Images from Singing Insects of North America. 269dfs, Anabrus simplex drawing of ubgenital plate of female, apex uppermost, showing apical hooks (HO)
Anabrus simplex, drawing of subgenital plate of female, apex uppermost, showing apical hooks (HO). Fig. 18 in Gurney, A.B. 1939. Aids to the identification of the mormon and coulee crickets and their allies (Orthoptera; Tettigoniidae; Gryllacrididae). US Dept. Agric. Bureau of Entomol. & Plant Quarantine E-479.19 pp.