<documentid="D531EEB2BC6B227A25A8D7FA77A9FCD9"ID-CLB-Dataset="22132"ID-DOI="10.5852/ejt.2018.441"ID-GBIF-Dataset="2fc3858a-c84a-4b54-9430-df27641a5916"ID-Zenodo-Dep="3827576"ID-ZooBank="22EF1EE7-D663-4795-8FF6-B5C5ABF555DA"IM.materialsCitations_approvedBy="carolina"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="felipe"IM.treatments_approvedBy="carolina"checkinTime="1589477576210"checkinUser="valdenar"docAuthor="Vilarino, Albane, Cavalcante, Bruna Maria Silva, Dumas, Leandro Lourenço & Nessimian, Jorge Luiz"docDate="2018"docId="039D5065FD03FFBFFE1EDE27D48E7BD3"docLanguage="en"docName="ejt-441_vilarino_cavalcante_dumas.pdf.imf"docOrigin="European Journal of Taxonomy 441"docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1"docStyleId="EF2B578F1D15862ADE45B0C07C620911"docStyleName="EJT.2018-.journal_article.type1"docStyleVersion="14"docTitle="Xiphocentron (Antillotrichia) maracanan Vilarino & Cavalcante & Dumas & Nessimian 2018, sp. nov."docType="treatment"docUuid="757CC480-9BF8-4E4F-8661-271FD6FC38C2"docUuidSource="ZooBank"docVersion="8"lastPageNumber="8"masterDocId="FFA4281DFD05FFB8FFF0DD49D75D7F1E"masterDocTitle="Four new species of Xiphocentron Brauer, 1870 (Trichoptera: Xiphocentronidae) from the Atlantic Forest, southeastern Brazil"masterLastPageNumber="16"masterPageNumber="1"pageNumber="7"updateTime="1738155657963"updateUser="carolina"zenodo-license-document="CC-BY-4.0"zenodo-license-figures="CC-BY-4.0"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="9BF16B52CAA012E76410B250F263A088">Four new species of Xiphocentron Brauer, 1870 (Trichoptera: Xiphocentronidae) from the Atlantic Forest, southeastern Brazil</mods:title>
<mods:affiliationid="1F9F1C94B95348B22F484CD72D8B62EE">Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Av. dos Bandeirantes, 3900, CEP 14040 - 901, Ribeirão Preto, SP, Brazil.</mods:affiliation>
<mods:affiliationid="0AF2C1AF85D8C185362FB01FE1D202E1">Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Caixa Postal 68044, Cidade Universitária, 21941 - 971, Rio de Janeiro, RJ, Brazil.</mods:affiliation>
<mods:affiliationid="AD95D80DC0DE733C321BF2C6A027C2ED">Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Caixa Postal 68044, Cidade Universitária, 21941 - 971, Rio de Janeiro, RJ, Brazil.</mods:affiliation>
<mods:affiliationid="9E488D355E9855F17743D7725067C661">Departamento de Zoologia, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Caixa Postal 68044, Cidade Universitária, 21941 - 971, Rio de Janeiro, RJ, Brazil.</mods:affiliation>
<taxonomicNameid="4C349AF0FD03FFBEFE1EDE27D4B97C97"authority="Vilarino & Cavalcante & Dumas & Nessimian, 2018"authorityName="Vilarino & Cavalcante & Dumas & Nessimian"authorityYear="2018"box="[494,996,878,905]"class="Insecta"family="Xiphocentronidae"genus="Xiphocentron"kingdom="Animalia"order="Trichoptera"pageId="6"pageNumber="7"phylum="Arthropoda"rank="species"species="maracanan"status="sp. nov."subGenus="Antillotrichia">
