FEMALE—Length 8-10 mm.; entirely black; pubescence yellowish-white above, becoming more whitish below; head much broader than long; eyes parallel; cheeks much broader than eyes, terminating below with a prominent tubercle or angle; distance betwei1ral ocelli about half that between ocelli and eyes, this space subequal to that between ocelli and margin of vertex; punctures fine but deep and distinct, close on upper portion of face and dorsum of thorax, becoming quite sparse on lower portion of face and clypeus, more indistinct on cheeks below, pleura more striate than punctate; dorsal area of propodeum not sharply defined, very finely striate laterally, becoming more rugose medially; wings subhyaline, veins and stigma yellowish; tegulae more coppery; hind basitibial plate pointed apically; abdominal terga minutely and closely punctate, with entire, whitish, apical fasciae, these very narrow and inconspicuous on 1st and 2nd. terga.
MALE—Length 7-9 mm.; black, with mandibles, labrum and apical half clypeus yellow, flagellum testaceous beneath, tegulae yellowish; length of head equal to its breadth; clypeus projecting only slightly below suborbital line; eyes very slightly convergent below; cheeks subequal to eyes in width; lateral ocelli slightly nearer margin of vertex than to eyes; basal segment of flagellum nearly equalling segment 2 in length; punctures deep and distinct but fine and close on head and dorsum of thorax, pleura more rugoso-striate; dorsal area of propodeum rather poorly defined, finely striate laterally, becoming very finely rugose medially; wings subhyaline, veins and stigma more ferruginous; basal portion of legs black, but tibiae ferruginous, with an outer yellowish stripe, tarsi entirely yellow; abdominal terga minutely and rather closely punctate, apical margins reddish-hyaline; apical abdominal fasciae whitish; apical margin of sternum 5 straight, sternum 6 broadly rounded; gonostyli relatively simple, subdivided apically into a rather narrow, rounded, outer lobe and a more broadly rounded, inner lobe which is fringed with hairs.
DISTRIBUTION—Country-wide, from the Atlantic to the Pacific, and from southern Canada to the Gulf of Mexico, throughout the year, including December, January and February in Florida.