THE CANADUN ENTOMOLOGIST, o35 



The abdominal segments 2 and 3 or 2-4 have a small white spot on 

 each side. 



P. zebraia, Cress. — Scott's Bluffs, Aug. 14, 1901, on Cleome. New 

 to Nebraska. 



Pamirginus Piercei, n. sp. — c^ . Black, head closely and rather 

 coarsely punctured above antennpe, sparsely so below ; scape of antennae 

 black, coarsely punctured in front ; flagellum dark ; clypeus, labrum, base 

 of mandibles, lateral face-marks nearly as high as insertion of antennge 

 and broad above, dog's-ear marks, supra-clypeal area, all tarsi, anterior 

 tibiae in front, spot at apex of femora in front, base and apex of all tibiae, 

 yellow ; pubescence of head and thorax rufo-ochraceous, dense on thorax ; 

 thorax rather coarsely and sparsely punctured ; wings dusky, more so at 

 apex ; nervures and stigma dark ; tegulse testacous ; metathorax 

 roughened, the base irregularly rugose ; base of first abdominal segment 

 impunctate, the disc punctured ; all the other segments densely and 

 strongly punctured, apical margins broadly depressed, shiny and 

 transversely lineolate ; depressed margins at sides and apical segments all 

 over with thin whitish hairs ; margin of clypeus and of process of labrum 

 black ; clypeus with a median impunctate area, in the middle of which is 

 a longitudinal depressed line not quite reaching apex of clypeus. 



Length 8 mm. 



9 . — Similar, form broader, punctuation finer ; yellow confined to 

 spots on four anterior knees ; clypeus without impunctate area and 

 depressed line ; process of labrum trapezoidal, base much wider than 

 apex, slightly emarginate ; wings almost hyaline, nervures testaceous, but 

 stigma dark; first abdominal segment impunctate, lineolation plainer than 

 in the ^ ; narrow apical margins of segments testaceous ; segments not so 

 plainly depressed ; fimbria and scopa whitish. 



Length 8-9 mm. 



A pair from nest, Lincoln, Nebr., Sept. 7, 1903 (W. D. Pierce, coll.); 

 also six other 9 9 (not from nests); a <$ West Point, Nebr., Sept. 12, 

 1903, on Bidens (Crawford, coll.). 



Dedicated to Mr. Pierce, who first found the species, in recognition 

 of his work on the habits and parasites of bees. 



Differs from P. rudbeckice in its larger size, dark tubercles, presence 

 of dog's-ear marks, clypeus $. with depressed median line, instead of " a 

 broad median depression, which is impunctate or nearly so." 



Pamirginus Nebrascensis, n. s^. — ^ c^ . Black shining labrum, base 

 of mandibles, clypeus, lateral face-marks as high as insertion of antennae, 



