146 MISC. PUBLICATION 17 4, U.S. DEPT. OF AGEICULTUEE 



Catocala sp. on hickory, November 2, 1883. Another series of speci- 

 mens is labeled as having been reared June 19, 1882, from (Arctia) 

 Apantesis nais (Drury). The locality is not indicated in either case. 

 The species has not been reared from the hessian fly since the 

 original record by Forbes in 1884; and since it is apparently nor- 

 malTy parasitic upon large lepidopterous larvae, it is not believed 

 likely that it would attack the hessian fly. The Forbes record must 

 have been a mistake. 



HOPLOGRYON KANSASENSIS Gahan 



Hoplogryon kansasensis Gahan, Eut. Soc. Wash. Proc. 14 : 7, 1912. 



The unique specimen from which this scelionid was described was 

 taken at Manhattan, Kans., from a field cage in which hessian flies 

 were breeding, according to the data given the writer by T. J. Head- 

 lee, from whom the specimen was received. Nothing lite it has since 

 been reared from Phytopkaga destructor, and the species is be- 

 lived not to be a parasite of that insect. 



LYGOCERUS TRITICUM (Taylor) 



Ceraphron trlticum Taylor. Amer. Agr. 1860 : 300. fig. 1. 



Lygocerus trlticum Kilev and Howard. U.S.Dept.Agr., Div. Ent., Insect 

 Life 4: 123, 1891 ; Ashmead, U.S. Natl. Mus. Bui. 45: 110, 1893. 



The identity of Lygocerus tviticum is unknown, and it will prob- 

 ably remain so, as the description is very unsatisfactor} 7 . It was re- 

 corded by Miss Taylor as ovipositing in puparia of the hessian fly, 

 but nothing has since been reared from that host which could be 

 identified as representing the species. 



SYNALDIS INCISA Gahan 



Synaldis incisa Gahan, Ent. Soc. Wash. Proc. 14 : 4, 1912. 



The original description of this alysiid was based upon specimens 

 taken at Manhattan, Kans., from field cages in which hessian flies 

 were breeding. These specimens were not known definitely to have 

 been attacking the hessian fly. and the species has not been reared 

 subsequently from that insect. The true host of this parasite is 

 unknown, but it is probably some dipterous insect other than the 

 hessian fly. 



UNPUBLISHED RECORDS THAT ARE CONSIDERED 



DOUBTFUL 



There are a number of specimens representing several different 

 species in the National Museum collection, ostensibly reared from 

 Phytopkaga destructor by various members of the Bureau of Ento- 

 mology staff, which have not been treated in the preceding pages. 

 The material of each of these species consists of not over 1 or 2 

 specimens. 



In some instances these specimens are in too poor condition for 

 positive identification or description. In 1 or 2 instances the iden- 

 tity of the species is known, but their known biology is such as to 

 render it extremely unlikely that they would attack the hessian fly, 

 and it is deemed inadvisable to publish the records until they have 



