<documentid="41D5942CB57B60D1E4C629D519A1ADDD"ID-DOI="10.11646/zootaxa.5519.2.4"ID-ISSN="1175-5326"ID-Zenodo-Dep="13915824"ID-ZooBank="96CED727-1208-41A9-8CC2-B46AFC1E2F45"IM.bibliography_approvedBy="jonas"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="jonas"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="jonas"IM.treatmentCitations_approvedBy="jonas"IM.treatments_approvedBy="jonas"checkinTime="1728585899910"checkinUser="plazi"docAuthor="Santos, Ednaldo Bezerra Dos, Capellari, Renato Soares & Limeira-De-Oliveira, Francisco"docDate="2024"docId="0E322B60FFEFB8488AEBFE60A1144610"docLanguage="en"docName="zootaxa.5519.2.4.pdf"docOrigin="Zootaxa 5519 (2)"docSource="http://dx.doi.org/10.11646/zootaxa.5519.2.4"docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article"docStyleId="647186512141C8FC8976D5BCC54AEB7D"docStyleName="Zootaxa.2013-.journal_article"docStyleVersion="9"docTitle="Mesorhaga parnasete Santos & Capellari & Limeira-De-Oliveira 2024, sp. nov."docType="treatment"docUuid="7E450309-307A-42AD-AECE-2D388CDEE9FA"docUuidSource="ZooBank"docVersion="4"lastPageNumber="254"masterDocId="F20B5318FFE6B8438A7CFF9EA32E4172"masterDocTitle="Four new species of Mesorhaga Schiner (Diptera: Dolichopodidae) from Northeastern Brazil, with an identification key to South American species of the genus"masterLastPageNumber="256"masterPageNumber="243"pageNumber="252"updateTime="1729021438063"updateUser="jonas"zenodo-license-document="CLOSED">
<mods:titleid="8CA9928DB1B01DB72E194E235B2D972D">Four new species of Mesorhaga Schiner (Diptera: Dolichopodidae) from Northeastern Brazil, with an identification key to South American species of the genus</mods:title>
<mods:affiliationid="7BE4D1314192CD544929DDBD7B17202A">Universidade Estadual do Maranhão, Laboratório de Estudos dos Invertebrados, Programa de Pós-graduação em Biodiversidade, Ambiente e Saúde, 65604 - 380, Caxias, Maranhão, Brazil</mods:affiliation>
<mods:affiliationid="F7BBEAB742C0E4163062C71F856898C4">Instituto Federal de Educação, Ciência e Tecnologia de São Paulo (IFSP), Campus Avaré, São Paulo, Brazil</mods:affiliation>
<mods:affiliationid="06A0B44C8632E6B66D6557036FA4C382">Universidade Estadual do Maranhão, Laboratório de Estudos dos Invertebrados, 65604 - 380, Caxias, Maranhão, Brazil</mods:affiliation>
<taxonomicNameid="419BE1F5FFEFB84A8AEBFE60A299436B"authority="Santos & Capellari & Limeira-De-Oliveira, 2024"authorityName="Santos & Capellari & Limeira-De-Oliveira"authorityYear="2024"box="[151,439,510,537]"class="Insecta"family="Dolichopodidae"genus="Mesorhaga"kingdom="Animalia"order="Diptera"pageId="9"pageNumber="252"phylum="Arthropoda"rank="species"species="parnasete"status="sp. nov.">
The specific epithet is derived from the initial letters of the type-locality of the new species (Parque Nacional de Sete Cidades), a National Park from the state of
Specimens predominantly metallic blue-greenish with golden and bronze reflections. Legs almost entirely light yellow, tarsomeres slightly darkened. Wing membrane (
<figureCitationid="1EA086F3FFEFB84A89A4FD6AA71E427C"box="[984,1072,756,782]"captionStart="FIGURES 25–32"captionStartId="10.[151,264,1903,1927]"captionTargetBox="[340,1250,960,1879]"captionTargetId="figure-367@10.[337,1250,957,1880]"captionTargetPageId="10"captionText="FIGURES 25–32. Mesorhaga parnasete sp. nov., Holotype ♂, left lateral view. 25, habitus, left lateral view; 26, head, left lateral view; 27, head, frontal view; 28, wing; 29, thorax, dorsal view; 30, post-abdomen, left lateral view; 31, terminalia left lateral view; 32, terminalia illustration left lateral view."figureDoi="http://doi.org/10.5281/zenodo.13915832"httpUri="https://zenodo.org/record/13915832/files/figure.png"pageId="9"pageNumber="252">Fig. 28</figureCitation>
) mostly hyaline, only slightly infuscate basally; vein
<figureCitationid="1EA086F3FFEFB84A8B46FCA2A2A34224"box="[314,397,828,854]"captionStart="FIGURES 25–32"captionStartId="10.[151,264,1903,1927]"captionTargetBox="[340,1250,960,1879]"captionTargetId="figure-367@10.[337,1250,957,1880]"captionTargetPageId="10"captionText="FIGURES 25–32. Mesorhaga parnasete sp. nov., Holotype ♂, left lateral view. 25, habitus, left lateral view; 26, head, left lateral view; 27, head, frontal view; 28, wing; 29, thorax, dorsal view; 30, post-abdomen, left lateral view; 31, terminalia left lateral view; 32, terminalia illustration left lateral view."figureDoi="http://doi.org/10.5281/zenodo.13915832"httpUri="https://zenodo.org/record/13915832/files/figure.png"pageId="9"pageNumber="252">Fig. 31</figureCitation>
): cerci dark yellow, thin, weakly sclerotized, distal third slightly more sclerotized and distally widened, surstylus with three lobes subequal in length, the dorsal one slightly longer than the other two.
