INSECTS INJURIOUS TO THE BLACK WALNUT. 329 



149. Scopelosoma sidus Giien. See Oak insects, p. 116. 



150. Agrotis alternata Grote. See Oak insects, p. 116. 



151. Catocala desperata Guen. (French, Can. Eut., xx, 28.) 



152. Catocala palaeogama Guen. (French, Can. Ent., xx, 108.) 



153. Prodenia cammelince Abbot and Smith. 



154. Catocala vidua (Abbot and Smith). See Oak insects, p. 178. 



155. Nematocampa filamentaria Guen. (Forbes, 2d 111. Kep., 79). 



156. Paraphia deplanaria Guen. Ohio. (Pilate, Papilio ii.) 



157. Eugonia subsignaria Hiibner. 



158. Cacaecia argyrospila Walk. See Oak insects, p. 192. 



159. Gracilaria sp. (probably G. hlandella Clem.) Imago unknown. 



The larva when young makes a linear whitish mine in the upper 

 surface of the leaves, 



HEMIPTEBA-HOMOPTERA. 



160. Phylloxera caryaeglobosa Shimer. 



161. Schizoneura caryce (Fitch). 



162. Gallipterus caryce Monell. 



DIPTERA. 



163. Cecidomyia cossce Shimer, Trans. Amer. Ent. Soc. ii, 395. 



164. Cecidomyia caryce O. Sack en, Monographs, etc. i, 191. 



165. Cecidomyia carycecolor O. Sacken, Monographs, etc. i, 192. 



166. Cecidomyia cynipsea O. Sacken, Monographs, etc. i, 193. 

 177. Cecidomyia glutinosa O. Sacken, Monographs, etc. i, L93. 



168. Cecidomyia nototricha O. Sacken, Monographs, etc. i, 193. 



169. Cecidomyia persicoides O. Sacken, Monographs, etc. i, 193. 



170. Cecidomyia sanguinolenta O. Sacken, Monographs, etc. i, 192. 



INSECTS INJURIOUS TO THE BLACK WALNUT. 



{Jiiglans nigra.) 



AFFECTING THE TRUNK. 

 1. Cyllene pictus (Drury. ) 



The chief enemy of this tree is the hickory and locust tree borer 

 {Cyllene pictus). Fitch states that the beetles which are reared in this 

 tree appear to constitute a distinct variety of a larger size than usual 

 and with their yellow marks changed more or less to a white color. 



2. AUorhina nifida (Linn.) 

 Order Coleopteka; family Scarab^id^, 



This beetle has been found by Mr. Charles W. Leng to be common in 

 the Caroliuas and Georgia attacking the shade trees. "Near Raleigh 

 an avenue of walnuts was specially infested. They appeared to bite 



