[l55] HYMENOPTERA l6l 



ICHNEUMON WILSONI (Cresson). 



Ischnus wilsoni CRESSON, Proc. Ent. Soc. Phila , n, p. 188, 1864. 

 Ichntionon wilsoni CRESSON, Trans. Am. Ent. Soc., vi, p. 161, 1877. 

 CRESSON, Syn. Hym. North Am., p. 189, 1887. 



Type in collection of the American Entomological Society. From 

 Seldovia, July 21 ; Juneau, July 25. Six specimens. 



ICHNEUMON BREVIPENNIS Cresson. 



Ichneumon brevipennis CRESSON, Proc. Ent. Soc. Fhila., in, p. 174, 1864. 

 CRESSON, Trans. Am. Ent. Soc., vi, p. 182, 1877. CRESSON, Syn. 

 Hym. North Am., p. 183, 1887. 



Type in collection of the American Entomological Society. From 

 Muir Inlet, June 1 1 (Fur Seal Commission) ; Kukak Bay, July 4 ; 

 Yakutat, June 21 ; Virgin Bay, June 26. Five females and three males. 



Genus Melanichneumon Thomson. 

 MELANICHNEUMON SELDOVI^E sp. nov. 



Male. Length 10 mm. Black; face below insertion of antennae, 

 mandibles, scape beneath and the palpi except first three joints of 

 labial palpi, and the first joint and base of second joint of maxillary 

 palpi ivory white ; first three joints of labial palpi and the first joint 

 and apex of second joint of maxillary palpi fuscous, the second joint of 

 the last mentioned being much dilated apically ; flagellum pale brown- 

 ish beneath, with an annulus, joints 13 to 15 being yellowish-white; 

 scutellum and postscutellum yellow ; legs rufous, with the coxas and 

 first joint of trochanters except sutures, black, the hind tibiae toward 

 apex and their tibiae, fuscous. Wings hyaline, the disco-cubital vein 

 not distinctly broken by a stump of a vein, the areolet irregularly pen- 

 tagonal, the second recurrent nervure joining it before the middle. 

 The metathoracic areola is hexagonal, the basal lateral and the middle 

 lateral areas partly confluent, the transverse carina dividing them 

 being distinct only at base, while the lateral apical areas are 

 wanting. 



Type. Cat. No. 5541, U. S. Nat. Museum. From Seldovia, 

 July 21. One specimen. 



This species, without the closest attention to its generic characters, 

 could easily be confounded with Ichneumon imitator, I. sitkensis and 

 /. kincaidi. 



