On the exact position of the tribe Incolacridini in the modern classification of grasshoppers (Orthoptera: Acrididae) Author Storozhenko, Sergey Yu. text Zootaxa 2021 2021-05-13 4970 1 106 118 journal article 6427 10.11646/zootaxa.4970.1.3 45d1d4f9-cd28-4759-bba9-4029f04f3f7e 1175-5326 4756017 9BF933DB-E764-42F8-94B6-257B91146E82 Genus Stolzia C. Willemse, 1930 Stolzia C. Willemse, 1930: 104 , 117 ( type species: Stolzia rubromaculata C. Willemse, 1930 , by original designation); C. Willemse, 1956: 116 ; Hollis, 1975: 211 ; Otte, 1995: 338 ; Yin et al ., 1996: 679 ; Li et al., 2006: 55 ; Storozhenko, 2020: 16. Butonacris C. Willemse, 1933:118 ( type species: Butonacris fasciata C. Willemse, 1933 , by original designation); C. Willemse, 1938: 84 ; C. Willemse, 1956: 190 ; synonymized with Stolzia by Hollis (1975) . Description . Head in frontal view oval; frontal ridge broad, disappear below the lower margins of eyes, not reaching clypeus ( Fig. 5 ). Face in lateral view slightly reclinated; frontal ridge weakly excised below lower margin of eyes ( Fig. 2 ). Ventral genicular lobes of the hind femora triangular with distinct apical spine. Male 10th abdominal tergite with or without furculae. Male supra-anal plate triangular, with a median basal impression, lateral margins sometimes with a blunt tooth on each side near the apex. Male cerci surpassing the supra-anal plate, compressed, conical, with pointed apex, with or without teeth on the inner side. Valves of ovipositor short, with apex rounded and strongly dentate. Male genitalia: epiphallus with broad bridge and large ancorae ( Figs. 16–18 ); the shape of other parts of genitalia unknown. Species included . The genus consists of six species distributed over the Greater Sunda Islands ( Java, Sumatra, Sulawesi , and Borneo) .