Mayfly Species Ephoron album (White Flies)

Vertex of head yellowish brown with purplish markings; mesonotum light yellowish brown; veins of costal margin of fore wing purplish grey, all others pale. Face pale yellowish; second basal joint of antenna dusky at apex, filament whitish. Eyes black. Vertex of head yellowish brown, marked and sometimes almost obscured by purplish shading; darkest between ocelli, which are heavily dark-ringed at base. Pronotum yellowish; pleura with purplish grey streaks above leg base. Mesonotum yellow, tinged with yellowish brown on each side of median area; scutellum pale yellowish. Metanotum yellowish brown. Pleura and sternum pale yellowish, the former often tinged with yellowish brown. Fore femur and tibia purplish; femur marked with yellowish white along ventral edge; ventral edge of tibia whitish at extreme base; tarsus smoky grey at base, becoming silvery white apically. Middle and hind legs pale yellowish white. Wings rather semi-hyaline, with faint purplish tinge along the costal border. Longitudinal and cross veins of costal margin purplish grey, cross veins somewhat darker than longitudinals; as far back as the anterior branch of media, the cross veins are faintly greyish; all other veins of both wings colorless. Abdomen pale yellowish white, basal and middle segments often semi-hyaline; apical tergites yellowish. Genitalia pale (see fig. 78). Tails pale smoky at base, becoming whitish apically; joinings opaque whitish.