MEXICAN HYMENOPTERA. 3 



front, line over the tegulce, sides and tip of scutellum, pectus and pleura 

 beneath, and the four anterior coxae, white or whitish ; metathorax and 

 sides of pleura clothed with short silvery-sericeous pubescence ; wings 

 hyaline ; legs and abdomen ferruginous or yellowish-ferruginous ; a spot 

 on the posterior coxoe behind, and tip of first abdominal segment above 

 blackish. Head broad, cheeks full ; antenna} slightly thickened to- 

 wards the tip and the basal joints of flagellum short and thick-set in 

 9 , long, slender, filiform and with the basal joints elongate in S ; meso- 

 thorax and scutellum polished, sparsely punctured, the latter flat ; meta- 

 thorax densely sculptured, somewhat rugose, smooth at base, the eleva- 

 ted lines obsoletely defined, the apex subtruncate; areolet of anterior 

 wings 5-angular; abdomen elongate, depressed, opaque, first segment 

 rather broadly dilated at tip, the upper surface of which is depressed 

 laterally. Length 7 — 8 lines. 



Five 9 , eight S specimens. (Sumichrast Collection, No. 11.) 



2. Ichneumon meridionalis. Cresson. 



Ichneumon meridionalis, Cresson, Proc. Ent. Soc. Phil, iv, p. 12. 

 Three % , two 9 specimens. (Sumichrast Coll. No. 59.) These do 

 not seem to difier from Cuban specimens. 



:->. Ichneumon zapotecus, n. sp. 



9 . — lilack, somewhat shining, head beneath antennae, orbits, lower 

 half of cheeks, annulus on antennge, collar, line on each side before 

 tegulae. two short lines on mesothorax, a line on each side over tegulre, an 

 oblique line on each side before scutellum, spot on tip oi scutellum, 

 another on postscutellum, a slender W-shaped mark on metathorax 

 above, interrupted laterally, a large ovate spot on the extreme sides, 

 posterior margin of tegulaj, the whole of the pleura, except a broad ob- 

 lique black line on each side, most of the coxae, base of first abdominal 

 segment, the apical and lateral margins of all the dorsal segments, 

 broader on the disk, and the venter entirely, all white ; legs pale lute- 

 ous, a stripe on all the femora above and on all the tibiae behind, most 

 of the four anterior tarsi, a spot on the posterior coxae exteriorly, and 

 their-trochanters above, black ; wings hyaline, faintly dusky at extreme 

 tips, nervures and stigma black. Head transversely subquadrate, cheeks 

 full, clypeus truncate; antennae long, slightly thickened towards the 

 tips, third joint not as long as the first and second together, the re- 

 maining joints gradually shorter; mesothorax closely punctured on the 

 sides, sparsely so on the disk ; scutellum flattened, sides carinated on 

 the anterior half; metathorax rugulose, smoother at base, obliquely 

 truncate behind, elevated lines obsolete; areolet of anterior wings 5-an- 



