116 PROCEEDINGS OF THE ACADEMY OF 



gin of prothorax, line on tegulaj, another beneath tegulre, another 

 beneath hind wing, base of scutellum, a line on each side before, 

 postscutelluni, two stripes on metathorax confluent at tip, one 

 or more dots on each side of pleura, most of middle coxre, stripe 

 on posterior pair, stripe on all tlie femora and tibire, and narrow 

 apical margin of first four segments of abdomen, sometimes only 

 of first two, lemon-yellow ; antennae brown-black, fulvous beneath ; 

 wings subhyaline, costa brown. Antennae long and slender in % , 

 shorter and subrobust in 9 ; scutellum subconvex ; abdomen ovate, 

 first segment slender, slightly' enlarged at tip. Length 4^-5^ lines. 

 Orizaba; Cordova. (Sumichrast, Xo. 107.) 



18. Idmeumon junceus, n. sp. 



% . Black ; sides of face, narrow orbits, scape within, spot on 

 mandibles, palpi, upper margin of prothorax interrupted in mid- 

 dle, tegulae, short line beneath, scutellum, i^ostscutellum, irregular 

 "W-shaped mark on apex of metathorax, tips of four anterior 

 femora, their tibite and tarsi entirely, spot on posterior coxi\i be- 

 hind, their tibife except tips, and apex of first two abdominal seg- 

 ments, 3'ellowish-white ; wnngs subhyaline, dusky at tips ; head, 

 thorax, and legs pubescent. Abdomen long, narrow^, cylindrical. 

 Length G^ lines. 



Cordova. 



19. Ichneumon zapotecus. 



Ichneumon zapotecits. Cress., Trans. Am. Ent. Soc, ii. p. 3, J. 



Cordova. (Sumichrast, Nos. 21 and 93.) 



20. Ichneumon encaustus. 



Ichneumon encaustus, Cress., Trans. Am. Eut. Soc, ii. p. 4, 'J 9* 



Orizaba; Cordova. (Sumichrast, No. 8.) The % differs from 

 the 9 only in being smaller and much more slender. Length 4^- 

 6 lines. 



21. Ichneumon zacatecus, n. sp. 



9. Differs from encaustus, as follows: the mesothorax has 

 two short yellowish discal lines, confluent behind, and there is no 

 yellowish spot on each side of tegulaj ; the apical half of scutel- 

 lum is yellowish ; all tlie femora are entirelj' black within ; the 

 base of second abdominal segment is eutirel}' black ; and the 

 gastrocoeli shallow. Same size. 



Orizaba. 



