Vol. XXvij ENTOMOLOGICAL NEWS. 291 



A new Halictine Bee from the Northern United 



States (Hym.). 



By Marion Dlrbin Elus, Boulder, Colorado. 



There is a rather common Hatictus of the northern and 



eastern Sutes which has generally passed as //. conntxus 



Crcsson. Genuine H. connexus from Texas, received through 



the kindness of Mr. J. C. Crawford, proves to be distinct, so it 



becomes necessary to describe the so<aUed H. conntxus as 



new. 



Halictiw rabconncsna b. s^ 



9. — Length. 6 imn.; hetd and thorax bine green ; abdomen Uadc, 

 with dUdnct metallic green rcflectioot, the broad ooter margin of eadi 

 segment brown, shading to tcstaceoua at the edge. 



Facial quadrangle almoct if not quite ai broad as long, a little nar- 

 rower below than above; vertex dotety punctured; lateral areas of 

 the face lomewhat shiny, the pu n cUir a s a little more crowded along 

 ths inner margin of the eyas tiian about tfie base of the antennae; 

 •opraclypcal area and dypoM nM>re or lest brassy, sharply lincolate, 

 and with fine, scattered punctures; distal half of the clypcus shining 

 black, margined with rathar long, golden ydlow hair; flagellum dark 

 brown, almost black ; chwki not large or p rom inen t 



Thorax with coarse, more or leM ooofloent punctur c a on the sides; 

 mesonotum rather broad, its sarfacc findy bat sharply Uneolate, and 

 with very fine, widdy separated punctures, whidi are clo«er, but still not 

 crowded, along the posterior margin; median groove distinct, parapsi- 

 dal grooves short and somewhat indistinct; scutellum distinctly two- 

 parted, the punctures crowded around its margins and along the me- 

 dian groove; truncation of the mdatborax not entirely surrounded by 

 the low sharp rim. which it wall developed on either side near the 

 base; basal area of the metathorax distinctly concave in the middle, 

 the outer marfon elevated into a short rotmded rim, which truncates 

 the middle third of the strong, shnple but crooked plicae; plicae at the 

 sides long and cootinned well onto the full, rounded. lateral areas, 

 where they seem to conve rg e toward the dorsal end of the rim at the 

 base of the truncatton; tegulae brown. 



Wings hyaline; nervnres and stigma testaceous, width of the second 

 snbmarginal cell not more Uian one and one-third in the third. 



Legs dark brown, tarsi redduh brown, hind spur of the hind tibia 

 with four teeth. 



Abdomen broad and shiny, the disc of the first segment impunctate ; 

 po bcscenca pale ochraceous. rather abundant on the legs, the post- 

 scatdhm, the ventral surface of all, and the dorsal surface of the last 



