Caenomastax

Cadena-Castañeda, Oscar J., Garay, Andrea, Castañeda, Didier, Cardona-Granda, Juan Manuel & García, Alexander García, 2016, Systematics and phylogeny of the genus Caenomastax Hebard, 1923 (Orthoptera: Eumastacidae: Eumastacinae), Zootaxa 4117 (2), pp. 241-264 : 251

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.

Figures

FIGURES 53 – 64. Males of the species of genus Caenomastax (Head and thorax in dorsal view, terminalia in dorsal and side view respectively). 53 – 55. C. insignis. 56 – 58. C. similis n. sp. 59 – 61. C. bimaculata n. sp. 62 – 64. C. magdalenensis n. sp.

FIGURES 77 – 84. Head, pronotum and tegmina of Caenomastax females in side and dorsal view, respectively. 77 – 78. C. insignis. 79 – 80. C. similis n. sp. 81 – 82. C. bimaculata n. sp. 83 – 84. C. magdalenensis n. sp.

FIGURES 85 – 96. Tegmina, ovipositor and subgenital plate of the females in genus Caenomastax. 85 – 87. C. insignis 88 – 90. C. similes n. sp. 91 – 93. C. immaculate n. sp. 94 – 96. C. magdalenensis n. sp.

FIGURES 65 – 76. Phallic complex of the species of Caenomastax. 65 – 67. C. insignis. 68 – 70. C. similis n. sp. 71 – 73. C. bimaculata n. sp. 74 – 76. C. magdalenensis n. sp.