Systematics and phylogeny of the genus Caenomastax Hebard, 1923 (Orthoptera: Eumastacidae: Eumastacinae) Author Cadena-Castañeda, Oscar J. Author Garay, Andrea Author Castañeda, Didier Author Cardona-Granda, Juan Manuel Author García, Alexander García text Zootaxa 2016 4117 2 241 264 journal article 38962 10.11646/zootaxa.4117.2.7 ee367422-f5ce-440f-a72f-4ad984ecff19 1175-5326 265207 A4A656D2-2ABC-4D08-8CC2-A2AD6BE79D85 Key to species of the genus Caenomastax 1. Pronotum with pronounced hind margin ( Figs. 53, 56 , 78, 80 ), stout females ( Figs. 77-84 ) and micropterous males........ 2 - Pronotum with truncated hind margin, slender females both sexes brachypterous ( Figs. 59, 62 , 82, 84 ).................. 3 2. Females: posterior projection of pronotal disc getting to half the tegmina length and with rounded tip ( Fig. 80 ). Tegmina 3- lobed ( Fig. 85 ). Medial projection of subgenital plate prominent and longer than lateral projections ( Fig. 87 ). Males: abdominal sternites black and tomentose, lophi of epiphallus curving slightly towards the latero-external margin ( Fig. 67 )..................................................................................................... C. insignis - Females: Hind projection of pronotal disc going slightly over half the tegmina length, obtuse tip ( Fig. 80 ). Tegmina 2-lobed ( Fig. 88 ). Medial projection of subgenital plate located in a deep emargination and as long and lateral projections ( Fig. 90 ). Males: abdominal sternites yellowish and glabrous, lophi of epiphalls curving outwards ( Fig. 68, 70 )........ C. similis n. sp. 3. Tegmina metallic green in color, thorax and abdomen coloration brown. Pronotal disc in the females with a spot to each side of the prozona ( Fig. 82 ). Lateral lobes of epiphallic plate emarginated, slender and curved, anterior margin of epiphallic plate emarginated with medial region of similar width than the epiphallic disc; lateral lobe of epiphallus with anterior margin elongate and the posterior margin slightly projected ( Fig. 71 )...................................... C. bimaculata n. sp. - Tegmina coloration blue, general coloration of thorax and abdomen yellow and blue ( Fig. 62 , 83, 84 ). Lateral lobes of epiphallic plate shoulder blade-shaped; anterior margin of epiphallic plate slightly emarginated. Length of medial region of epiphallic disc wavy, lateral lobe of epiphallus with anterior and posterior margin similar-sized ( Fig. 74, 76 )........................................................................................................ C. magdalenensis n. sp.