Minigryllacris, Ingrisch, 2018

Ingrisch, Sigfrid, 2018, New taxa and records of Gryllacrididae (Orthoptera, Stenopelmatoidea) from South East Asia and New Guinea with a key to the genera, Zootaxa 4510 (1), pp. 1-278 : 221

publication ID 10.11646/zootaxa.4510.1.1

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gen. nov.

Minigryllacris View in CoL gen. nov.

Type species: Minigryllacris perpusilla sp. nov.

Diagnosis. Minute species (length of females with wings 14–15 mm). Tegmen without free media, instead media fused at base with cubitus anterior that divides in a first step into M+CuA1 and CuA2, in a second step the anterior branch then divides into M and CuA1. Female subgenital plate membranous with a large transverse groove in basal area; ovipositor strongly upcurved in subbasal area then nearly substraight but curved faintly again before tip; tip subacute. Tibiae with 4 pairs of spines but hind tibia without apico-ventral spine. The general habitus, the absence of a distinct color pattern, and the small size of Minigryllacris gen. nov. resembles the condition in Pseudasarca subgen. nov. It differs by the tegminal venation with the media branching from the fused M+CuA base while in Pseudasarca it has a common base with radius. Another significant difference between both genera is the shape of the ovipositor that is strongly upcurved behind base and with acute tip in Minigryllacris while straight and shortened with rounded tip in Pseudasarca . There is also some superficial similarity with the genus Otidiogryllacris . But in the latter genus the ovipositor is curved throughout and has a faint apical widening while in Minigryllacris it is nearly straight behind basal curvature and is without apical widening. Both genera also differ in the tegminal venation.

Etymology. Named for the small size of the species included; from Latin minimus (the smallest).

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