. Fig. 118. A. tarsalis $, abdomen. 138. A. brevicostalis Wood. 1910. Wood, Ent. Month. Mag. 2, XXI, 243, 246 {PJiora). — 1914. Brues, Bull. Wisc. Nat. Hist. Soc. XII, 113. Male. Frons about as broad as high, quadratic; it is black, very slightly greyish, a little shining, or sometimes more; inner bristle of lower row below the outer, nearer the eye-margin than the middle hne and about in the middle between the outer bristle and the upper supraantennal; supraantennal bristles not small, equal or nearly so; the upper supraantennals more distant than the inner bristles of middle row, the lower m


. Fig. 118. A. tarsalis $, abdomen. 138. A. brevicostalis Wood. 1910. Wood, Ent. Month. Mag. 2, XXI, 243, 246 {PJiora). — 1914. Brues, Bull. Wisc. Nat. Hist. Soc. XII, 113. Male. Frons about as broad as high, quadratic; it is black, very slightly greyish, a little shining, or sometimes more; inner bristle of lower row below the outer, nearer the eye-margin than the middle hne and about in the middle between the outer bristle and the upper supraantennal; supraantennal bristles not small, equal or nearly so; the upper supraantennals more distant than the inner bristles of middle row, the lower more approximate. Antennæ black, of ordinary size, the bristles well developed. Thorax black, a little shining, with blackish pubescence. Mesopleura bare. Abdomen black, dull, sixth segment a little shining; the short hairs a little more visible at the


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