Anapistula equatoriana, Dupérré & Tapia, 2017

Dupérré, Nadine & Tapia, Elicio, 2017, On some minuscule spiders (Araneae: Theridiosomatidae, Symphytognathidae) from the Chocó region of Ecuador with the description of ten new species, Zootaxa 4341 (3), pp. 375-399 : 391

Anapistula equatoriana new species

FIgS 30–33

Type material. MAlE HOlOtypE AND fEMAlE AllOtypE frOM EcUADOr, COtOpAxI PrOvINcE, OTONGA BIOlOgIcAl RESErvE, 04–07.Ix.2014, SIftINg lIttEr, BErlESE, E. TApIA, C. TApIA, N. DUpérré ( QCAZ). PArAtypES: Cotopaxi Province: OTONGA BIOlOgIcAl RESErvE, 24–30.v.2014, 2♂ 12♀, SIftINg lIttEr, BErlESE, E. TApIA, C. TApIA, N. DUpérré ( ZMH).

Additional material examined. ECUADOR: Cotopaxi Province: OTONGA BIOlOgIcAl RESErvE, 08– 21.vi.2014, 1♂ 3♀, sifting mosses, Berlese, E. Tapia, C. Tapia, N. Dupérré (DTC) ; 04–07.ix.2014, 16♂23♀, sifting lIttEr, BErlESE, E. TApIA, C. TApIA, N. DUpérré (AMNH); LAS DAMAS (-00.39506 -78.98100) 1,209M, 08.vI– 12.vII.2014, 3♂4♀, SIftINg lIttEr, BErlESE, E. TApIA, C. TApIA, N. DUpérré (ZMH).

Etymology. THE SpEcIfIc NAME IS A NOUN IN AppOSItION tAkEN frOM tHE typE lOcAlIty, EcUADOr.

Diagnosis. MAlES ArE DIStINgUISHED by tHEIr brOAD, SINUOUS cONDUctOr, frOM Anapistula ayri by tHE AbSENcE Of A MEDIAN tEgUlAr prOjEctION, prESENt IN tHE lAtEr SpEcIES (SEE RHEIMS & BrEScOvIt 2003: fIg. 13); frOM A. bebuia by tHE tWO cOIlS Of tHE SpErM DUctS, ONE IN tHE lAtEr SpEcIES (SEE RHEIMS & BrEScOvIt 2003: fIg. 22); frOM A. secreta by tHE WIDEr DOrSAl ElEMENt Of tHE cONDUctOr (SEE HArvEy 1998; fIg. 1). FEMAlES ArE DIStINgUISHED frOM A. ayri AND A. secreta by tHEIr SHOrt AND tHIck MEDIAN DUct, by tHE AbSENcE Of prOjEctIONS ON tHE SpErMAtHEcAE (SEE RHEIMS AND BrEScOvIt 2003: fIg. 14 AND HEIMEr 1990); frOM A. yungas , bUt tHEIr SMAllEr SpErMAtHEcAE (SEE RUbIO & GONZAlEZ 2010: fIg. 1E).

Description: Male: TOtAl lENgtH: 0.5; cArApAcE lENgtH: 0.2; cArApAcE WIDtH: 0.2, AbDOMEN lENgtH: 0.3; AbDOMEN WIDtH: 0.3; AbDOMEN HEIgHt: 0.3. CEpHAlOtHOrAx: CArApAcE lIgHt yEllOW. ClypEUS HIgH (2x ALE); SlOpINg fOrWArD. CHElIcErAE lIgHt yEllOW; prOMArgIN WItH 2 lArgE tEEtH ( FIg. 30 ), rEtrOMArgIN WItHOUt tEEtH. StErNUM lIgHt yEllOW, trUNcAtED. ENDItES AND lAbIUM lIgHt yEllOW. EyES: FOUr EyES IN tWO DIADS; PLE SEpArAtED by tHrEE tIMES tHEIr DIAMEtEr; LE cONtIgUOUS. AbDOMEN: ROUNDED; WHItISH cOvErED WItH SEtAE. LEgS: LIgHt yEllOW; tOtAl lENgtH: 0.8/0.8/0.6/0.7; lEg fOrMUlA: 1243. PAlp: FEMUr glObUlAr; tIbIA ElONgAtED cylINDrIcAl; pArAcyMbIUM brOADly ADjUNct tO tHE cyMbIUM, cyMbIUM lArgE ( FIgS 31, 32 ). CONDUctOr brOAD AND SINUOUS, tIp pOINtED, DOrSAl ElEMENt WIDE AND trIANgUlAr; EMbOlUS vISIblE tHrOUgH tHE cONDUctOr; SpErM DUct WItH tWO vISIblE cOIlS ( FIg. 31 ).

Female: TOtAl lENgtH: 0.5; cArApAcE lENgtH: 0.3; cArApAcE WIDtH: 0.2, AbDOMEN lENgtH: 0.4; AbDOMEN WIDtH: 0.4; AbDOMEN HEIgHt: 0.4. CArApAcE: AS IN MAlE. EyES AND AbDOMEN: AS IN MAlE. LEgS: tOtAl lENgtH 0.7/0.7/0.6/0.7; lEg fOrMUlA: 1243; pAlp AbSENt. GENItAlIA: EpIgAStrIc grOOvE StrAIgHt, SpErMAtHEcAE vISIblE tHrOUgH INtEgUMENt. INtErNAl gENItAlIA WItH MEDIAN DUct tHIck AND SHOrt; lAtErAl DUct SHOrt cOIlED ApIcAlly; SpErMAtHEcAE rOUNDED ( FIg. 33 ).

Distribution. EcUADOr: KNOWN ONly frOM tHE typE lOcAlIty.

Natural history. All SpEcIMENS WHErE cOllEctED frOM SIftINg lIttEr Or MOSSES ExtrActED WItH BErlESE fUNNEl.

Figures

FIGURES 30 – 33. Anapistula equatoriana n. sp. 30. Chelicerae male, anterior view. 31. Male palp, ventral view. 32. Male palp, dorsal view. 33. Female internal genitalia, ventral view.