Ecphantina Key, 1993

Storozhenko, Sergey Yu. & Kim, Taewoo, 2016, A new species in the genus Alectorolophus Brunner von Wattenwyl, 1898 from Indonesia with discussion on its position compared to allied genera in subfamily Catantopinae (Orthoptera: Acrididae), Zootaxa 4121 (2), pp. 147-158 : 152-153

Subtribe Ecphantina Key, 1993

Ecphantina Key in Key & Colless, 1993: 100.

Diagnosis. Body stout. Head considerably shorter than pronotum. Face in profile gently reclinate or almost straight. Fastigium of vertex slightly projecting forward. Foveolae absent. Vertex between eyes broader or narrower than an eye. Frontal ridge distinct, deeply sulcate, widened above and between antennal bases and distinctly narrowed below median ocellus. Antennae filiform. Pronotum with high median carina forming 1–4 teeth; lateral carinae absent. Prosternal spine straight, conical, with pointed apex. Mesosternal lobes subsquare; mesosternal interspace relatively broad; metasternal lobes separated. Tegmina and hind wings well developed or short, rarely tegmina lateral scale-like or absent. Hind femora slender; dorso-median carina serrated and terminating in a small tooth; ventral genicular lobes of hind knee with broadly rounded apex. Hind tibiae without outer apical spine. Arolium large, usually reaching apex of claws. Tympanum large, oval. 10th tergite without furculae on posterior margin. Male subgenital plate short. Male cerci conical, almost straight, with pointed apex. Male genitalia: epiphallus bridge-like, undivided; oval sclerite absent; valves of cingulum long and narrow; apical valves of penis very long and distinctly curved up.

Comparison. This subtribe is similar to subtribe Catantopina ( Catantops Schaum, 1853 , Stenocatantops Dirsh, 1953 and related genera) in the majority of the above listed characters. However, it differs from the latter by the shape of frontal ridge, pronotum, metasternal lobes, and some other features (in Catantopina , the frontal ridge almost parallel-side, the median carina of pronotum low, the apical parts of metasternal lobes fused, the male cerci with blunt apex and usually incurved, the epiphallus with distinct oval sclerite, and the apical valves of penis short, stout, or sometimes bulb-like).