A synopsis of Phyllogomphoides Belle, 1970 (Odonata: Gomphidae) of Mexico: taxonomy and distribution Author Torres-Pachón, Mónica Author Novelo-Gutiérrez, Rodolfo Author Ruiz-Sanchez, Eduardo text Zootaxa 2019 2019-07-12 4634 1 1 67 journal article 25567 10.11646/zootaxa.4634.1.1 b4b2b894-205d-4787-bb50-257c53155a65 1175-5326 3335052 A63D2721-9C69-4B38-B325-B24CF7BFD488 Key to adult females of Phyllogomphoides from Mexico 1 Vulvar lamina with a posterodorsal tubercle ( Figs. 119–120, 123–124, 127–128 , 139–140 )........................... 2 1’ Vulvar lamina without a posterodorsal tubercle ( Figs. 121–122, 125–126, 129–138 )................................ 5 2(1) Foliation on S8 poorly to moderately developed ( 0.10–0.43 mm width), foliation on S9 straight ( Figs. 110, 112 , 118 ); S8–9 black dorsally ( Figs. 110, 112 , 118 ); cerci basally dark brown; vulvar lamina variable, its posterodorsal margin more or less straight; three or five pale stripes on pterothorax............................................................. 3 2’ Foliation on S8 well-developed (0.62–1.0 mm width), foliation on S9 strongly convex at middle ( Fig. 108 ); S8–9 with a large, apical, yellow spot on dorsolateral surface ( Fig. 108 ); cerci yellow; vulvar lamina V-shaped ( Fig. 119–120 ), light reddishbrown, its posterodorsal margin strongly concave; five pale stripes on pterothorax.......................... P. albrighti 3(2) Five pale stripes on pterothorax; vulvar lamina V-shaped, reddish-brown, tips separated each other by a distance equal or shorter than basal width of each lobe ( Figs. 127 , 139 )............................................................ 4 3’ Three pale stripes on pterothorax ( Fig. 19 ); vulvar lamina widely U-shaped, black, tips separated each other by a distance shorter than basal width of each lobe ( Figs. 123–124 ).................................................. P. bifasciatus 4(3) Cercus shorter than dorsal length of S9, its basal 0.16 blackish-brown, remaining creamy pale; tip of lobes of vulvar lamina separated each other by a distance shorter than the basal width of each lobe, posterodorsal margin straight with a large ( 0.08 mm length), digitiform, blunt tubercle directed dorsolaterally ( Figs. 127–128 ); posterior margin of lateral ocelli with a twin tubercle................................................................................. P. duodentatus 4’ Cercus longer than dorsal length of S9, its basal 0.50 blackish-brown, remaining creamy pale; tip of lobes of vulvar lamina separated each other by a distance equal to basal width of each lobe, posterodorsal margin with a short (less than 0.08 mm length), wide, rounded tubercle directed dorsolaterally ( Figs. 139–140 ); posterior margin of lateral ocelli with a single tubercle................................................................................................... P. suasus 5(1’) Foliation on S8 moderately to well-developed, maximum width usually more than 0.25 mm , its ventral margin spiny ( Figs. 109, 111, 113 , 114, 116, 117 )................................................................................ 6 5’ Foliation on S8 poorly developed, maximum width less than 0.2 mm , its ventral margin smooth and straight ( Fig. 115 )................................................................................................. P. pacificus 6(5) Foliation on S8 with posterior lobe not surpassing basal margin of S9 ( Figs. 114, 116 )............................... 7 6’ Foliation on S8 with posterior lobe surpassing basal margin of S9 ( Figs. 109, 111, 113 , 117 ).......................... 8 7(6) Three pale stripes on pterothorax; – widely U-shaped, lobes black foliation, trapezoid on S8, tips well-developed truncate, separated, maximum each width other by 0.6a distance 0.7 mm (shorter Fig. 114 than); lobes basal of width vulvar of each lamina lobe ( Figs. 131–132 )................................................................... P . nayaritensis 7’ Five pale stripes on pterothorax; foliation on S8 moderately developed, maximum width 0.25–0.32 mm ( Fig. 116 ); lobes of vulvar lamina widely V-shaped, triangular, reddish-black, tips separated each other by a distance greater than basal width of each lobe ( Figs. 135–136 )...................................................................... P. pugnifer 8(6’) Inferior margin of S8–10 reddish-black to black; vulvar lamina blackish-brown; cerci creamy pale, usually dark brown at extreme base ( Figs. 109, 111, 113 ).......................................................................... 9 8’ Inferior margin of S8–9, and S10 mostly or completely light yellowish-brown; vulvar lamina reddish-brown; cerci yellow ( Fig. 117 )...................................................................................... P. stigmatus 9(8) Foliation on S8 increasing suddenly in width caudally, inferior margin strongly convex ( Figs. 109, 111 )................ 10 9’ Foliation on S8 increasing gradually in width caudally, inferior margin more or less straight ( Fig. 113 ); basal third of cerci dark brown.......................................................................................... P. luisi 10(9) Cerci shorter than dorsal length of S9, dark brown at extreme base; S10 yellowish-red dorsolaterally, ventrally black ( Fig. 109 ); lobes of epiproct black........................................................................ P. apiculatus 10’ Cerci as long or little longer than dorsal length of S9, creamy pale; S10 light yellowish-brown ventrally reddish-black ( Fig. 111 ); lobes of epiproct dark reddish-brown with a large, yellow, apical, oval spot............................ P. danieli