Pomona L'ollK(;e Joirnal of Entomology 429 



GO. Setie less proinineiit ; winys less fulvous ; punctural ilots not con- 

 spicuous. Body smaller. 7". nicxicaiia ininuta Crawf. 

 FF. N'eins of wing without sctx, or if present scarcely visible. Anal 

 valve of male ovoid, extending caudatl. Claspers slender, curved, 

 acute apically. T. assimilis Crawf. 

 1)|). (".cnital segment of female distinctly longer than dorso-ventral width. 

 Anal valve more or less spatulate. 

 E. Both cubital veins and radius bordered with brown or black band. 

 .\nal valve larj,'e, with a large posterior lobe. 



T. tri[>Hiutata ( l''itcii I kiley. 

 EE. t'ubitals and radius without dark bands. .\nal valve without large 

 posterior lobe. 

 F. Anal valve very large, spatulate. both margins subeqnal in length ; 

 with a bifurcate ridge extending from base toward each dorsal 

 corner. 

 G. Body brownish red to orange. Thorax (|uite stronL;lv arclied. 

 N'otum finely and inconsincuously pubescent. 



'/". / roil till is Crawf. 

 GG. Body dark reddish brown. Thorax less strongly arched. N'otal 

 ])ubescence slightly more conspicuous. 



T. frontalis siilcolo Crawf. 

 FI''. Anal valve not uinisually large, snbspatulate : posterior margin 



much shorter than anterior; bifurcate ridge wanting. 

 G. Forewing with four spots on hind margin visible to unaided eye, 

 one on margin of each marginal cell, one on cubital margin, 

 and one on anal angle. X'ertex orange to brown. Margins of 

 anal valve arcuate. T. qiiadripmictata Crawf. 



G(^. Forewing without four visible spots ; three usual spots present. 

 Vertex and facial cones whitish. Margins of anal valve quite 

 straight. T. ulhifroiis Crawf. 



RB. Female with a long, slender, acute ovi])ositor sheath ; with basal portion 

 of genital segment large, subspherical : genital segment very long. 

 Facia] cones quite short. 

 C. Produced ovipositor sheath not longer than enl.irgcd basal portion of 

 genital segment. 

 D. Produced sheath very short ; body very small. W in.g less than 2.5 

 mm. in length. Facial cones subacute. 7". iiicarai^uciisis Crawf. 

 DD. Produced sheath about as large as enlarged portion. Body nor- 

 mally large. Wing more than 3..^ mm. in length. Facial cones 

 rounded. T. collaris Crawf. 



CC. Produced ovipositor sheath nnich longer than basal portion of genital 

 seg^nent. Facial cones very short and rounded. 

 D. Genital segment less than one- fourth the length of rest of Iwdy. 

 Prnepimeron visibly as long as cpisternum. T. loiiQislyliis Crawf. 

 1)1). Genital segment fully one-fourth as long as remainder of body. 

 l'.l)iineron mostly concealed, visibly shorter than cpisternum. 



7". proxiniala Crawf. 



