♀.—Length 9–11 mm.; not as stout as Cockerelli, Dun.; a few gray hairs on face and cheeks and on under side of thorax, hair bands on seg. 2–3–4, seg. 5–6 covered with hair growing rufous towards tip, legs and venter with sparse rather longer hairs; black except a T-shaped mark resting against upper edge of clypeus, spot on tegulæ, tubercles, and four anterior knees which are pale yellow. Head subquadrate, broader than high, venter witlr fairly deep, not close, punctures; clypeal and sub-ciypeal punctures larger and shallow, mandibles piceous; antennæ black at base, growing brownish towards tip, 1st jt. flagellum not as long as 2nd and 3rd combined. Mesothorax deeply and closely punctured; scutellum with large, coarse punctures; post-scutellum not smooth, shining; metathorax with a smooth, shining spot on upper lateral angles, closely and finely punctured, a narrow suture extending upwards. Abdomen finely and closely punctured; venter with large shallow punctures. Wings subhyaline, much darkened outwardly (very much more so than in Cockerelli); stigma and nervures ferruginous, a light spot before the stigma.