230 CHAS. A, BLAKE. 



brownish black pubescence, ventral surface same as above. Length 5 J line?, 

 exjjanse of wings 9 lines. 

 Hah. — Texas. Belfrage. 



8. Mutilla senex, Guer. Icon. Reg. Anim. IIL p. 429, pi. 69, fig, 4. La Sagra's 



Hist. Cuba, Ins. p. 768. 

 Male. — Head clothed with pale ochraceous pubescence, abdomen ferruignous, 

 Segment fringed with whitish pubescence, wings fusoo-hyaline, eyes ovate, 

 emarginate. Length 5J lines, expanse of wings lOi-lines. 

 Hah. — Cuba. 



9. Mutilla ornativentris, Cresson, Proc. Ent. Soc. Phil. Vol. IV. p. 438. 

 Female. — Ferruginous, head tvider than the thorax, abdominal segments with 



silvery pubescence, eyes ovate. Lngth 41 — 6 lines. 

 Hnh. — Western and Southern States. 

 This is probably the female of hexaffona, Say. 



10. Mutilla Leona, n. sp. 



Female. — Head round, as wide as the thorax, ferruginous, closely covered 

 with elongate punctures, mandibles ferruginous, the tips black; eyes large, 

 ovate, entire. Thorax quadrate, ferruginous, closely punctured, lateral declivi- 

 ties smooth, metathorax coarsely reticulate, abruptly truncate. Legs rufo- 

 testaeeous, thinly clothed with pale hairs, calcaria pale. Abdomen ovate, 

 black, clothed with appressed black pubescence, basal segment testaceous, its 

 apical margin fringed with pale golden pubescence ; second segment having 

 two short longitudinal stripes of pale golden pubescence, placed laterally near 

 the base, apical margin and remaining segments, except the middle of the 

 third and fourth, clothed with pale golden pubescence. Length 2^ lines. 



Hah. — Mexico. Prof. F. Sumichrast. 



11. Mutilla palliceps, Cresson, Proc. Ent. Soc. Phil. Vol. IV. p. 112. 



Female. — -Rufo-ferruginous, head clothed with dense, pale ochraceous pubes- 

 cence, eyes ovate. Length 2 — 4^ lines. 



Hah. — Cuba. 



This species varies by having the thorax and legs sometimes entire- 

 ly black, sometimes entirely ferruginous. 



This is probably the female of smex, Guer. 



DIVSION 11. 



12. Mutilla scrupea, Say, Bost. Jour. I. p. 297, 5. 



Male, — Black, head and thorax covered with coarse confluent punctures, 

 thinly clothed with scattered pale yellowish hairs; antennae and mandibles 

 black; eyes ovate, emarginate. Thorax: anterior angles of prothorax subacute 

 sutures of the meso- and metathorax deeply impressed, the latter very coarsely 

 reticulate. Wings subhyaline, apical margins slightly clouded, marginal cell 

 sublanceolate, first submarginal small, second large, receiving the first recur- 

 rent nervure near the apex, third irregularly pentagonal, its exterior angles 

 with short nervures, second discoidal cell large. Legs blacK, thinly clothed 

 with glittering hairs. Abdomen ovate, basal segment short, armed on each 

 side at its base with a stout tooth, the underside having a longitudinal carina, 

 terminating anteriorly in a tubercle; second segment covered with large, deep 

 punctures, apical margin fringed with silvery pubescence; the remaining seg- 