<figureCitationid="1EA086F3FFEFB84A8B69FC6EA2BB4578"box="[277,405,1008,1034]"captionStart="FIGURES 25–32"captionStartId="10.[151,264,1903,1927]"captionTargetBox="[340,1250,960,1879]"captionTargetId="figure-367@10.[337,1250,957,1880]"captionTargetPageId="10"captionText="FIGURES 25–32. Mesorhaga parnasete sp. nov., Holotype ♂, left lateral view. 25, habitus, left lateral view; 26, head, left lateral view; 27, head, frontal view; 28, wing; 29, thorax, dorsal view; 30, post-abdomen, left lateral view; 31, terminalia left lateral view; 32, terminalia illustration left lateral view."figureDoi="http://doi.org/10.5281/zenodo.13915832"httpUri="https://zenodo.org/record/13915832/files/figure.png"pageId="9"pageNumber="252">Figs 26, 27</figureCitation>
). Vertex deeply excavated; ocellar triangle with 1 pair of black diverging ocellar setae, strong and long, similar to notopleural setae; 1 pair of postocellar setae, divergent, weak and short, similar to presutural acrostichal setae; 2 pairs of postverticals setae, in line with row of postoculars setae, inner postverticals as long and strong as anterior ocellar setae, inner postverticals about 2.0X longer and slightly stronger than outer postverticals; 1 pair of strong vertical setae. Postoculars near vertex, short and uniseriate, longer and multiseriate from middle. Antenna light brown to brown, scape, pedicel and postpedicel subequal in length; pedicel glabrous, with brownish-gray pruinosity, with ring of black distal setae, dorsal and ventral setae longer and stronger; postpedicel subtriangular, slightly wider than long; arista brown to dark brown, glabrous, about 3.0X length of scape, pedicel and postpedicel combined. Frons bluish-green, face and clypeus with golden reflections and greyish-white pruinosity, denser on frons, around antenna and face. Face narrowing ventrally. Palpus dark brown to black with strong, black distal seta and some additional smaller ones, brown. Labellum dark yellow to brown with yellow setae.
<figureCitationid="1EA086F3FFEFB84A8B49FAE2A2A044E4"box="[309,398,1404,1430]"captionStart="FIGURES 25–32"captionStartId="10.[151,264,1903,1927]"captionTargetBox="[340,1250,960,1879]"captionTargetId="figure-367@10.[337,1250,957,1880]"captionTargetPageId="10"captionText="FIGURES 25–32. Mesorhaga parnasete sp. nov., Holotype ♂, left lateral view. 25, habitus, left lateral view; 26, head, left lateral view; 27, head, frontal view; 28, wing; 29, thorax, dorsal view; 30, post-abdomen, left lateral view; 31, terminalia left lateral view; 32, terminalia illustration left lateral view."figureDoi="http://doi.org/10.5281/zenodo.13915832"httpUri="https://zenodo.org/record/13915832/files/figure.png"pageId="9"pageNumber="252">Fig. 29</figureCitation>
). Blue-greenish metallic with golden and bronze reflections; setae black. Chaetotaxy: 3 acrostichal setae, 1 presutural seta, 2 postsutural setae as long and strong as dorsal pedicel setae; 1 + 4 strong dorsocentral setae, increasing in length and diameter posteriorly; 1 presutural intra-alar seta, as long and strong as presutural supra-alar (nearly on transverse suture); postpronotal lobe glabrous, except for very short seta, shorter than pronotal seta; 2 supra-alar setae, 1 presutural, as long and strong as presutural intra-alar; 2 strong and long notopleural setae, subequal in length and diameter. Scutellum concolorous with mesonotum, with two pairs of macrosetae, 1st pair (lateral) slightly shorter and weaker than 2nd pair (apical). Pleurae dark blue, with yellowish-gray pruinosity.
