12 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



24. WALSH, B. D. List of the Pseudoneuroptera of Illinois contained 



in the cabinet of the writer, with descriptions of over forty new 

 species, and notes on their structural affinities. <Proc. Acad 

 Nat. Sci. Phil., September, 1862, pp. 361-402. 



One hundred and nine (109) species are enumerated ; two (2) new genera and 

 forty (40) new species are described. For a list of the same see the Sys- 

 tematic Index. 



25. WALSH, B. D. [Erythroneura tricincta Fitch.] < St. Louis Valley 



Farmer, October, 1862, pp. 305-306, fig- 

 Erythroneura [ Typhlocyba^ tricincta on grape-vines. 



26. WALSH, B. D. Grasshoppers and locusts. < Journ. 111. State 



Agric. Soc., November, 1862, pp. 1-3. Reprint : < Trans. 111. 

 State Agric. Soc., v. 5, pp. 497-499. 



Injuries of locusts in the Mississippi Valley ; differences between locusts and 

 Cicadas. 



27. WALSH, B. D. On the genera ofAphidce found in the United States. 



< Proc. Ent. Soc. Phil., December, 1862, v. 1, pp. 294-311, figs. 

 1-8. 



Synoptic separation of the genera ; list of seventy (70) species found in the 

 United -States, with food habitat ; Aphis [= Nectarophora] rudbecUce Fitch, A. 

 vilis ? Scop., A. maidis ? Fitch, Lachnus caryce Harris, Thelaxes [= Colopha~\ 

 ulmicola Fitch are described ; one (I) new genus and eleven (11) new species 

 are described ; see the Systematic Index for a list of the same ; the figures 

 show venation and other details. Two (2) new ants, Formica aphidicola and 

 F. [=Lasius'] latipes, are described. 



28. WALSH, B. D. [Observations on Papilio glaucus and P. turnus.] 



< Proc. Ent. Soc. Phil., February, 1863, v. 1, pp. 349-352. 



Reasons for considering turnus and glaucus identical; the latter a dimorphic 

 9 of the former; distribution of the two forms; citation of similar case 

 among Pieridos and of analogous one among Dytiscidce ; description of larva 

 from which a black 9 was raised. 



29. WALSH, B. D. [Katydid eggs.] < Prairie Farmer, 28 February, 



1863, [v. 27], n. s., v. 11, p. 132, fig. 

 Oviposition of katydid eggs on apple-twigs. 



30. WALSH, B. D. Fire-blight. < Prairie Farmer, 4 April, 1863, [v. 



27], n. s., v. 11, p. 212, fig. S.-b., No. 1, p. 10. 



Description and figures of eggs of Chloronenra malefica [_= Empoasca viride- 

 scens] and the slits in which they are deposited in apple-twigs ; cause of 

 fire-blight ; suggestion of remedies. 



31. WALSH, B. D. Insects injurious to fruit trees. < Prairie Farmer, 



2 May, 1863, [v. 27], n. s., v. 11 , p. 276, fig. S.-b., No. 1, p. 9. 

 Fruit and foliage of pear-trees destroyed by Capsus oblineatm [=Lyguspra- 

 tensi8~\ ; description and figure of imago ; habits, food-plants, and remedies. 



32. WALSH, B. D. The ten-striped spearman. < Prairie Farmer, 6 



June, 1863, [v. 27], n. s., v. 11, p. 356, fig. S.-b., No. 1, p. 7. 

 History, ravages, and means against Doryphora 10-Uneaia ; figure of imago ; 

 mentions other injurious Phylophaga. 



