THE PINE INVESTIGATION. 451 



Order DIPTERA : Family CECIDOMYIIDAE. 



185. Diplosis pini-Tigidae Packard. The pitch pine needle 

 gall fly, (See Fig. XOVII), common on pitch and yellow pine, 

 near Kanawha Station, 1890-94; also near Morgantowu. 



Order LEPIDOPTERA : Family TORTRICIDAE. 



186. Lophoderus politanus Haw. The pine tube builder. 

 The work of this insect frequently observed on yellow and 

 pitch pine near Kanawha Station, 1890 94. 



Order LEPIDOPTERA : Family GRAPHOLITHIDAE. 



187. Retinia frustrana (?) Scudder. The pine moth of Nan- 

 tucket. What was evidently this species had been very com- 

 mon along Allegheny Front, Mineral county, as indicated by 

 the great number of dead twigs on the table mountain and 

 pitch pines as observed Jul> 7, '98. The characteristic mines 

 were found, but scarcely any larvae and chrysalids; also ob- 

 served near Morgantown in pitch pine. A tew larvae were 

 found, but the adult was not i eared. 



188. Retinia comstockiana Fernald. The pitch pine twig 

 tortrix. (See Fig. XOV1II.) Common in living twigs of pitch 

 pine near Kanawha Station; larvae June 27, '91; also in twigs 

 of table mountain pine, May 7, '94. Frequently observed 

 wherever pitch pine grows, forming pitch, gall-like objects on 

 the twigs. 



Order LEPIDOPTERA: Family GELECHIIDAE. 



189. Gelechia pinifoliella, Cham. Pine leaf miner. Com- 

 mon in yellow and pitch pine leaves, causing tips to turn brown, 

 Kanawha Station, May 20, '92; near JJellslow, Apr. 4, '92. Also 

 common in other sections of the State. 



190. Dakruma coccidivora. Common, feeding on undeter- 

 mined Lecanium sp. near Romney, May 7, '94. Adults reared 

 from larvae. 



Order HEMIPTERA : Family ANTHOCORIDAE. 



191. Anthocoris sp. Frequently found attacking adult Scoly- 

 tids. inserting its beak through the suture of the elytra decliv- 



