112 PROCEEDINGS OF THE ACADEMY OP 



5. Ichneumon otomitus. 



Hoplismenus otomitus, Cress., Trans. Am. Ent. Soc, ii. p. 21, 9- 



Orizaba. ' 



6. Ichneumon chiapus, n. sp. 



%. Head, antennae, upper part of prothorax, mesothorax, sur- 

 roimdings of scutellnm and posterior tibiae black ; face, orbits 

 iuterrnpted behind summit of eyes, broad aunulus on antennae, 

 anterior margin of prothorax, spot on tip of scutellura, and pos- 

 terior tarsi except extreme base and ungues, white ; remainder, 

 including base of scutellum, fulvo-ferruginous ; wings subhyaline. 

 Form slender ; antennre longer than body, slender ; head narrowed 

 beneath, scutellum abrupt on sides and apex, lateral margin cari- 

 nate ; metathorax rugose, truncate behind, with two short, obtuse, 

 lateral tubercles ; legs long and slender ; abdomen elongate, de- 

 pressed ; first segment rugose ; gastrocoeli deep and rugose. 

 Length 6 lines. 



Cordova. 



7. Ichneumon curiatus, n. sp. 



9. Head black; face, mouth, cheeks, and orbits, white; an- 

 tennse black, with broad annulus, and scape beneath white; pro- 

 thorax black, margined with white; mesothorax black, a reddish 

 spot on anterior margin, and two white spots on posterior margin; 

 scutellum pale lemon-yellow, the surrounding space black ; pleura 

 and metathorax, legs and abdomen fulvous or honey-yellow, the 

 anterior coxre pale; wings In-aline, iridescent. Small, shining; 

 head sub-buccate, face short ; antenna slender, involute ; upper 

 margin of prothorax prominent ; scutellum rather flat ; metathorax 

 truncate behind, with two short acute lateral tubercles ; abdomen 

 short, ovate, depressed, polished, apex slightly yellowish. Length 

 8 lines. 



% . Resembles the 9 , but more slender ; the pleura is 3'ellow, 

 with a douljle black mark beneath wings ; the mctatliorax has two 

 elongate fuscous stains ; the first segment of abdomen has a black 

 spot before apex and the second and third, except apical margin, 

 and basal margin of fourth segment are black. Length 3^ lines. 



Orizaba. 



8. Ichneumon dilucidus, n. sp. 



% 9. Ferruginous, opaque; face of % 3-ellowish ; anteunre 

 black, base ferruginous, middle of flagellum in 9 with white an- 