<figureCitationid="130FFDF6FD03FFBEFD17DEFFD4107CCF"box="[743,845,950,977]"captionStart-0="Fig"captionStart-1="Fig"captionStartId-0="7.[189,232,1964,1990]"captionStartId-1="8.[189,232,1548,1574]"captionTargetBox-0="[192,1394,1412,1918]"captionTargetBox-1="[193,1391,270,1506]"captionTargetId-0="figure@7.[189,1398,1409,1924]"captionTargetId-1="figure@8.[189,1398,257,1515]"captionTargetPageId-0="7"captionTargetPageId-1="8"captionText-0="Fig. 4. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ. A. Tibial spurs of the hind leg. B. Right wings, dorsal view. Scale bars = 0.5 mm."captionText-1="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi-0="http://doi.org/10.5281/zenodo.3827584"figureDoi-1="http://doi.org/10.5281/zenodo.3827586"httpUri-0="https://zenodo.org/record/3827584/files/figure.png"httpUri-1="https://zenodo.org/record/3827586/files/figure.png"pageId="6"pageNumber="7">Figs 4–5</figureCitation>
The new species is characterized by a strongly bent inferior appendage (at an angle of about 90° between the base and the apex), with a set of small spines, ranging from the mesal sclerite to near the apex. Moreover, tergum IX has a posterior margin forming a slightly concave central incision with acute sides. The new species has a similar forewing venation as in
<taxonomicNameid="4C349AF0FD03FFBEFCC4D9DBD4BF7BB2"authority="Vilarino & Cavalcante & Dumas & Nessimian, 2018"authorityName="Vilarino & Cavalcante & Dumas & Nessimian"authorityYear="2018"box="[820,994,1170,1196]"class="Insecta"family="Xiphocentronidae"genus="Xiphocentron"kingdom="Animalia"order="Trichoptera"pageId="6"pageNumber="7"phylum="Arthropoda"rank="species"species="cobacabana"status="sp. nov.">
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(n = 2). Overall color (in alcohol) nearly uniformly medium brown. Tibial spur formula 2-4-3. Hind tibia apical spurs not modified (
<figureCitationid="130FFDF6FD03FFBEFC97DAC0D49B78BA"box="[871,966,1929,1956]"captionStart="Fig"captionStartId="7.[189,232,1964,1990]"captionTargetBox="[192,1394,1412,1918]"captionTargetId="figure@7.[189,1398,1409,1924]"captionTargetPageId="7"captionText="Fig. 4. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ. A. Tibial spurs of the hind leg. B. Right wings, dorsal view. Scale bars = 0.5 mm."figureDoi="http://doi.org/10.5281/zenodo.3827584"httpUri="https://zenodo.org/record/3827584/files/figure.png"pageId="6"pageNumber="7">Fig. 4A</figureCitation>
). Forewings covered with uniformly fine brown setae, with opaque region on anterior margin between Sc and R1 veins. Wing venation (
<figureCitationid="130FFDF6FD03FFBEFF36DA98D67878F5"box="[198,293,2001,2027]"captionStart="Fig"captionStartId="7.[189,232,1964,1990]"captionTargetBox="[192,1394,1412,1918]"captionTargetId="figure@7.[189,1398,1409,1924]"captionTargetPageId="7"captionText="Fig. 4. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ. A. Tibial spurs of the hind leg. B. Right wings, dorsal view. Scale bars = 0.5 mm."figureDoi="http://doi.org/10.5281/zenodo.3827584"httpUri="https://zenodo.org/record/3827584/files/figure.png"pageId="6"pageNumber="7">Fig. 4B</figureCitation>
). Forewings: forks II and IV present; Sc reaches costa and then curves meeting R1; fork II sessile starting in discoidal cell; thyridial cell closed; two anal veins present. Hind wings: forks II and V present; Rs with three branches R2+3, R4 and R5; R1 absent. Abdominal sternum V bearing pair of mammiform glandular regions.
