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. Ill. State 
Agric. Soc., November, 1862, pp. 1-3. Eeprint: < Trans. Ill. 
State Agric. Soc., v. 5, pp. 497-499. 
Injuries of locusts in the Mississippi Valley ; dilferences between locusts and 
Cicadas. 
27. Walsh, B. D. On the genera of Aphidce 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] rudbeckice Fitch, A. 
vilis ? Scop., A.maidis ? Fitch, Lachnus caryce Harris, Thelaxes [= Coloplia ] 
ulmicola Fitch ai’e described; one (l) 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 Pieridce 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 Chloroneura 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 oblineatus [=Lygus pra- 
tensis] ; 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 -lineaia ‘ figure of imago ; 
mentions other injurious Phytophaga. 
