246 WILLIAM J. FOX. 



72. jyintilla creon Blake. 



Mntilla creon Blake, Tr. Am. Ent. Soc, iv. 73, % , 1872. 

 Sphxrophthalma creon Blake, ibid, xiii, 228, % , 1886. 



Texas. 



73. mutilla exiinia Blake. 



Mutilla eximia Blake, Tr. Am. Ent. Soc, xiii, 200, % , 1886. 



Arizona. This is a typical Sphceroplithalma, but was described 

 by Blake as a true Mutilla. 



74. Mutilla Suowornm (;kll. and Fox. 



Sphserophthalma Snoworum Cockerell and Fox, Proc. Acad. Nat. Sci. Phila., 

 135 %, 1897. 



New Mexico: Albuquerque (Suow). 



75. Iflntilla caiiella Blake. 



Mutilla i Sphmroph.) canella Blake, Tr. Am. Ent. Soc, iii, 239, % , 1871. 

 Sphserophthalma canella Blake, ibid, xiii, 230, %, 1886. 



Texas ; New Jersey : Gloucester County, August 16th. 



76. Ululilla gibbosa Say. 



Mutilla gibbosa Say, Bost. Jouru. Nat. Hist., i. 298, 'J, . 1836. 

 Sphserophthalma gibbosa Blake, Tr. Am. Ent. Soc, xiii, 231, % , 1886. 



Occurs from Massachusetts to Texas and Illinois ; Mexico. 



77. Mntilla inonticola Cress. 



Mutilla monticola Cresson, Proc. Ent. Soc. Phila., iv, 430, % , 1865. 

 Sphserophthalma inonticola Blake, Tr. Am. Ent. Soc, xiii, 226, %. 1886. 



Colorado. The first segment in this species is scarcely as nodose 

 as in the preceding species, and approaches the form of that of 

 fulvohirta, townsendi, etc. 



The next series of species has the head at most as wide as thorax. 



78. Mutilla clyteinuestra n. sp. 



9 . —Black, ihe head, thorax and abdomen above with long white hairs 

 similar to that of gloriosa, etc. ; pubescence of legs and first dorsal black ; head 

 as wide as thorax ; thorax posteriorly with large, coarse punctures; ventral carina 

 of first segment dentate or angulate medially ; second ventral segment rugosely 

 punctured, scabrous; pygidium finely rugose. Length 8 mm. 



California : Poway. Three specimens. Differs from thetis by 

 larger size, black body and black pubescence of legs. 



79. Mutilla thetis Blake. 



Sphxrophthdlma thetis Blake, Tr. Am. Ent. Soc, xiii. 214, ^ , 1886. 



Arizona. Only the unique type seen. 



so. Mutilla lieterochroa Ckll. and Cas. 



Sphserophthalma heterochroa Oockerell and Casad, Ent. News, v, 298, 9> 1894. 



New Mexico : Mesilla and Las Cruces in August and September 



