BIBLIOGRAPHY OF THE MORE IMPORTANT CONTRIBUTIONS TO 
AMERICAN ECONOMIC ENTOMOLOGY. 
THE WRITINGS OF B. D. WALSH (1860-1873). 
1. Walsh, B. D. Bark-lice. <Western Rural. S.-b. No. 3, p. 11. 
Habits of Lecanium compared with Aspidiotus [ =Mytilaspis ]. 
2. Walsh, B. D. Entomological notes. <Prairie Farmer, 17 May, 
1860, [v. 21], n. s., v. 5, pp. 308-309, figs. S.-b. No. 1, pp. 42-43. 
Notice of Coccus harrisii n. sp. [=Chionaspis furfurus ]; figure of its scales; 
description and figure of Capsus oblineatus [=Lygus pratensis] infesting 
apple, quince, and pear trees ; figure of larva case and imago and descrip¬ 
tion of Phycita nebulo [—Acrobasis indiginella']', figures of imago and of in¬ 
juries of Amphicerus bicaudaius; habits of the same and of Scolytus [ =Xyle- 
borus ] pyri, Saperda bivittata [ -Candida] and Ckrysobothris femorata; means 
against the last. 
3. Walsh, B. D. “Cutworms.” <Prairie Farmer, 9 August, 1860, 
[v. 22], n. s., v. 6, pp. 82-83, fig. S.-b. No. 1, pp. 84-85. 
Account of the larvae of Lachnosterna quercina [—fusca J of Elaterida; of 
Agrotidce and of Pangus [=Harpalus ] caliginosus ; figures of larvae and 
imagos of the same or allied species; also of Heteronyclius [—Ligyrus] 
relictus, Lopha [= Bembidium ] 4 -maculatum and Agonoderus pallipes. 
4. Walsh, B. D. [ Ips quadrisignatus , Say.] <Prairie Farmer, 1860, 
[v, 22], n. s., v. 6, p. —. 
Ips i'Signatus [ =fasciatus ] attacks growing ears of sweet corn. 
5. Walsh, B. D.] “Insect Life.” < Proc. Agric. Conv.; Ann. meet¬ 
ing Ill. Nat. Hist. Soc.; Comm. Exerc. State Normal Univ. 
[Bloomington, Ill.], 1860, pp. 11-12. 
Report, compiled from Chicago papers of address delivered before the Illi¬ 
nois Natural History Society; comparison between injurious insects and 
an invading army; necessity of appropriations for carrying on entomologi¬ 
cal work; economic entomology in Europe; importance of beneficial in¬ 
sects. 
9 
