AMERICAN HYMENOPTERA. 1G7 



103. zelotypus, Cress. Trans. Am. Ent. Soc. i, p. 299, % . 



Ilab. — West Virginia. A rather large dull black species with a 

 yellow band on tips of the three basal segments of abdomen, the re- 

 maining segments are ferruginous, with a blackish band at base of the 

 fourth, very narrow in one specimen; wings yellow-hyaline. Length 

 % .55 — .70 inch. 



104. creperus, Cress. Trans. Am. Ent. Soc. i, p. 298, % . 



Ilab. — Can., W. Yd. This pretty species has the abdomen fulvous 

 with a narrow black band at base of the segments, the postpetiole is 

 always yellow; in all the specimens the metathorax is yellow above, 

 and the po,«teiior coxa;, femora except extreme base and tips of their 

 tibiae are black; one specimen has the abdomen yellow-fulvous. Length 

 % .55 — .GO inch. 



A specimen from Virginia, and probably a variety of this species, 

 has a narrow dull yellow annulus on flagellum, the posterior femora 

 fulvous, and the tips of second and third abdominal segments yellow ; 

 the postpetiole fulvous and yellow, and the cheeks are bi'oadly yellow. 

 Length % .62 inch, 



105. variegatus, Cress. Proc. Ent. Soc. Phil, iii, p. 153; iv, p. 

 25L, I. 



Hah. — Col., N. Mex., Cal., Van. A rather slender and extremely 

 variable species, black, with the face, scutellum, metathorax more or 

 less and mostX)f the legs yellow; wings clear; abdomen varied with 

 yellow, ferruginous and black, scarcely any two specimens being colored 

 alike. Length % .45 — .60 inch. 



For remarks on the variation of this species see Proc. Eut. Soc. 

 Phil, iv, p. 251. 



106. Grotei, Cress. Proc. Ent. Soc. Phil, iii, p. 154, S . 



ITdh. — Col., 111. A long, rather narrow species, with the abdomen 

 of three colors — black, fulvous and yellow, the base being black, the 

 middle fulvous, shadidg into yellow to the tip of the segment; the 

 apical segments lose the bright yellow color and are fulvous and black; 

 the thorax is more or less varied with fulvous both above and beneath; 

 the face- and scutellum yellow, and the metathorax almost entirely yel- 

 lowish-fulvous; the wings are yellowish hyaline and the legs fulvous 

 and yellow. Three specimens from Illinois are of a duller color than 

 those from Colorado. Length % .55 — .60 inch. 



107. delicatus, Cress. Proc. Ent. Soc. Phil, iv, p. 253, % . 



Hah. — Colorado. A delicate. looking species both in shape and 

 color. It is lemon-yellow, with the vertex, occiput, antennoc, spot 



