352 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



2346. [RiLEY, C. V.] [Habitat of Mezium americanum.] <Proc. Ent. 



Soc. Wash., [30 March], 1886, v. 1, p. 14. 



Occurrence of Mezium americanum in old hay. 



2347. [RiLEY, C. V.] [Arctic insects.] <Proc. Ent. Soc. Wash., [30 



March], 1886, v. 1, pp. 14-15. 



Remarks on collection of insects made at Point Barrow, Alaska ; prevalence 

 in Arctic regions of species common to America and Europe; occurrence of 

 Urocerus flavlcornis in Alaska. 



2348. [RiLEY, C. V.] [Habits of Isosoma.] <Proc. Ent. Soc. Wash., 



[30 March], 1886, v. 1, p. 15. 

 Phytophagic habits of the genus Isosoma ; I. grande observed ovipositing. 



2349. [RiLEY,C. V.] [Cranberry fruit- worm.] <Proc. Ent. Soc. Wash., 



[30 March], 1886, v. 1, p. 15. 

 Names Acrobasis vaccinii as the well-known cranberry fruit-worm. 



2350. [RiLEY, C. V.] [Rhyssa lunator.] <Proc. Ent. Soc. Wash., [30 



March], 1886, v. 1, p. 15. 

 States that Rhyssa [= Thalessa] lunator is parasitic and not lignivorous. 



2351. [RiLEY, C. V.] [TipMa and Bhipiphorus.] <Proc. Ent. Soc. 



Wash., [30 March], 1886, v. 1, p. 15. 



Refers to O. Lugger's statements in regard to the habits of TipUia and Ehipi- 

 phorus as manifestly incorrect. 



2352. [RiLEY, C. V.] [Insects attracted to light.] <Proc. Ent. Soc. 



Wash., [30 March], 1886, v. 1, pp. 15-16. 



Disfigurement of buildings by the insects and spiders attracted to the electric 

 light ou the dome of the Capitol. 



2353. [RiLEY, C. V.] [Parasitic Coleoptera.] <Proc. Ent. Soc. Wash., 



[30 March], 1886, v. 1, p. 16. 

 Parasitic habits of Aleochara anthomyice [=ni/ida]. 



2354. [RiLEY, C. V.] [Scenopinus.] <Proc. Ent. Soc. Wash., [30 March], 



1886, v. 1, p. 16. 

 Larva of Scenopinus sp. infesting the blanket of a Navajo Indian. 



2355. RILEY, C. V. Annual address of the president. <Proc. Ent. 



Soc. Wash., [30 March], 1886, v. 1, pp. 17-27. 



Brief comments upon the histories or injuries of Agrotis fennlca, Hadena de- 

 vastatrix, Nematus erichsoni, Phytonomus punctatus, P. nigrirostris, Pulvinaria 

 innumerabilis, Systwchus leucophceus, and Phylloxera vastatrix ; notes on the 

 egg parasites of the Acrididce ; mode of oviposition of some Carabidce ; ad- 

 vantages of Washington from an entomological standpoint. 



2356. [RiLEY, C. V.] [Gall-making moths.] <Proc. Ent. Soc. Wash., 



[30 March], 1886, v. 1, p. 30. 



Walshia amorphella, previously known as a gall-maker on Amorpha fruticosa, 

 bred from roots of loco weed ; Euryptychia saligneana distinct from Pasdisca 

 scudderiana. 



2357. [RILEY, C. V.] Sphida, Grote.] <Proc. Ent. Soc. Wash., [30 



March], 1886, v. 1, p. 30. 



Considers S. obliquuta synonymous with Arzama densa. 



