704 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Facial line slightly longer than transfacial line; clypeus not 

 yellowish; abdomen with only a slight greenish tinge.. 



versatus 



24. Pubescence above and veins and stigma yellowish pilosus 



Pubescence above and veins and stigma whitish pruinosus 



25. Dark blue caeruleus 



Greenish zephyrus 



26. Abdomen not stramineous; tibiae black except often at base 



and apex; sides of propodeum and pleaurae not distinctly 

 punctate; facial line not or hardly longer than transfacial 



3ine 27 



Abdomen and tibiae almost entirely stramineous vierecki 



27. Mesonotum coarsely punctate 28 



Mesonotum finely punctate 29 



28. Wings whitish, veins and stigma whitish albipennis 



Wings not whitish; propodeum coarsely reticulated, semi- 

 circular enclosure bordered by a sharp edge cressoni 



29. Mesonotum not shining 30 



Mesonotum shining sparsus 



30. Veins and stigma dark obscurus 



Veins and stigma pale versatus 



H. (Halictus) provancheri Dalla Torre. 



Occurs throughout the State, and has been taken at New 

 Haven, Poquonock, Sachem's Head, Scotland, and Stonington, 

 in May, June, July, August, and October. Visits the flovi^ers of 

 New Jersey tea (Ceanothiis americanus) and goldenrod 

 (Solidago), quince, and strawberry. 



H. (H.) ligatus Say. 



Has been taken in Branford, Milldale, New Haven, Prospect, 

 Sachem's Head, Salisbury, and Scotland, in May, June, July, 

 August, and October. Visits goldenrod jflowers, etc. 



H. (H.) lerouxi LePeletier. PI. x, Fig. 7; Howard, Insect 

 Book, PI. iii, Fig. 6. 



This species has been taken near the coast at Branford, New 

 Haven, Sachem's Head, and Westbrook, in May, June, and July, 

 and at Prospect in August. Visits gooseberry flowers. 



H. (Agapostemon) virescens Fabricius. H. viridulus 

 Authors. 



Occurs all over the State, and has been taken at Branford, 

 New Haven, North Haven, Mt. Carmel, and Prospect, in June, 

 August, and October. 



