168 PROCEEDINGS OF THE ACADEMY OF 



yellow, their femora behind, all the coxre and trochanters, and 

 base of posterior femora, fulvous, remainder of their tibire j'ellow ; 

 abdomen fulvous, shining, paler at tip and beneath, first segment 

 except base and spot on extreme tip above, base of second seg- 

 ment and basal margin of the third, black. Form same as that 

 of Sumichy-asti, with the sculpture much the same, the dorsal 

 lines of mesothorax arc, however, scarcely impressed ; the basal 

 segment of abdomen is polished, while the remaining segments, 

 although shining, are covered with a verj' short, subsericeous pile. 

 Length 7 lines. 



Orizaba. (Sumichrast, No. 5.) 



4. Cryptanura ? pacliymenae, n. sp. 



% 9 . Bright yellow ; spot on vertex covering ocelli and occiput, 

 antennae except base, three stripes on mesothorax middle one 

 broad, lateral ones slender and abbreviated anteriorly confluent 

 behind, spot on tip of scutellum, broad band at base of meta- 

 thorax, short stripe at apex, spot and dot beneath wings, line be- 

 hind anterior coxa?, base beneath and spot above at apex of pos- 

 terior coxje, posterior tibise except base, and their tarsi, posterior 

 trochanters above and base and apex of their femora above in % , 

 band on middle of second and third abdominal segments, and 

 basal margins of remaining segments indicated only ly dusky 

 stains in &, black; Avings hyaline, with a fuliginous spot at tip of 

 marginal cell. Form slender; eyes large; head flat; mesothorax 

 closely punctured, regions rather prominent; scutellum broad, 

 convex ; metathorax rounded above, witii a transverse carina near 

 base, posterior face subtruncate and transversely striated ; areolet 

 moderate, 5-angular; abdomen very slender at base, smooth and 

 shining, clavate. Length 7 lines. 



Vai\ 9. The black color predominates by reason of the mark- 

 ings being more largely developed ; stripes on mesothorax broad 

 and conlluent; pleura entirely black, except an irregular 3'ellow 

 mark on each side ; metathorax black, except the flanks and an 

 arcuated line on posterior face ; posterior femora black on their 

 basal half above, and tlie bands on abdomen broader and more 

 distinct ; wings tinged with yellowish. Lengtli 7^ lines. 



Orizaba; Cordova; Mirador. (Sumichrast, No. 54.) Parasitic 

 on a species of Pachymenes probably ohscurus Smith. 



