A review of the Acridinae s. str. (Orthoptera: Acridoidea: Acrididae) of eastern Africa with taxonomic changes and description of new taxa Author Popov †, George B. Author Fishpool, Lincoln D. C. Author Rowell, C. Hugh F. text Journal of Orthoptera Research 2019 28 2 37 105 http://dx.doi.org/10.3897/jor.28.29312 journal article http://dx.doi.org/10.3897/jor.28.29312 1937-2426-2-37 Gymnobothrus longicornis ephippinotus Jago, 1966, stat. n. et comb. Gynmobothrus ephippinotus Jago, 1966: 1949-1951, figs 18-25. Material. -GHANA: Northern Region, Masaka, Tamale rd; Bulkwere; Bole; Yeji; Cambogu Upper reg.: Han; Tamu; N. of Nakpanduri, Gambaga scarp; Volta reg: 2ml.W of Kpandu; Ashanti reg: Jema; Keti Krachi. BURKINA FASO: 2 mi. N.E. of Kantchari. NIGERIA: Bida; Oyo; Kanije; Shagunu; Onigbu; Akwanga; Matyoro Lakes, 25 mi. N. Gombe. Description. -General coloration dark blackish and brown markings against lighter background, often with dorso-medial cream stripe. Lateral pronotal lobes lighter ventrally. Tegmina with a series of 5-6 dark spots in medial area. Male abdomen reddish ventrally at maturity. Coloration of hind femora: upper area with 3 dark blackish spots extending as paler broad diffuse markings onto outer area; lower outer area with brownish-black stripe; inner area yellowish to blackish. Hind tibiae bluish-grey with black pigment basally, distally and ventrally. Measurements in Table 8. Discussion. -Similar to nominate subspecies from CAMEROON, differing from it principally in more concave fastigium of vertex and more intensive black pigmentation, particularly of hind femora. Distribution. -Guinea savanna of GHANA, BURKINA FASO, NIGERIA, and probably adjacent countries of western Africa. Adults in II, III, IV, V, VII, XII.