NATURAL SCIENCES OF PHILADELPHIA. 383 



Orizaba. (Sumichrast, No. 45.) 



3. Campoplex lacivius, n. op. 



% . Black, clothed with pale pubescence ; abdomen brown ; 

 spot on mandibles, palpi, scape beneath, tegulse, anterior coxae 

 beneath, anterior legs except trochanters and femora above, tips 

 of intermediate femora, their tibiae and tarsi except tips of joints 

 yellowish-white ; wings subhyaline, areolet moderate, subtriangu- 

 lar, petiolated ; dorsal edge of second abdominal segment black. 

 Length 5^ lines. 



Cordova. 



4. Campoplex aurifer, n. sp. 



9, Head, antennge, thorax, and posterior coxae, black, clothed 

 with a golden pile, especially dense on face, sides of scutellum, and 

 face of metathorax; mandibles, scape beneath, tegulae, legs, and 

 most of abdomen, lemon-yellow ; wings yellow-hyaline, nervures 

 yellow, areolet large ; outer side of posterior femora and tibiae, and 

 their tarsi dusky; apex of first abdominal segment, dorsal edge 

 of remaining segments, broad on second and very narrow on the 

 others, blackish, sides of abdomen tinged with dusky. Length 

 8^ lines. 



%, Differs by the first abdominal segment being fuscous and 

 remaining segments more varied with dusky; the golden pile on 

 metathorax is more dense and brighter ; the antennae are longer. 

 Length 8 lines. 



Orizaba. (Sumichrast, No. 46.) ^ 



5. Campoplex flavipennis, n. sp. 



9. Head, thorax, and posterior coxae black, clothed with a 

 golden pile, especially dense on face; sides of scutellum and 

 metathorax; mandibles, palpi, scape beneath, tegulae, legs, and 

 abdomen, lemon-yellow; wings yellow-hyaline, apex faintly dusky, 

 areolet large; antennse fuscous, much paler at base; posterior 

 femora, dorsal edge of second abdominal segment and narrow 

 apical margins of remaining segments dusky. Length 4-6 lines. 



Var. Terminalis, 9. Three apical segments of abdomen 

 entirel}^ fuscous. Length 6| lines. 



Orizaba. (Sumichrast, No. 41.) 



6. Campoplex melliventris, n. sp. 



9. Head, thorax, and coxae, black, with a sparse golden pile; 

 antennae blackish, pale at base, scape yellow beneath ; spot on 



