Lasioglossum (Sudila) ( Cameron , 1898 ),

Zhang, Rui, Li, Qiang, Niu, Ze-Qing & Zhu, Chao-Dong, 2011, A newly recorded Subgenus Sudila from China with description of two new species (Hymenoptera: Halictidae: Lasioglossum), Zootaxa 2937, pp. 31-36: 32

publication ID 10.5281/zenodo.203940

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Lasioglossum (Sudila) ( Cameron , 1898 )


Lasioglossum (Sudila) ( Cameron, 1898) 

(Figs. 1–2)

Diagnosis. The diagnosis for the subgenus Sudila follows any other subgenus of Lasioglossum  : pilosity sparse; occiput not carinate; the fore wing with veins 1 r-m, 2 r-m and M-b, all narrower than M-a, Rs-a and Rs-b, lr-m interrupted near the both ends (Fig. 1); the hind wing with hamuli arranged in 2 - 1-2 (Fig. 2); in front of the middle coxa with the mesepisternal tubercle, but degenerating in L. (S.) paralphenum  ; basitibial plate oval, pointed apically, margin distinctly carinate (absent in male), and surface with sparse hairs; the inner spur of the hind tibia distinctly pectinate in both sexes ( Michener, 2007; Sakagami et al., 1996).

FIGURES 1–2. 1, fore wing venation in the area of 2 nd and 3 rd submarginal cells; 2, hamuli arranged. Scale line for figure 1, 0.5 mm; for 2, 0.25 mm.