BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 39 



292. WJALSH], B. D. The wheat midge. <Pract. Ent., June, 1867, v. 



2, pp. 99-101. 



Extract from letter from S. S. Rathvon,with remarks; natural history of 

 Diplosis tritici. 



293. W[ALSH], B. D. The new or Colorado potato-bug. <Pract. Ent., 



June, 1867, v. 2, pp. 101-102. 



Distribution, habits, and extent of injuries of Doryphora W-lineata. 



294. [WALSH, B. D.] [Gall-flies; saw-flies.] <Pract. Ent., June, 1867, 



v. 2, pp. 102-103. 



Answer to inquiry of M. W. Philips; mention of various insects which are 

 gall-makers ; their modes of life ; characters of the larvae of Cecidomyida' 

 and Tenthredinidce. 



295. [WALSH, B. D.] [Bark-beetles.] <Pract. Ent., June, 1867, v. 2, 



p. 103. 



Answer to inquiry of W. C. Fish; identification of specimens sent; habits 

 of Tomicus pusillus [=Pityophthorns minutlssimus'] and of T. ramulorum 

 [=P- micrograph-its']. 



296. [WALSH, B. D.] [Apple-tree insects.] <Pract, Ent., June, 1867, 



v. 2, p. 103. 



Answer to inquiry of S. Cassi ; characters, food-plants, and ravages of Arctia 

 [= Spilosoma'] cirginica; supposed work of Epiccerus imbricatus. 



297. [WALSH, B. D.] [Attacus cecropia.] <Pract. Ent, June, 1867, v. 



2, p. 103. 

 Answer to inquiry of T. McGraw ; larva? of Attacus cecropia usually solitary. 



298. [W T AXSH, B. D. ] [Grape-vine flea-beetle.] <Pract. Ent., June, 



1867, v. 2, p. 103. 



Answer to inquiry of A. Kelley ; hibernation of the imago of Haltica chaly- 

 bea ; ravages and means against the same. 



299. [WALSH, B. D.] [Spliyracepliala brevicornis.] <Pract. Ent., June, 



1867, v. 2, p. 103. 



Answer to inquiry of H. B. Howarth ; characters and habitat of Sphyrace- 

 phala brevicornis. 



300. [WALSH, B. D.] [May-bug.] <Pract. Ent., June, 1867, v. 2, p. 



103. 



Answer to inquiry of C. H. R. : characters and food-habits of the larva of 

 Lachnosterna quercina [_=-fusca]. 



301. [WALSH, B. D.] [Blister-beetles: plant-louse enemy.] <Pract. 



Ent., June, 1867, v. 2, p. 104. 



Answer to inquiry of Dr. Houghton ; food-habits of Lytta {== Pomphopoca] 

 aenea and L. [=P.J sayi; Chllocorus biculnerus as a means against Coccidw. 



302. [WALSH, B.' D.I [Blackberry borers.] <Pract. Ent., June, 1867, 



v. 2, p. 104. 



Answer to inquiry of A. S. Fuller; characters of undetermined larva (^Eye- 

 ria f ) and of Oberca perspicillata [= bimaculata] boring in blackberry stems ; 

 food-habits of ^geridce. 



