Genus Sphaeromias Curtis, 1829
Type species
Sphaeromias albomarginatus Curtis, 1829; by original designation.
Diagnosis
Large, grayish pollinose midges. Legs slender; femora with numerous spines; hind tibia with long dorsal spine-like setae; female tarsomeres 5 with numerous slender batonnets; female claws large, curved, equal, with long, slender, sharp basal inner teeth. Wings with 2 radial cells; female costa long, extending nearly to wing tip. Male gonocoxite and gonostylus elongate; aedeagus with broad, cap-like apex; parameres fused, Y-shaped, distal portion becoming increasingly broader distally, apex rounded, setose (de Meillon & Wirth 1991). Female abdomen without pair of sclerites or setal tufts on sternite VIII; 2 seminal capsules.