328 Trans. Acad. ScL of St. Louis. 



Pa., Del., Md., Va., W. Va., N. C, Ga., La., Tex., Mich.^ 

 111., Dak., Neb., Ks. 



Agapostemon texanus Cress. 



Agapostemon texanus Cresson, Trans. Am. Ent. Soc. IV, 255, 9» 1872. 



Agapostemon texanus Cresson, Synopsis, 293, 9» 1887. 



Agapostemon texanus Robertson, Trans. Am. Ent. Soc. XX, 147, (^, 1898.. 



Agapostemon texanus Dalla Torre, Cat. Hym. X, 97, 1896. 



2. — Golden-green, blue or purplish; mesonotum with a 

 distinct double punctuation. 



$. — Wings hyaline; metathorax rather finely reticulated^ 

 presenting a more or less evident triangular space, which is 

 sometimes bluish or purplish and usually more rugose; front 

 and middle trochanters varying from entirely yellow to entirely 

 black, usually yellow beneath and in front, posterior yellow 

 beneath; femora yellow, or black at base behind, extending 

 more or less towards tips; middle ones, and sometimes the 

 anterior, with a spot at tips, sometimes connected with basal 

 spot; hind femora incrassate, the black at base and apex 

 sometimes connected ; anterior tibiae with a brown spot within, 

 and sometimes exteriorly; middle tibiae with an elongated 

 spot above and beneath, sometimes connected; hind tibiae 

 black at base, with a stripe exteriorly, sometimes wanting, 

 and another within, towards tips, also sometimes reduced or 

 wanting ; abdomen black, showing greenish or bluish on sides 

 and apical margins, five fasciate ; ventral segments 2-4 with 

 yellow bands, the rest usually black, third from last widely 

 emarginate, gibbous on the sides and usually greenish in the 

 depressed interval. Length 10-12 mm. 



59 5, 69 $ specimens; Mass., R. I., N. Y., Pa., Va., Ga., 

 111., Dak., Neb., Colo., Utah, N. Mex., Ariz., Tex., Nev., 

 Van., Or., Wash., Cal. 



This species varies greatly in color and in the extent of the 

 black markings of legs. The thorax above has the pubescence 

 varying from white to nearly fulvous and mixed with black 

 or fuscous. 



Agapostemon splendens Lep. 



Halictus splendens Lepeletier, Hist. Ins. Hym. II, 283, 9» 1841. 

 Agapostemon aeruginosus Smitti, Brit. Mus, Cat. Hym. I, 86, 9» 1853. 

 Halictus splendens Cresson, Synopsis, 292, 1887. 



