Genus Laphyragogus Kohl, 1889

Laphyragogus Kohl, 1889: 190 . Type species: Laphyragogus pictus Kohl, by monotypy.

Leianthrena Bingham in Kohl 1897: 381. Type species: Leianthrena kohlii Bingham, 1897, by original designation. Synonymized with Laphyragogus Kohl, 1889 by Gussakovskij 1952: 227.

Lianthrena Bingham, 1897: 212. Type species: Lianthrena kohlii Bingham, by original designation [= Leianthrena kohlii Bingham in Kohl 1897]. Objective synonym of Leianthrena Bingham in Kohl 1897.

Diagnosis. Distance between antennal socket and clypeus near 0.4× diameter of antennal socket (Figs 24–25); occipital carina dorsally trapeziform (Fig. 26); mouthparts large, prementum longer than stipes, stipes widening laterally, not parallel sided (Fig. 33); foreleg pulvillus in female lacking; T6 (in females) (Fig. 27) and T7 (in males) simple, without basal triangular platform; mid and hind tibia and tarsi with sparse long spines (Fig. 29); setation on face, clypeus, and lateral parts of mesonotum usually sparse. Male: F2–F3 with swellings or excisions (Fig. 30), antenna slightly clavate; S6 without lateral spine; S 7 in most species deeply triangularly incised; S6–S8 with dense long setae (Fig. 28); genitalia normal, symmetrical, paramera and penial valves elongate (Fig. 31).