Tripetalocerini Bolívar, 1887

Storozhenko, Sergey Yu., 2013, Review of the subfamily Tripetalocerinae Bolívar, 1887 (Orthoptera: Tetrigidae), Zootaxa 3718 (2), pp. 158-170 : 160

Tribe Tripetalocerini Bolívar, 1887

Tripetalocerae Bolívar, 1887: 310. Tripetalocerini : Kirby, 1914: 11.

Type genus: Tripetalocera Westwood, 1834 .

Diagnosis. Head conically produced in profile ( Fig. 3 ). Fastigium of vertex short, not produced beyond anterior margin of eyes ( Figs. 2 , 11 ). Lateral ocelli in frontal view situated just under the anterior margin of fastigium ( Fig. 4 ). Antennae 8-segmented; sixth and seventh segments are triangular in cross-section; only one apical segment is small and narrow ( Figs. 1 , 10 ). Lower side of lateral lobes of pronotum with short triangular spine ( Figs. 19, 20 ). Fore and mid femora not sulcate above, upper carinae with three serrated teeth, lower carinae with two teeth ( Fig. 5 ). Hind femora elongated; upper and lower carinae with teeth ( Fig. 12 ). Upper side of hind tibiae with lateral carinae armed by numerous teeth; outer carina with 15–25 almost equal teeth, inner carina with 19–23 teeth grouped in 5 series ( Fig. 13 ). First segment of hind tarsi 1.1–1.25 times longer than 3rd segment (without claws); third segment is not swollen ( Fig. 13 ). Upper side of upper valve of ovipositor with 4–6 blunt teeth; lower valve tuberculate, without teeth ( Figs. 6 , 14 ).

Composition. Two monotypic genera, one of which is described below.

Figures

FIGURES 1 – 9. Tripetalocera ferruginea. 1, female left antenna, dorsal view; 2, female head and anterior part of pronotum, dorsal view; 3, the same, lateral view; 4, female head, frontal view; 5, female fore femur, lateral view; 6, female apex of abdomen, lateral view; 7, the same, ventral view; 8, male apex of abdomen, lateral view; 9, the same, ventral view.

FIGURES 10 – 17. Tripetaloceroides tonkinensis. 10, female left antenna, dorsal view; 11, female head and anterior part of pronotum, dorsal view; 12, male hind femur, lateral view; 13, female hind tibia and tarsus, lateral view; 14 female apex of abdomen, lateral view; 15, the same, ventral view; 16, male apex of abdomen, lateral view; 17, the same, ventral view.

FIGURES 18 – 21. Tripetalocerini, male body. 18 – 19, Tripetalocera ferruginea, 18, lateral view; 19, dorsal view; 20 – 21, Tripetaloceroides tonkinensis, 20, dorsal view; 21, lateral view.