AMERKUN MUTILUD^. 283 



legs brownish, tarsi testaceous; head sul)qiiaclrate, produced, but not ninch nar- 

 rowed beiiind eyes: space between hind ocelli about equal to that between them 

 and eyes, the latter greenish ; first abdominal segment not very narrow basally, 

 broadened from near base gradually to apex, sparsely and rather strongly i)unc- 

 tured ; wings subhyaline: nervures testaceous; stigma dark brown; marginal 

 cell not more than half as long as stigma ; third submarginal higher than long, 

 shorter than the second on the cubital nervure; second submarginal cell trian- 

 gular, the first and second transverso-cubital veins not meeting above. Length 

 10 mm. 



California. One specimen. 



12. Brachycistis glabreila Cress. 



Midilla (jlabrella Cresson, Proc. Ent. Soc. Phila., iv, 441, % , 1865. 



Agama glabreila Blake, Tr. Am. Ent. Soc, iii, 264. '^ , 1871. 



Agamu alcanor Blake, ibid, iii, 264, %, 1871. 



Photopsis alcanor Blake, ibid, xiii, 267, % , 1886. 



Photopxis glabreila Blake, ibid, xiii, 274, %, 1886. 



Mntilla alcanor Dalla Torre, Cat. Hym., viii, 8, 1897. 



MuHtla glabreila Dalla Torre, ibid, viii, 22, 1897. 



Colorado ; Texas ; New Mexico ; Arizona ; California. B. alca- 

 nor is apparently not distinct from glabreila. 



13. Brachycistis cariiiatus n. sp. 



% . — Castaneous. very sparsely pubescent ; head black ; antennse and eyes pale 

 castaneous ; tarsi rather testaceous; head produced and a little narrowed behind 

 eyes; space between hind ocelli greater than that between them and eyes; 

 dorsulum and scutellum with distinct, sparse punctures; middle segment with a 

 sharp, transverse ridge medially, which runs to the base at sides, thereby enclo.s- 

 ing the upper surface, which is rather deeply sulcate down middle : first segment 

 of abdomen long, greatly liroadened at apex, slender basally. with sparse punc- 

 tures; wings subhyaline, nervures and stigma dark brown: marginal cell not 

 two-thirds as long as stigma; third submarginal about as long as high, much 

 larger than the second, which is subtviangular, and much shorter than the third 

 on the cubital nervure; first and second transverso-cubital veins not meeting 

 above. Length 14 mm. 



California. One specimen. 



The next .seven .species hav^e the firsc abdominal segment short 

 and broad, not produced into a slender neck anteriorly. 



14. Brachyeistis castan^iis Cress. "fv^w. 



Mntilla castunea Cresson, Tr. Xffc: Ent. Soc, iv, 388, % , 1865. 

 Agama castanea Blake, Tr. Am. Ent. Soc , iii, 264, 1871. 

 Photopsis castanea Blake, ibid, xiii, 273, 1886. 

 Mutilla castanea Dalla Torre, Cat. Hym., viii, 21, 1897. 



California; Arizona; Lower California. 



15. Brachycistis nevadeiisis n. sp. 



%. — Pale castaneus, sparsely clotlied with pale, not whitish pubescence; legs 



TRANS. AM. ENT. SOC. XXV. M.^RCH. 1899. 



