Ceuthophilus (Geotettix) fusiformis Scudder, 1894
 
Subdistal cephalic spur of caudal tibia, testaceus phase, Gros Ventre Range, WY

Source: Hubbell. 1936. Univ. Florida Pub., Biol. Sci. Ser. 2(1):551 pp., Fig. 331.