<figureCitationid="1EA086F3FFEFB84A8B6CF902A24847C5"box="[272,358,1692,1719]"captionStart="FIGURES 25–32"captionStartId="10.[151,264,1903,1927]"captionTargetBox="[340,1250,960,1879]"captionTargetId="figure-367@10.[337,1250,957,1880]"captionTargetPageId="10"captionText="FIGURES 25–32. Mesorhaga parnasete sp. nov., Holotype ♂, left lateral view. 25, habitus, left lateral view; 26, head, left lateral view; 27, head, frontal view; 28, wing; 29, thorax, dorsal view; 30, post-abdomen, left lateral view; 31, terminalia left lateral view; 32, terminalia illustration left lateral view."figureDoi="http://doi.org/10.5281/zenodo.13915832"httpUri="https://zenodo.org/record/13915832/files/figure.png"pageId="9"pageNumber="252">Fig. 25</figureCitation>
). Yellow, except for base of all coxae, and tarsomeres 2–5 dark yellow to light brown. Femora with elongated setae, pale on ventral surface, slightly shorter and sparse on fore femur, other surfaces with dark brown to black setae, these slightly longer on anterodorsal surface of fore femur and slightly stronger on distal
of mid tibia; fifth tarsomere of fore and mid legs slightly expanded laterally, this dark brown to black only on mid leg. Fore leg: 25; 30; 18/ 10/ 7/ 5/ 5; mid leg: 20; 33; 21/ 10/ 7/ 5/ 3 and hind leg: 27; 34; 13/ 13/ 8/ 4/ 2.
<figureCitationid="1EA086F3FFECB8498B30FF09A28F41C3"box="[332,417,150,177]"captionStart="FIGURES 25–32"captionStartId="10.[151,264,1903,1927]"captionTargetBox="[340,1250,960,1879]"captionTargetId="figure-367@10.[337,1250,957,1880]"captionTargetPageId="10"captionText="FIGURES 25–32. Mesorhaga parnasete sp. nov., Holotype ♂, left lateral view. 25, habitus, left lateral view; 26, head, left lateral view; 27, head, frontal view; 28, wing; 29, thorax, dorsal view; 30, post-abdomen, left lateral view; 31, terminalia left lateral view; 32, terminalia illustration left lateral view."figureDoi="http://doi.org/10.5281/zenodo.13915832"httpUri="https://zenodo.org/record/13915832/files/figure.png"pageId="10"pageNumber="253">Fig. 25</figureCitation>
). Robust, only slightly narrower than thorax, green with bluish reflection, sternites brown. Setae dark brown to black, slightly longer and stronger on distal margins of tergites, distinctly longer and stronger on tergites 1 and 5 (series of 2 to 4 black setae, particularly longer on laterals of tergite 1); tergite 5 with long and strong setae, paler on lateroventral margin.
<figureCitationid="1EA086F3FFECB8498BEDFEB9A2CC4033"box="[401,482,295,321]"captionStart="FIGURES 25–32"captionStartId="10.[151,264,1903,1927]"captionTargetBox="[340,1250,960,1879]"captionTargetId="figure-367@10.[337,1250,957,1880]"captionTargetPageId="10"captionText="FIGURES 25–32. Mesorhaga parnasete sp. nov., Holotype ♂, left lateral view. 25, habitus, left lateral view; 26, head, left lateral view; 27, head, frontal view; 28, wing; 29, thorax, dorsal view; 30, post-abdomen, left lateral view; 31, terminalia left lateral view; 32, terminalia illustration left lateral view."figureDoi="http://doi.org/10.5281/zenodo.13915832"httpUri="https://zenodo.org/record/13915832/files/figure.png"pageId="10"pageNumber="253">Fig. 31</figureCitation>
). Hypopygium brown.Hypandrium thin and elongated, slightly longer than epandrium. Epandrium elongate, subcylindrical, about 3.0X longer than wide, at maximum width with pale setae about
length of epandrial lobe setae; epandrial foramen oval, positioned on medial portion of epandrium; epandrial seta short and weak at base of epandrial lobe; epandrial lobe elongated, about 5.0X longer than wide, at maximum width with 2 setae, 1 long, strong subdistal and 1 short, weak distal, almost inconspicuous; surstylus with three lobes subequal in length: anterior lobe with distinct setae distally, this slightly shorter than median lobe; median lobe robust, narrowed towards apex, slightly longer than anterior lobe; posterior lobe thin and slightly longer than median lobe. Cerci symmetrical, dark yellow, slender, ventrally curved, weakly sclerotized; proximal end semitransparent; subproximal region with bifid appearance in lateral view, semitransparent medially, distal
slightly more sclerotized and distally widened; outer surface with dark setae, subequal in length, as long as subapical seta of epandrial lobe, decreasing in length and diameter toward distal end; distal
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<bibRefCitationid="E20AE787FFEDB8488E08F9EEA63A47F8"author="Bickel, D. J."box="[1140,1300,1648,1674]"pageId="11"pageNumber="254"pagination="47 - 67"refId="ref10660"refString="Bickel, D. J. (2007) The Mesoamerican Mesorhaga (Diptera: Dolichopodidae), with a taxonomic conspectus of the New World fauna. Zootaxa, 1411 (1), 47 - 67. https: // doi. org / 10.11646 / zootaxa. 1411.1.5"type="journal article"year="2007">Bickel (2007)</bibRefCitation>
, but can be differentiated by having all femora entirely yellow (basal ¾ of fore and mid femora dark brown, and hind femur entirely dark brown in