Fig. 115. Tegulae. A in Revision of the Nearctic species of the Lasioglossum (Dialictus) gemmatum species complex (Hymenoptera: Halictidae)

Fig. 115. Tegulae. A. Lasioglossum helianthi (Cockerell, 1916), ♂, inner posterior margin concave with distinct posterior projection (outline on left). B. L. perparvum (Ellis, 1914), ♂, inner posterior margin nearly straight without posterior projection (outline on left). Scale bars = 0.5 mm.