44 



i 



Cincinnati Society of Natural History. 



August 25th. Described from Kansas, where it was reared 

 from leaf mines on Balsam, Oak, and from the Apple leaf 

 miner, Tischeria malifoliella Clem. " Description in Bull. 3, 

 Exp. Sta. Kans. St. Agl. Col., June, 1888. 



Semiotellus chalcidephagus Walsh. Habitat, Canada. 

 United States. Described in Am. Ent., Vol. II, p. 368. This 

 and the two following species, together with Webstercllus 

 tritici Ashmead (Figs. 1 and 2, Plate III), were reared at 

 Wooster, Ohio, in connection with Isosoma hordei Harris. 



Eupelmus allynii French. Reared from the preceding, 



and also at Lafayette, Indiana, where it was parasitic on 



Isosoma tritici Riley. Description in Can. Ent., Vol. XIV, 

 p. 9. 



Merisus isosomatis Riley. Reared w T ith the preceding, 

 both at Wooster and at Lafayette. Described in Rep. Ent. 

 . Dept. Agric, 1882, p. 186. Habitat, Tennessee. 



Tetrastichus productus Riley. Reared at Wooster, 

 Ohio, from wheat stubble infested by Cecidomyia destructor 

 Say. Described from Missouri, in Proc. U. S. Nat. Mus., Vol. 

 VIII, p. 419, pi. 23, 1885. Whether this is a primary or a 

 secondary parasite has not yet been determined. 



Pachyxeuron micans Howard. (Fig. 3, Plate III). Reared 

 at Wooster, Ohio, from aphid on grass, and also on wheat 

 stubble, the types being reared at Lafayette and Goshen, 

 Indiana, from Siphonophora avence Fab. Described in Insect 

 Life, Vol. II, p. 246. 



Aphidius obscuripes Ashmead. Types reared at Lafayette, 

 Indiana, but the host is unknown. Reared at Wooster, Ohio, 

 from wheat straws, the host probably some species of Aphides. 

 Described in Proc. U. S. Nat. Mus., 1888, p. 660, 1888. 



Allotria tritici Fitch. (Fig. 4, Plate III). Reared in 

 considerable numbers in Indiana, from Siphonophora avencs. 

 Described in Fitch's Sixth Report Insects of New York, p. 

 99, the habitat being given as New York and Canada. 



Perilitus americanus Riley. (Figs. 5 and 6, Plate III). 

 This species has been reared by myself in various localities 



