INSECTS INJURIOUS TO THE BLACK WALNUT. 329 
149. Scopelosoma sidus Guen. See Oak insects, p. II 6. 
150. Agrotis alternata Grote. See Oak insects, p. 116. 
151. Catocala desperata Guen. (French, Can. Ent., 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. Kematocampa filamentaria Guen. (Forbes, 2d 111. Rep., 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. blandella Clem.) Imago unknown. 
The larva when young makes a linear whitish mine in the upper 
surface of the leaves. 
HEMIPTERA-HOMOPTERA. 
160. Phylloxera caryaeglobosa Shimer. 
161. Schizoneura carycc (Fitch). 
162. Callipterus carycc Monell. 
DIPTERA. 
163. Cecidomyia cossce Shimer, Trans. Amer. Ent. Soc. ii, 395. 
164. Cecidomyia carycc O. Sacken, Monographs, etc. i, 19 L 
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. 
(Juglans nigra.) 
AFFECTING THE TRUNK. 
1. CyUene 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 
aud with their yellow marks changed more or less to a white color. 
2. Allorhina nitida (Linn.) 
Order Coleoptera; 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 
