AMERICAN HYMENOPTERA. 255 



100. Mutilla simillima, Smith, Catal. Brit. Mus. Hym. Ill, p. 62. No. 308. 

 Female. — FeriMi^iiU'Us ; closely covered with strong elongate punctures, flagel- 



luui and tips of mandibles black, thorax narrowed posteriorly: a])ical margins 

 of abdominal segments fuscous, the four apical margins fringed with cinereous 

 pubescence; eyes round. Length 3 — 5 lines. 

 lIa/>. — Atlantic States. 



101. Mutilla brazoria, n. sp. • 



Female. — Head subquadrate, posterior angles rounded, closely reticulated, 

 face and cheeks black, vertex dark chestnut-brown, thinly clothed with short, 

 erect black hairs; antennse blackish-brown ; eyes round, prominent. Thorax 

 quadrate, coarsely reticulated, slightly constricted at middle, the disc dark fer- 

 ruginous, with scattered, erect, black hairs, metathorax abruptly truncate. 

 Legs black, clothed with scattered pale hairs, intermediate and posterior tibiae 

 armed with a row of spines. Abdomen ovate, basal segment reticulated, 

 clothed with black, its apical margin fringed with bright ferruginous pubes- 

 cence, second segment very finely punctured, ferruginous, densely clothed with 

 pubescence of the same color, interspersed with silvery hairs; the remaining 

 segments black, fringed with pale golden pubescence; underside closely punc- 

 tured, lateral carinse distinct, ventral segments fringed with mixed black and 

 white hairs. Length -ih lines. 



JIab. — Texas. Allied to M. Waco. 



102. Mutilla montivaga, Cresson, Proc. Eut. Soc. Phil. Vol. IV. p. 436. 

 Female. — Reddish ; head wider than the thorax, apex of abdomen with ochra- 



ceous pubescence, eyes round. Length 4 — 6 lines. 

 ZTa^.— Colorado. 



BE SID ERA TA. 



The following species are unknown to me. 



103. Mutilla andreniformis, Smith, Catal. Brit. Mus. Hym. Ill, p. 55. 275. 

 Mule. — Black ; densely pubescent, that on the vertex and mesothorax bright 



ochraceous; wings smoky-hyaline, darker about the apical margins, abdomen 

 petiolate, petiole with a longitudinal dorsal groove, strongly punctured, shining. 

 Leugth 4 lines. — (Smith.) 

 Ilah. — Mexico. 



104. Mutilla antiguensis, Fabr. Ent. Syst. II. p. 367. 2: Syst. Piez. p. 429. 3. 

 Oliv. Kncy. .Moth. VIII. 56. 6. St. Farg. Hym. Ill, 604. 13. 



Mutilla erythrina, Say, Bost. Jour. I. p. 297. 4. — (Smith.) 



Male. — Scarlet red, black beneath, wings black-violaceous, marginal cell 

 truncate at tip, J with a black dot rather behind the middle of the tergum ; 

 eyes entire. Length 5 — S lines. — (Say.) 

 Hub. — Island of Antigua; AJexico. 



105. Mutilla canina, Smith, Catal. Brit. Mus. Hym. Ill, p. 58. No. 283. 

 Female. — llufo-testaceous; head densely clothed with pale ochraceous pubes- 

 cence, anterior half of mesothorax clothed with black pubescence, posterior with 

 pale ochraceous, basal half of second abdominal segment black, eyes round. 

 Length 4J lines. — (Smith.) 



llab. — Mexico. 



