NATURAL SCIENCES OF PHILADELPHIA. 121 



hyaline, irklescent ; all the femora fulvo-ferruginous, with tlie 

 apex of posterior pair sometimes black. Small, shaped and sculp- 

 tured like z?7orai!a, except that the head is broader; legs robust. 

 Length 4 lines. 

 Orizaba. 



44. Ichneumon ignarws, n. sp. 



% . Black, opaque ; face below antennae, scape beneath, broad 

 annulus on flagellum above, tegulse, dot before and line beneath, 

 scutellums, large irregular mark on metathorax behind, four an- 

 terior legs, posterior trochanters, extreme base of their femora, 

 their tibite except apex, tlieir tarsi entirely, broad apical bands on 

 four basal segments of abdomen, and narrow one on fifth segment, 

 j^ellow ; antennae beneath and at base above, and four anterior 

 femora behind, fulvous ; wings yellowish-hj^aline, dusky at tips, 

 stigma fulvous. Small and ratlier slender, head not buccate, scu- 

 tellum flat ; metathorax without tubercles or spines ; legs slender. 

 Length 4^ lines. 



Cordova. (Sumichrast, No. 108.) 



45. Iclineumon plaeitus, n. sp. 



9 . Black, opaque ; anterior orbits, dilated on face and extend- 

 ing beneath eyes, clypeus, base of mandibles, and basal half of 

 antenntfi, yellowish-ferruginous ; palpi and middle of antennse 

 yellow ; apical third of antennre black ; line on collar, scutellum, 

 spot on postscutellum, and indistinct spot on each side of meta- 

 thorax posteriorly, yellow ; tegulre pale ferruginous ; wings yel- 

 lowish-hyaline, nervures pale fulvous, stigma yellowish ; legs yel- 

 lowish-ferruginous, coxae, base of trochanters and apical half of 

 posterior femora black ; abdomen yellowish-ferruginous, second 

 segment paler ; first segment, except apex, and broad band at base 

 of third and fourth segments, black ; a sub-basal dusky spot on 

 each side of second segment. Small, robust ; head not buccate ; 

 antennai rather robust, involute, joints short; scutellum subcon- 

 vex, shining, sparsely punctured ; metathorax rugose, with toler- 

 ably well defined elevated lines, apex truncate, with lateral tuber- 

 cles short and obtuse ; legs robust ; abdomen oblong-ovate, de- 

 pressed, very minutely sculptured. Length 4 lines. 



Mirador. 



46. Iclineumon epicus, n. sp. 



% Black ; face, mouth, orbits, cheeks, scape beneath, annulus 

 9 



