/zookeys.1134.94984.figure2" httpUri="https://binary.pensoft.net/fig/779441" pageId="0" pageNumber="101">2</figureCitation>
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). The epiphallus is of the typical melanoploid shape, with lophi, ancorae, and an undivided bridge. But more precisely, the epiphallus of
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<taxonomicName authorityName="Scudder" authorityYear="1987" class="Insecta" family="Acrididiae" genus="Gymnoscirtetes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gymnoscirtetes" order="Orthoptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="101">Gymnoscirtetes</emphasis>
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</taxonomicName>
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has a concave bridge, broadly rounded or arched lophi, convexly curved lateral plates that are sub-rectangular in shape with an angular anterior lobe and a short, rounded caudal tip, and ancora that are triangular, taper to a point, and are decurved ventrally.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="101" type="coloration">
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<paragraph pageId="0" pageNumber="101">Coloration.</paragraph>
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<paragraph pageId="0" pageNumber="101">
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Overall dull greenish brown to yellow, sometimes with bronze highlights. Antenna yellowish basally, remainder ferruginous. Antennal crescent complete. Head, thorax, and abdomen pale yellow, infuscated dorsally, especially along the midline. A lateral, well-defined, piceous, post-ocular stripe extends from the caudal margin of the eye through the thorax and towards the end of the abdomen; lateral area of head and thorax below post-ocular stripe creamy-yellow. Hind femora luteous. Hind tibia, pale dull green, often dulled basally; with black or black tipped spines (Figs
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Habitus drawings of Gymnoscirtetes A male B female." figureDoi="10.3897/zookeys.1134.94984.figure1" httpUri="https://binary.pensoft.net/fig/779440" pageId="0" pageNumber="101">1</figureCitation>
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,
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Partial silhouettes of Gymnoscirtetes male terminalia: A subgenital plate in caudal view B cerci in lateral view. Note: G. pageae, G. wadeorum, and G. georgiaensis are similar to G. pusillus. Within species groups there may be overlap in the shape of the cerci, and the shape is highly dependent on angle of view. Those pictured here are drawn from single individuals." figureDoi="10.3897/zookeys.1134.94984.figure4" httpUri="https://binary.pensoft.net/fig/779443" pageId="0" pageNumber="101">4</figureCitation>
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-
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<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Gymnoscirtetes pageae: A dorsal view of male terminalia B lateral view of male terminalia C dorsal view of phallic complex D lateral view of phallic complex E dorsal view of aedeagus F lateral view of aedeagus G caudal view of the aedeagus H dorsal view of epiphallus I caudal view of epiphallus J habitus." figureDoi="10.3897/zookeys.1134.94984.figure9" httpUri="https://binary.pensoft.net/fig/779448" pageId="0" pageNumber="101">9K</figureCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="101" type="etymology">
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<paragraph pageId="0" pageNumber="101">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="101">
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<emphasis italics="true" pageId="0" pageNumber="101">Gymno</emphasis>
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, Greek, naked (in reference to the seemingly apterous condition);
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<emphasis italics="true" pageId="0" pageNumber="101">skirtetes</emphasis>
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, Greek, leaper.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="101" type="suggested common name">
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<paragraph pageId="0" pageNumber="101">Suggested common name.</paragraph>
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<paragraph pageId="0" pageNumber="101">Naked leapers.</paragraph>
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<paragraph pageId="0" pageNumber="101">
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<emphasis bold="true" pageId="0" pageNumber="101">
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<taxonomicName authorityName="Hebard" authorityYear="1918" class="Insecta" family="Acrididiae" genus="Gymnoscirtetes" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gymnoscirtetes morsei" order="Orthoptera" pageId="0" pageNumber="101" phylum="Arthropoda" rank="species" species="morsei">
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<emphasis italics="true" pageId="0" pageNumber="101">Gymnoscirtetes morsei</emphasis>
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</taxonomicName>
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group
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</emphasis>
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</paragraph>
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<paragraph pageId="0" pageNumber="101">
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<emphasis bold="true" pageId="0" pageNumber="101">Diagnosis.</emphasis>
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Typical of the genus but with male cerci generally falcate, subgenital plate with lateral lobes expanded dorsally, and central tubercle that is longer than wide (Fig.
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Dorsal and lateral SEM of Gymnoscirtetes male terminalia A G. morsei (dorsal) B G. morsei (lateral) C G. rex (dorsal) D G. rex (lateral) E G. pusillus (dorsal) F G. pusillus (lateral). Note: G. pageae, G. wadeorum, and G. georgiaensis are similar to G. pusillus." figureDoi="10.3897/zookeys.1134.94984.figure3" httpUri="https://binary.pensoft.net/fig/779442" pageId="0" pageNumber="101">3A-D</figureCitation>
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). Ventral valves of aedeagus more translucent and not cylindrical in shape (Figs
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Partial silhouettes of Gymnoscirtetes male terminalia: A subgenital plate in caudal view B cerci in lateral view. Note: G. pageae, G. wadeorum, and G. georgiaensis are similar to G. pusillus. Within species groups there may be overlap in the shape of the cerci, and the shape is highly dependent on angle of view. Those pictured here are drawn from single individuals." figureDoi="10.3897/zookeys.1134.94984.figure4" httpUri="https://binary.pensoft.net/fig/779443" pageId="0" pageNumber="101">4A, B</figureCitation>
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,
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Gymnoscirtetes morsei: A dorsal view of male terminalia B lateral view of male terminalia C dorsal view of phallic complex D lateral view of phallic complex E dorsal view of aedeagus F lateral view of aedeagus G caudal view of the aedeagus H dorsal view of epiphallus I caudal view of epiphallus J habitus." figureDoi="10.3897/zookeys.1134.94984.figure6" httpUri="https://binary.pensoft.net/fig/779445" pageId="0" pageNumber="101">6</figureCitation>
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,
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<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Gymnoscirtetes rex: A dorsal view of male terminalia B lateral view of male terminalia C dorsal view of phallic complex D lateral view of phallic complex E dorsal view of aedeagus F lateral view of aedeagus G caudal view of the aedeagus H dorsal view of epiphallus I caudal view of epiphallus J habitus." figureDoi="10.3897/zookeys.1134.94984.figure7" httpUri="https://binary.pensoft.net/fig/779446" pageId="0" pageNumber="101">7C-G</figureCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |