282 WILFJAM J. FOX. 



5. Braeliycistis peliolatiis Fox. 



Bnwhycisfis petiolatus Fox, Proc. Calif. Ac. Sc. {2), iv, 8. %, 1893. 

 Mutilla peUolata Dalla Torre, Cat. Hym., viii, 72, 1897. 



Lower California : Calmalli Mines, April. 



6. Bra«*ycislis< iiigritns n. sp. 



% . — Black, clothed with thin, pale bubesceiice, especially on abdomen ; tibiae 

 and tarsi pale brownish, the tarsi palest; antennae 'brown ; head transverse, nar- 

 rowed behind, but not strongly, space between hind ocelli distinctly greater 

 than that between them and eyes; middle segment with large, shallow punc- 

 tures posteriorly; first dorsal segment strongly punctured, much broader at 

 apex than at base, strongly convex apical ly, in length somewhat greater than the 

 second segment, remaining segments with shallow, scattered punctures, those on 

 second ventral largest; wings snbhyaline, nervures testaceous, stigma blackish; 

 marginal cell barely half as long as stigma: third submarginal larger than sec- 

 ond, hut little narrowed above. Length 8-10 mm. 



Washington ; Nevada. Two specimens. 



7. Bracliycistis contiguus n. sp. 



■jj ,_Close to nigritus, but differing by the head being evenly rounded behind, 

 not produced behind eyes; slenderer form ; third submarginal cell higher than 

 long, the second usually petiolate or nearly so; middle segment finely punctured 

 posteriorly. Length 7-8 mm. 



Nevada. Five specimens. 



8. Brachycistis atralus Blake. 



Agama atrntu Blake, Tr. Am. Ent. Soc, vii, 2-53, % , 1879. 

 Photopsis airaia Blake, ibid, xiii, 268, % , 1886. 

 Mutilla agama Dalla Torre, Cat. Hym., viii. 7, 1897. 



Nevada. 



9. Brachycisftis eiegantuliis Ckll. and Casad. 



Brachycistia eleganttdns Cockerell and Casad, Ent. News, v, 295, % , 1894. 

 Mutilla elegantula Dalla Torre, Cat. Hym., viii. 34, 1897. 



New Mexico : Las Graces. 



10. Bracliycistis iutequalis u. sp. 



'J, . — Pale castaueous, sparsely clothed with pale, not whitish pubescence; legs 

 testaceous; antennae darker; head narrowed behind eyes, subtruncate behind; 

 space between hind ocelli distinctly greater than that between them and eyes, 

 the latter black ; first abdominal segment slender basally, but greatly broadened 

 at apex, rather campaaulate, covered with shallow, not strong punctures; wings 

 subhyaline, nervures and stigma testaceous, the latter darkest; marginal cell 

 barely half as long as stigma; third submarginal subquadrate, slightly longer 

 than high, the second triangular, shorter than the third on the cubital nervure. 

 Length 10-11 mm. 



California : Los Angeles, September. Twelve specimens. Type 

 in collection of U. S. National Museum. 



11. Bracliycistis subqnadratus n. sj). 



'^. — Pale castaneous, clothed with sparse, pale i)ubescence; antennae paler; 



