i8 ENTOMOLOGICAL NEWS. [January, 



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PARASITIZED LARV^;. Of Nadata gibbosa, which generally yield a fair 

 average of normal pupae, I had negative results this year, 1894. Nineteen 

 larvae collected late in July produced only one pupa. They reminded me 

 of those promising much and returning little. With Hyparpax aurora 

 had better success. Twenty-nine larvae of first brood yielded ten pupae, 

 but only one imago emerged in August the others in all probability going 

 to hibernate. Another collector related to me a similar experience with 

 H. aurora. Dr. R. E. KUNZE. 



NOTE ON NEMATUS SALICUM (Ckll.) A short note appears necessary 

 to clear up the synonymy of this insect. As is explained in Tr. Am. Ent. 

 Soc. xx, pp. 345-346, I described the larva as Messa salicum, and Mr. 

 Ashmead later described the imago as Messa salicis. Those who main- 

 tain the genus Messa will probably prefer to call the species M. salicis 

 Ashm., but Dalla Torre, in his Cat. Hymenop. vol. i (1894), p. 257, sink- 

 ing Messa under Nematus, alters the name of our species to Neinatus 

 salicicola, because there is a Nematus salicis Linne. In view of the pre- 

 viously published named salicum, this was unnecessary, and the proper 

 synonymy is apparently Nematus salicum Ckll. (== salicis Ashm., not L. , 

 = salicicola D. T.) T. D. A. COCKERELL. 



Mr. WM. H. ASHMEAD, in " Insect Life," vol. vii, No. i, p. 27, identifies 

 a Hemercbius from Mississippi as H. humuli Walk. ; then, accepting 

 Hagen's doubt as to its identity with the European species of that name, 

 he calls the American specimens H. gossypii Ash. But McLachlan, who 

 completely reviewed Walker's Hemerobidae from the types, says of H. 

 huiniili (Brit. Neurop. Plan., p. 181), " North American specimens do not 

 differ from the described European form." So, if Mr. Ashmead's species 

 agrees with Walker's form, H. gossypii is another addition to the already 

 long list of synonyms of the common Hemerobius humuli. Cczcilins 

 mobilis Hagen, which was described from a damaged specimen from 

 Cuba, is also recorded by Mr. Ashmead from Mississippi. I doubt if any- 



