26 THE CANADIAN ENTOMOLOGIST 



NEW AND LITTLE-KNOWN AMERICAN BEES. 



BY T. D. A. COCKERELL, BOULDER, COLORADO. 



The new species described all belong to parasitic genera. 



Ccelioxys panamensis, n. sp. 



cf. Length about 10 mm.; black, with the legs (except coxae), tegulae, 

 first abdominal segment and second laterally all bright ferruginous, under side 

 of abdomen darker red; mandibles reddish in middle; face and front densely 

 covered with appressed, very pale, yellow hair; eyes pale reddish, with short 

 hair; antennae black, with penultimate joint (except dusky apex) and basal 

 half of last joint dull yellowish red; third joint conspicuously shorter than 

 fourth; vertex densely punctured, but a smooth area at each side of the ocelli; 

 mesothorax densely and coarsely punctured, the anterior m.argin with a bow- 

 shaped band of pale fulvous hair; a band of similar hair posteriorly, partly on 

 mesothorax and partly on scutellum, and a spot at each side behind the tegulae; 

 axillar spines long, flattened, appearing slender from above; scutellum densely 

 and coarsely punctured, with a median carina, but no projecting tooth; meso- 

 pleura with a broad band of white hair in front and behind; wings strongly 

 brownish; first r.n, jointing second s.m. nearly as far from base as second from 

 apex; anterior coxae with short, flattened spines; abdomen dorsally finely 

 punctured, shining; hair-bands slender, tinged with yellowish; apex with slender 

 lateral spines; slender, widely divergent, inferior apical spines; and broad, 

 obtuse superior apical lobes, shorter than the inferior spines. 



Canal Zone, Panama (A. H. Jennings), U. S. National Museum. Not closely 

 related to any species known to m.e; in my table of males it runs near C. sayi 

 and C. hirsutissima. The peculiarly coloured antennae are quite distinctive. 



Coelioxys nigrolimbriata, n. sp. 



9. Length about 9.5 mm.; black, with the tegulae and legs ferruginous; 

 the abdomen is entirely black above, but dark red (with white hair bands) 

 beneath; antennae entirely black; mandibles red, black at apex; face covered 

 with erect brown hair, but the sides with white tomentum; clypeus simple; eyes 

 red, with short hair; mesothorax surrounded with pale fulvous hair; mesothorax 

 and scutellum with very large punctures, but the shining intervals conspicuous 

 on disc; scutellum with a smooth median keel; axillar spines rather short, curved; 

 wings strongly brownish; recurrent nervures equally distant from ends of second 

 s.m.; anterior coxae with short spines; abdomen above. highly polished, sparsely 

 punctured, with very narrow whitish hair-bands; sixth segment with very 

 minute punctures, and a median keel; last ventral segment produced far beyond 

 last dorsal, sharply pointed at end, not notched at sides, but densely fringed 

 with black hair; apex of last dorsal also with black hair, but its sides before 

 apical part fringed with white hair. 



Manaos, Brazil, {Miss II. B. Merrill), U. S. Nat. Museum. In Schrottky's 

 table of Brazilian species this runs to C. amazonica Sky., but is smaller, and 

 apparently less densely punctured on thorax above. Schrottky also omits to 

 refer to the more striking characters of the abdomen, present in our species, 

 and presumably absent in his. In the tables of Holmberg and Friese it runs 

 nearest to C. remissa Holnibg., but differs in the sculpture of the scutellum. 



Fcbruarj'. 1910 



