﻿BEES OF THE GENUS COLLETES FROM MEXICO 203 



Genitalia (Fig. 78) — Stipes notched; apex long, slender; this and inner 

 margin of central portion with long hairs. Sagittal rods long, slender, bent 

 at center, curving outward ; expanded at base. Wings membranous, not large. 

 Volsella large and prominent. Seventh ventral plate-wings very long and 

 narrow ; with a dense patch of spiny hairs extending nearly full length of each. 

 Remaining portions nude. 



Described from three males. 



Type locality — Guadalajara, Mexico. 



Colletes dclicata n. sp. 



Male — Length 8 mm. Very similar to C. iiiaccoimclli in general appear- 

 ance, but is shiny, has very short malar space, no punctures on abdomen, and 

 has very different genitalia. Head slightly broader than long; eyes con- 



Figure 79. CoUetes delicata. 



verging below. Face covered with long white or yellowish puljcscence, vary- 

 ing with individuals. Clypeus striate punctate with median sulcus, truncate 

 and depressed at end. Mandibles brownish red at ends. Puncturation of 

 head similar to that of C. macconnelli, except that space on sides back of ocelli 

 is practically impunctate. Malar space short, about one-sixth as long as broad. 

 Antennae similar to C. macconnelli, but joint three longer than four, and four 

 much shorter than five. Thorax similar to C. macconnelli, except as follows : 

 Punctures on inesothorax more sparse ; none of the jiits on superior face of 

 metathorax divided ; lateral spaces bounding enclosure of metathorax sparsely 



