REPORT OF THE STATE ENTOMOLOGIST 1903 103 



coidal cell considerably wider at apex than base; hooks on hind 

 wings 13 to 15. Legs long, honey yellow. Abdomen long, strongly 

 compressed, usually darker at tip. Male claspers rather long, 

 subrectangular, obtusely rounded at apex. 



Described from 10 examples. 



Cocoon. The larva leaves the shriveled remains of its victim 

 when full grown and pupates within the cocoon spun before the 

 demise of its host. The cocoon is tough, oval, about 32 mm long 

 and 17 mm broad, and occupies the larger portion of that spun 

 by its prey. It is composed of silk agglutinated by a dark secre- 

 tion. Exteriorly it is a dark brown color, with a faint yellowish 

 or golden band around the center. The interior is thinly lined 

 with a transparent substance and possesses a brilliant metallic 

 luster. 



Distribution. The recorded distribution of this insect is from 

 New England to California and from Canada to Texas, indicating 

 that the species ranges over practically the whole of the United 

 States and north into Canada. It has been reported from the 

 following localities : Canada, New England, New York, New 

 Jersey, Pennsylvania, District of Columbia, Virginia, Louisiana, 

 Illinois, Missouri, Nebraska, Colorado, Texas, Nevada and Cali- 

 fornia. 



Specimens have also been examined from the following locali- 

 ties : Ottawa, Canada [Harrington] ; New York city [ Joutel] ; 

 Dutchess county, N. l r . and Rock Creek park, Washington D. C. 

 [U. S. Nat. Mus.] and from Maiden and Amherst Mass. [Fernald] . 



Bibliography 



1846 Brulle, Auguste. Hist. Nat. Ins. Hymenopt. p.138. (Described as 

 rugosus) 



1862-G3 Scudder, S. H. Best. Soc. Nat. Hist. Proc. 9:188-89 (Mentioned as 

 O. cecropiae) 



18G3 Norton, Edward. Ent. Soc. Pbila. Proc. 1 :359 



1863 Sanborn, F. G. Mass. State Bd Agric. Rep't, p.169 (Mentioned as 

 O. cecropiae) 



1863 Trouvelet. Amer. Nat. 1:89-91, fig.l (Method of oviposition, par- 

 asitic on T e 1 e a p o 1 y p h e m u s ) 



1868 Smith. Ent. Soc. Lond. Proc. p.xxxii 



1869 Packard, A. S. Guide Study Ins. p.195, ilg.27 (Parasitic on T e 1 e a 



polyphemus) 



1870 Riley, C. V. Am. Ent. 2 :100, fig.63, 64 



