AMERICAN IIYMENOPTERA. 77 



3. Pristiphora relativus, n. sp. 



Black, legs whitish, with black banded femora, tarsi white, wings hyaline. 

 Length, 0.18. Br. wings, 0.38 in. 



9 • Color, shining black. Antennae as in P. tibia/is. Head cori- 

 aceous, without sensible depressions about ocelli; edge of nasus in- 

 curved. Tegulas and legs whitish ; coxae and a wide bund on femora 

 black ; tips of posterior tibiae and their tarsi, except basal joint, fus- 

 cous. Wings hyaline, stigma and costa luteous, the latter pale at base; 

 second submarginal cell contracted at junction with third coll. 



Great Slave Lake, H. B. T. (R. Kennicott, Smiths. Inst.) 



This is not as stout as the preceding species, but resembles it much. 



4. Pristiphora idiota, n. sp. 



Black ; mouth and legs yellow-red ; tips of hinder tibice and their tarsi blackj 

 wings hyaline. Length, 0.20. Br. wings, 0.52 in. 



% . Shining black. Antennae long, compressed toward base; labrum 

 and palpi pale; tegulte reddish; abdomen slender; base of coxae, tips 

 of hinder femora and tibiae and their tarsi black ; tips of wings hya- 

 line, stigma and costa greenish white. 



Illinois. (Coll. Am. Ent. Soc.) 2 % . 



5. Pristiphora identidem, n. sp. 



Black; mouth, teguUe and collar yellow-red; a rufous band on abdomen. 

 Length 0.22. Br. wings 0.52 in. 



9 . Black. AntenntB long and slender, somewhat like those of Cla- 

 dius. Head and thoaax closely punctured, pleura polished ; clypcus not 

 incurved, labrum truncate ; labrum and palpi white, teguUe and collar 

 reddish-white ; a yellow-red band on the second, third and part of 

 fourth segments of tergum, and all of venter, except apex. Legs 

 mostly yellow-red ; about the trochanters and all the tibiiW whitish ; 

 tips of the four anterior tibiae, apex of posterior femora above, apical 

 third of their tibiae and the tarsi black. Wings hyaline ; stigma pi- 

 ceous; costa greenish. 



Illinois. (Coll. Am Ent. Soc.) Maine. (A. S. Packard, Jr.) 3 9 . 

 It is very likely that this is the 9 of P. idiota. 



6. p. grossulariae. 



Frintiphora grossulariae, Walsh, Pract. Ent. 1, 1866, 123, 9 % • 

 Length, 90.17— 21. -£ 17— 18 in. Br. wings, 9 O.-il— 45. ■J, 35— 38 in. 



9 . " Shining black, with fine, rather sparse punctures. Head with 

 the entire mouth, except the anterior edge of the labrum and the tip of 

 the mandibles dull luteous. Labrum transverse and very pilose. Cly- 



