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 Aspidiotas [=Mytila8pi8~\. 



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 [=Lygu,8 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 bicaudatus; habits of the same and of Scolytus [=Xyle- 

 borus~\ pyri, Saperda bivittata [=candida~\ and Chrysobothris 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 larvse of Lachnosterna quercina [=/wcaJ of Elateridce of 

 Agrotidce and of Pangus [= Barpalus~\ caliginosus ; figures of larvae and 

 imagos of the same or allied species; also of Heteronychus [=Ligyru8~\ 

 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 4-signatus [==fa8datus~\ attacks growing ears of sweet corn. 



5. WALSH, B. D.] "Insect Life." < Proc. Agric. Conv.; Ann. meet- 



ing 111. Nat. Hist. Soc.; Comm. Exerc. State Normal Univ. 

 [Bloomington, 111.], 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. 



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