382 PROCEEDINGS OF THE ACADEMY OF 



% More slender; stripes on mesothorax very broad and some- 

 times confluent posteriori}' ; apex of scutellum and postseutellum 

 generally black ; tips of wings darker ; legs honey-yellow, poste- 

 rior femora above, their tibia? almost entirely and their tarsi black ; 

 abdomen very slender, the dorsal edge and generally the two or 

 three apical segments black. Length 6-T^ lines. 



Orizaba ; Cordova. Generally larger than nigrovittata (from 

 Cuba) which it resembles in the ornamentation of the anterior 

 wings, but differs greatly in the color of posterior legs. 



Genus PANISCUS, Grav. 



Paniscus geminatus. 



Op7iion geminaius, Say, Macl. Lye, i. p. 76. 



Orizaba; Cordova (Sumichrast, No. 103) ; Mirador. Very 

 common, varying in size from i-S^ lines. 



Genus CAMPOPLEX, Grav. 



1. Campoplex opimus, n. sp. 



9 . Head, antennae, thorax, coxpe, posterior femora, tips of their 

 tibiii^, their tarsi, and dorsal edge of abdomen, black, clothed with 

 a pale pubescence, most dense on face, sides of scutellum, and on 

 metathorax; mandibles, palpi, scape beneath, tegulie, four anterior 

 legs, basal two-thirds of posterior tibi, and abdomen except 

 dorsal edge, pale yellow; metathorax tinged with yellowish on 

 each side above, sulcate down the middle and transversely striate; 

 wings yellowish-hyaline, dusky at tips, areolet rather small, tri- 

 angular. Length 8 lines. 



Cordova. 



2. Campoplex tepanecus, n. sp. 



9. Kufo-fuscous, more or less varied with blackish; antenn.ne 

 black, the scape sometimes rufous; face, mesothorax, middle of 

 metathorax, femora, and dorsal edge of second abdominal segment 

 generally black ; spot on mandibles, palpi, four anterior tibise, 

 anterior tarsi, and line on outside of posterior tibiae, yellow ; wings 

 hyaline or subliyaline, marginal cell and apex more or less dusky, 

 areolet large. Length 7^-8 lines. 



S. Head, antenna^, thorax, and legs black; abdomen rnfo- 

 fuscous, dusky at apex; scape beneath and posterior t'lbhxi except 

 tii)s, yellow. Length 5 lines. 



