The Neotropical genera Guadana Rheims, 2010 and Sparianthina Banks, 1929 (Araneae: Sparassidae: Heteropodinae) Author Rheims, Cristina A. text Zootaxa 2021 2021-11-05 5061 3 401 431 journal article 3577 10.11646/zootaxa.5061.3.1 72f4b355-ff3e-4ca2-b6be-b6ef2b406c6c 1175-5326 5649711 14E73644-BF88-4999-887D-827553A372E1 Identification key for all known species of Guadana 1 Males .............................................................................................. 2 - Females........................................................................................... 11 2(1) Embolus gently curved retrolaterally, without basal projection ( Figs 74−76 )....................................... 3 - Embolus strongly curved prolaterally, with basal projection ( Figs 67−73 )......................................... 5 3(2) DTA with ridged margin and no keels ( Figs 62−63 ).......................................................... 4 - DTA with smooth margins and long ventral keel ( Fig. 64 , Rheims 2010a : fig. 29)........................ G. tambopata 4(3) Ridged margin long, with several ridges (more than 10) distributed throughout more than half DTA length ( Fig. 63 , Rheims 2010a : fig. 24); dRTA distally bifid ( Rheims 2010a : fig. 25)............................................. G. quillu - Ridged margin short, with few ridges (4 or 5) distributed along less than ¼ DTA length ( Fig. 62 , Rheims 2010a : fig. 22); dRTA distally trifid (best seen in retrolateral view) ( Rheims 2010a : fig. 23).................................. G. panguana 5(2) Conductor distally widened ( Fig. 32 , Rheims 2010a : fig. 34)................................................... 6 - Conductor with the same width throughout its entire length ( Figs 2 , 18 , 44 )....................................... 7 6(5) dRTA bearing two small, thorn-like projections at tip ( Figs 32 , 41 ); embolus with basal projection membranous at center ( Figs 32 , 41 , 72 ).............................................................................. G. ucayali sp. n. - dRTA bearing single hook-like projection at tip ( Rheims 2010a : fig. 34); embolus with basal projection sclerotized ( Fig. 76 , Rheims 2010a : fig. 34).......................................................................... G. urucu 7(5) Embolus with basal projection single ( Figs 67−69, 71−73 ).................................................... 8 - Embolus with basal projection bifid with one branch blunt, with long prolateral fold and another distally widened, with pointed tip ( Figs 44 , 53 , 70 ).................................................................. G. muirapinima sp. n. 8(7) Embolus tip with sub-distal keel ( Figs 67−68 )............................................................... 9 - Embolus tip with subdistal projection ( Figs 69, 71 ).......................................................... 10 9(8) vRTA and dRTA similar sized in retrolateral view ( Figs 19 , 28 ); embolus with basal projection with jagged margin ( Figs 18 , 27 , 68 ).................................................................................... G. arawak sp. n. - vRTA smaller than dRTA in retrolateral view ( Fig. 2−3 ); embolus with basal projection with smooth margin ( Figs 2 , 11 , 67 )..................................................................................... G. alpahuayo sp. n. 10(8) dRTA slender, hook-shaped and vRTA triangular (in ventral view) ( Rheims 2010a : fig. 20); embolus with basal projection wider than long ( Fig. 71 , Rheims 2010a : fig. 20).......................................................... G. neblina - dRTA wide, medially bent at roughly 90° and vRTA (in retrolateral view) squared (in ventral view) ( Rheims 2010a : figs 13−14); embolus with basal projection longer than wide ( Fig. 69 , Rheims 2010a : fig. 13)......................... G. manauara 11(1) MS without epigynal pockets ( Rheims 2010a : figs 26, 31).................................................... 12 - MS bearing medial or anterior epigynal pockets ( Figs 4 , 15 , 29 , Rheims 2010a: 17 )................................ 13 12(11) Epigynal ledges running posteriorly to half the epigyne length, then curving laterally; MS with median U-shaped flaps ( Rheims 2010a : fig. 31); internal ducts strongly convoluted close to FD ( Rheims 2010a : fig. 32)................... G. tambopata - Epigynal ledges running posteriorly and curving anteriorly close to posterior margin; MS smooth ( Rheims 2010a : fig. 26); internal ducts slightly widened close to FD ( Rheims 2010a : fig. 29)....................................... G. quillu 13(11) MS with paired epigynal pockets ( Figs 4 , 15 , Rheims 2010a : fig. 17)........................................... 14 - MS with single epigynal pocket ( Figs 29 , 46 , Rheims 2010a : fig. 36)........................................... 16 14(13) MS with epigynal pockets connected medially, opening anteriorly ( Fig. 4 ; Rheims 2010a : fig. 17); internal ducts running medially from CO, then posteriorly to SP ( Fig. 5 ; Rheims 2010a : fig. 19)........................................... 15 - MS with epigynal pockets not connected medially, opening posteriorly ( Figs 15 , 24 ); internal ducts running anteriorly from CO then posteriorly to SP ( Figs 16 , 25 )........................................................ G. amendoim sp. n. 15(14) MS roughly rectangular, slightly wider anteriorly; epigynal pockets roughly two times wider than long ( Figs 4 , 13 )............................................................................................ G. alpahuayo sp. n. - MS roughly trapezoid, widest posteriorly; epigynal pockets roughly four times wider than long ( Rheims 2010a : fig. 17)............................................................................................. G. manauara 16(13) MS with epigynal pockets as wide as long or slightly longer than wide ( Figs 29 , 38 ; Rheims 2010a : fig. 36)............ 17 - MS with epigynal pockets much wider than long ( Figs 46 , 55 )................................ G. muirapinima sp. n. 17(16) MS at least three times wider anteriorly with curved epigynal ledges ( Rheims 2010a: 36 ); internal ducts running mediad, then posteriad, then laterad from CO to slightly convoluted SP ( Rheims 2010a : fig. 37)........................... G. urucu - MS one and a half times wider anteriorly without curved epigynal ledges ( Figs 29 , 38 ); internal ducts running sinuously posteriad towards U-shaped SP ( Figs 30 , 39 )........................................................ G. mapia sp. n.