4 E. T. CRESSON. 



gular, subtrlaugulur ; abdomen rather narrow, depressed, densely and 

 finely punctured, first segment slender, with the apex rather suddenly 

 dilated and uneven above. Length 6] — 7 lines. 



Three 9 specimens. (Sumichrast Collection, Nos. 27 and 93. j 



4. Ichneumon encaustus, n. sp. 



9 . — Black, shining; head beneath antenntie, palpi, orbits, broad on 

 cheeks, broad annulus on antennae, basal joint beneath, collar, line on 

 each side before the wings, angular line beneath tegul.oe, most of pleura, 

 a longitudinal line on each side of mesothorax behind, sides and tip of 

 scutellum, postscutellum, posterior margins of scutellar and postscutel- 

 lar regions, a large mark behind each posterior wing, three spots on 

 base of metathorax above, two longitudinal spots at the apex, confluent 

 at the extreme tip with a large rounded spot on each side, the four an- 

 terior coxae and trochanters, their femora, except a black line above 

 and at tip beneath, their tibia? anteriorly, posterior coxjb, except two 

 black lines behind, apical and lateral margins of all the abdominal seg- 

 ments, and the venter entirely, white or yellowish-white ; posterior fe- 

 mora whitish, with the upper inner half and tip black ; their tibiae and 

 tarsi yellow, the apex of the femora black ; four anterior tarsi dusky ; 

 the whitish bands on the second, third and fourth segments of abdo- 

 men are broad, and that on the first segment emarginate in the middle; 

 ■wings hyaline, nervures blackish, a pale spot at base of stigma. Head 

 broad; antennae as long as head and thorax, their joints proportioned 

 as in zapotecus ; mesothorax and scutellunj with scattered punctures, 

 the latter flat, carinated on each side at ba.se; metathorax deeply and 

 closely punctured, sparsely so at base and rugulose on the sides, elevated 

 lines distinctly, but not sharply defined on the disk, the apex truncate 

 and bounded by a sharp carina ; areolet of anterior wing smaller than 

 usual and triangular; abdomen slender at base, fusiform beyond the 

 first segment, smooth and polished. Length 6 lines. 



Four 9 specimens. (Sumichrast Collection, No. 8.) Distinct from 

 zapotecus by the diff'erent form and position of the markings of the 

 thorax. 



5. Ichneumon Parredes, n. sji. 



9 . — Head black, orbits, face, clypeus, mandibles except tips, palpi 

 and cheeks, white; antennae black, the scape beneath and a broad an- 

 nulus beyond the middle, white; thorax yellowish-white on the sides 

 and beneath, black above, margins of prothorax, interrupted above in 

 front, line over each tegula extending to scutellum, scutellum except 

 base, postscutellum and metathorax, except a large black mark on each 



