268 WILLIAM J. FOX. 



The following nine species are known in the female sex only : 



152. Itlutilla aiiraria Blake. 



Mutilla auraria Blake, Tr. Am. Ent. Soc, vii, 248, 9 , 1879. 

 Sphserophthalma auraria Blake, ibid, xiii, 218, 9 . 1886. 



Nevada. Only the unique type seen. 



153. Mntilla aspas«ia Blake. 



Mutilla aspasia Blake, Tr. Am. Ent. Soc, vii, 250, 9) 1879. 

 Sphierophthalma aspasia Blake, xiii, 220, 9 < 1886. 



Nevada. 



154. Iflutilla |>lla^(lra Blake 



Mutilla phxdra Blake, Tr. Am. Ent. Soc, vii, 251, 9, 1879. 

 Sphserophthalma phspdra Blake, ibid, xiii, 219, 9- 1886. 



Nevada. Only the unique type seen. 



155. Mutilla liyperinnestra n. sp. 



9. —Pale ferruginous, clotbed above with appressed, dense pubescence, except 

 on second dorsal segment, which has long, erect hairs only ; the appressed pubes- 

 cence pale golden ; pubescence of segments 3 and following dense: entire insect 

 with long erect hairs: head not as wide as thorax; first joint of flagellum but 

 little longer than the second, the pedicel elongate, equalling it in length ; scape 

 about as long as the following four joints united : thorax short, truncate and 

 narrowed behind, the sculpture of dorsal surface hidden by pubescence ; first, 

 segment of abdomen short, sessile with second, the latter above with shallow 

 punctures, which are more distinct on ventral surface; pygidium distinctly 

 margined, very finely rugose. Length 3-5 mm. 



California : Poway. Eleven specimens. 



156. Mutilla erigoiie n. sp. 



9 . — Ferruginous, thinly clothed with erect, f)ale pubescence ; abdominal seg- 

 ments fringed with white pubescence apically ; head barely as wide as thorax, 

 rugoso-punctate ; thorax quadrate, short and broad, truncate and a little narrowed 

 behind, rugoso-punctate above; first abdominal segment sessile with second; 

 second dorsal strongly punctured basally, the punctures becoming sparser and 

 feebler toward apex; pygidium small, not margined, finely granulated. Length 

 5 mm. 



Colorado. One specimen. 



157. Mutilla ilione n. sp. 



9. — Pale ferruginous, clothed with a sparse, appressed, silvery pubescence 

 and erect, white hairs; abdominal segments not fringed: legs testaceous; head 

 about as wide as thorax, with distinct, separated punctures: first joint of flagel- 

 lum nearly as long as following two joints united ; thorax quadrate, short and 

 broad, a little narrowed posteriorly, where it is broadly truncate, the upper sur- 

 face more finely punctured than head, except at apex, where it is reticulated : 

 fii-st abdominal segment short, sessile with second, the latter above with the 

 sculpture indistinct, l)ut apparently punctured, beneath the segment is sparsely 

 punctured; pygidium not margined, coriaceous. Length 4 mm. 



Texas : Fedor, Lee County (Birkman). Two specimens. 



