1892.] Entomology. 27 1 



raised lines proceeding from base, but not reaching truncation : wings 



tarsi testaceous; abdomen Mack. -Inning, clothed will, thin pale puhes- 

 cence. Length 5-6 mm. 



Illinois: 22 $ specimens, taken from April 28 to May 12. in wood*, 

 on flowers of Jianiuirnlut *c)>teiitrioit<t!l*. Isophyrum hitermriuiu, <i,,i- 

 ruphijlhim procumbent, 0,<iaorrhtz« loii;/ii<tiihx. Pn/einomum r&j.t.in.-, 

 and Ellisia nyctelcea. 



This species closely resembles 11. confu*u*, but is distinguished by 

 its more slender form, its darker color, its clypeus more produced, its 

 mesothorax more shining, more sparsely punctured, and more thinly 

 pubescent, its metathorax longer, less rugose, more truncate, its abdo- 

 men darker, more thinly pubescent, etc. 



7. Halictus ashmeadii.9— l^xl a,1(} thorax greenish, t c 

 abdomen bronzen, clothed with thin, pale pubescence; face long, the 

 clypeus strongly produced; disc of mesothorax minutely roughened. 

 not shining, densely and finely punctured on the sides: metathorax 

 with a small truncation, the disc finely roughened, more striate later- 

 ally; wings subfuscous, nervures dull testaceous, tegula? testaceous: 

 abdomen rounded, depressed, shining bronzen, clothed with thin pubes- 

 cence ; legs blackish, knees and tarsi testaceous. Length 4-5 mm. 



Florida: 12 9 specimens, taken from Feb. 12 to March 19, on flow- 

 ers of Viola lanceolata, Ceanothus jnicrophyllus, Primus umbellate and 

 Ilysanthes grandifiora. 



This species resembles H. longiceps (No. 11 J. but is distinguished 

 from that species by its larger size, shorter head, more densely punc- 

 tured mesothorax, darker wings and nervures, etc. Ded.cated to the 

 distinguished hymenopterist, Mr. W. H. Ashmead. 



8. Halictus illinoensis. 9— Face broad, rounded. dypeushardU 

 produced; mesothorax shining, minutely roughened, sparsely punc- 

 tured, with thin, pale pubescence ; metathorax no! strong 



the disc shining, with several longitudinal raised hues ; in the middle 

 is a raised line not reaching the truncation; from the tipot this there 

 is a raised line which runs out on either side and forms a superior lat- 

 eral angle of the truncation, thence it runs forward, joining two or 

 three lines on the extreme side of the disc; wings hyaline, nervures 

 and tegul* pale testaceous ; legs more or less testaceous, especially the 

 knees and tarsi: abdomen shining, brownish, apical margins ot seg- 

 ments clothed with thin, pale pubescence. 



