Species Trimerotropis undescribed-species-b - Gypsum Grasshopper

about 24-28 mm males

about 30-37 mm females

Small for the genus. Eyes prominent. Antennae noticeably long, especially in males, ringed pale and brown. Coloration variable, but usually white to pale gray or pale brownish with darker brown mottling. Tegmina with irregular and usually broken darker cross bands along with speckling and mottling. Hind tibiae orange to red. Inner hind femur yellow with black on basal half and black band across apical half. Outer hind femur pale with darker diagonal cross bands. Wing yellow with black cross band curved but not reaching anal angle and with spur relatively long; apex clear.

Known from Cibola County to Eddy County in New Mexico; Culberson & Hudspeth Counties in Texas; and in Coahuila and Tamaulipas in Mexico.

rock gypsum exposures, usually with Coldenia as the dominant vegitation

summer

unknown

almost certainly overwinters as egg

Related to the "red-legged" group of Trimerotropis and to Spharagemon campestris. It is a very active little grasshopper, restricted to gypsum habitat, and will fly back to gypsum if chased off. It is often associated with Acrolophitus maculipennis.

Trimerotropis latifasciata