<figureCitationid="130FFDF6FD02FFBFFE5DDCDAD6AC7EB0"box="[429,497,403,430]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5</figureCitation>
<figureCitationid="130FFDF6FD02FFBFFDE2DCFFD52E7ECF"box="[530,627,438,465]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5A</figureCitation>
), ventrally broader, dorsal margin straight, anteroventral margin rounded, dorsal region of posterior margin projected posterad, forming a lobe; in dorsal view (
<figureCitationid="130FFDF6FD02FFBFFAFCDC90D23A7EEA"box="[1292,1383,473,500]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5B</figureCitation>
), anterior margin with deep V-shaped central incision, posterior margin mesally projected, with slightly concave central incision forming acute edges. Sternum IX, in lateral view (
<figureCitationid="130FFDF6FD02FFBFFBA6DF69D3E57D25"box="[1110,1208,544,571]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5A</figureCitation>
), dorsal margin rounded, anterior margin with medial apodeme, ventrally with acute indentation, ventral margin rounded, posterior margin truncate; apodeme apically acuminate; in ventral view (
<figureCitationid="130FFDF6FD02FFBFFBFADF2FD3387D9F"box="[1034,1125,614,641]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5C</figureCitation>
), with posterior margin produced, bearing medial V-shaped incision, anterior margin straight, lateral apodemes about half as long as sternum IX, strongly tapered apically. Segment X semi-membranous; in lateral view (
<figureCitationid="130FFDF6FD02FFBFFAFADFE4D2347DD6"box="[1290,1385,685,712]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5A</figureCitation>
), elongated, apicodorsally truncated, apicoventrally produced; in dorsal view (
<figureCitationid="130FFDF6FD02FFBFFBA2DF99D3F27DF5"box="[1106,1199,720,747]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5B</figureCitation>
), wider apically, constricted near mid-length, closed all over its length, medially with sclerotized band, apex split into two lobes; in ventral view (
<figureCitationid="130FFDF6FD02FFBFFE0EDE5FD5047C2F"box="[510,601,790,817]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5C</figureCitation>
), concave apically, ventral region of segment cleft apically.
Preanal appendages elongated, about 1.5 × as long as segment X, setose; in lateral view (
<figureCitationid="130FFDF6FD02FFBFFB44DE11D24D7C6D"box="[1204,1296,856,883]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5A</figureCitation>
), basally directed posterodorsally, then bent posterad near mid-length, enlarged and rounded apically; in dorsal view (
<figureCitationid="130FFDF6FD02FFBFFEF5DED7D6037CA7"box="[261,350,926,953]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5B</figureCitation>
<figureCitationid="130FFDF6FD02FFBFFCBADE88D4F47CC2"box="[842,937,961,988]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5A</figureCitation>
), broad, bent 90° with respect to apical region, posteroventral margin not produced; apical region as long as basal region, slender, in dorsal view (
<figureCitationid="130FFDF6FD02FFBFFF36D941D67E7B3D"box="[198,291,1032,1059]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5B</figureCitation>
), with apex slightly enlarged; inner face with spines ranging from mesal sclerite until apical region; in lateral view (
<figureCitationid="130FFDF6FD02FFBFFE3BD962D5747B58"box="[459,553,1067,1094]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig. 5A</figureCitation>
), spines in a row on ventral margin of apical region; mesal sclerite small, with basal spine (only clearly visible in ventral view).
Phallus tubular, long and slender, in lateral view (
<figureCitationid="130FFDF6FD02FFBFFCFCD9D9D43E7BB4"box="[780,867,1167,1194]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig 5D</figureCitation>
), apex almost as broad as the base; in dorsal view (
<figureCitationid="130FFDF6FD02FFBFFEF5D9FAD6047BD0"box="[261,345,1203,1230]"captionStart="Fig"captionStartId="8.[189,232,1548,1574]"captionTargetBox="[193,1391,270,1506]"captionTargetId="figure@8.[189,1398,257,1515]"captionTargetPageId="8"captionText="Fig. 5. Xiphocentron (Antillotrichia) maracanan sp. nov., holotype, adult, Ƌ, genitalia. A. Left lateral view. B. Dorsal view. C. Ventral view. D. Phallus apex, left lateral view. E. Phallus, apex in dorsal view. Scale bar = 0.1 mm."figureDoi="http://doi.org/10.5281/zenodo.3827586"httpUri="https://zenodo.org/record/3827586/files/figure.png"pageId="7"pageNumber="8">Fig 5E</figureCitation>
), apex not enlarged, semi-membranous, cleft apically.