122 PROCEEDINGS OF THE ACADEMY OF 



on flagellum, margins of prothorax, two entire stripes on raeso- 

 thorax, a line on each side over tegulie, spot ou each side before 

 scutellum, scutellums, pleura except angular mark beneath wings, 

 and spot above each anterior coxa, yellow ; metathorax ^^ellow, with 

 three large black spots above, the apical one largest, and a black 

 stripe dilated above on lateral suture ; teguh>i pale yellow, pupilled 

 with fuscous ; wings dusky hyaline ; legs 3'ellow, stripe on all the 

 femora above, tips of all the tarsi, most of posterior coxse above, 

 and their tibia except extreme base and apex, black; abdomen 

 black above ; apex of all the segments with a yellow band, broad 

 and regular on the first and second, and much narrowed, sometimes 

 suddenl}^ so, on remaining segments ; venter yellow. Form slender, 

 shining ; head sub-buccate ; antennae long and slender ; thorax 

 closely punctured ; scutellum flat ; metathorax truncate behind, 

 with prominent lateral tubercles ; abdomen polished, gastrocoeli 

 small, marked by a 3'ellowish linear mark. Length 4| lines. 

 Mirador. 



47. Ichneumon nigrofemoratus, n. sp. 



% . Yellowish-white ; spot behind antennae, another covering 

 ocelli and connected with a large spot on occiput, antenna? ex- 

 cept scape beneath and broad white annulus beyond middle of 

 flagellum, large triangular mark on each side of prothorax, meso- 

 thorax except two longitudinal lines dilated on disk, lateral 

 region of scutellums, four dots (arranged in a square) on base of 

 metathorax, two or three dots beneath wings, posterior femora 

 entirely, subapical spot on first abdominal segment, large sub- 

 triangular spot on second, and basal half of each remaining seg- 

 ment, black ; wings yellowish-hyaline, stigma luteous ; tips of 

 posterior tibia? faintly fulvous. Form slender ; head sub-buccate ; 

 antenntii as long as body, slender; scutellum flat; metathorax 

 truncate behind, with two short acute spines ; legs slender ; abdo- 

 men flattened. Length 4^ lines. 



Orizaba. 



48. Ichneumon abjectus, n. sp. 



% Head white, middle of vertex and occiput black; antenna? 



black, with a broad white annulus ; tliorax black, with collar, 

 margins of prothorax, two short discal lines on mesothorax, two 

 spots on posterior margin, tegulix?, scutellums, and most of pleura, 

 white ; metathorax, legs, and abdomen more or less tinged with 



d 



