48 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



375. WALSH, B. D. Appendix to the article on "Wasps and their 



habits," in No. 7. <Amer. Ent, April, 1869, v. 1, pp. 162-164. 

 Habits of Chrysidida ;; descriptions of Stizus [ Megastizus^ brevipennis n. sp., 

 Agenia subcorlicalis n. sp., A. architectus Say, A. cupida Cress., A. bombytina 

 Cress., Ceropales rufiventris n. sp.,and Ammophila pictipennis n. sp. ; tabular 

 separation of the genera of Sphecidce. See No. 543. 



376. WALSH, B. D. Mr. Couper's thorn-leaf gall. <Ca. Ent., 15 April, 



1869, v. 1, pp. 79-80. 



Description of cecidomyidous leaf-gall on Cratmgus; mentions of three addi- 

 tional Cecidomyidous, and an Acaridous gall on the same; Anthonomus 

 crattzgi inquiliuous in gall on Cratcegus. 



377. WALSH, B. D. The six worst insect enemies of the fruit growers 



in northern Illinois. <Traus. North. 111. Hortic. Soc. for 1867- 

 '68, pp. 91-96. 



Treats of Carpocapsa pomonella, Aspidiotus conchiformis [=-Mytilaspi8pomorum'], 

 Anisopteryx [= Paleacrita~] cernata, Saperda bivittata [ = Candida"], Chryso- 

 bothris femorala, Conotrachelus nenuphar, and Anthonomus prunicida [=Coc- 

 cotorus scutellaris]. 



378. WALSH, B. D. Squash borer. <Cultivator and Country Gentle- 



man, 30 September, 1869, v. 34, p. 256. Extract: <Prairie 

 Farmer, 30 October, 1869. 



Characters of larva and imago of JEgerla cucurbitce [= Melittia ceto~] ; natural 

 history, means against, and distribution of the same. 



379. WALSH, B. D. Apple-tree borers. <Journ. 111. State Agric. Soc. 



Eeprint: <Trans. 111. State Agric. Soc., v. 5, pp. 499-501. 

 Comparative differences between Sapwda and Chrysobothris; soap as a means 

 against the same. 



380. WALSH, B. D. On a species of Hemiteles (Ichneumonidce), ascer- 



tained by the editor to be parasitic in Canada, on the imported 

 currant-worm fly (Nematus ventricosus Klug). <Can. Ent., 1 

 October, 1869, v. 2, pp. 9-12. 



Division of Hemiteles into two groups; description of H. nemativorus'ji. sp.; 

 larval and pupal history of the same by C. J. S. Bethune. 



381. WALSH, B. D. The imported currant-worm fly (Nematus ventri- 



cosus Klug) and its parasite (Hemiteles nemativorus Walsh)- 

 <Ca. Ent., 15 November. 1869, v. 2, pp. 31-33. 



Correction of errors in No. 380 ; sexual characters of Hemiteles ; variation in 

 the time at which the imago state is assumed by hibernating insects; 

 heteropterous enemies of Nematus ventricosus [= ribesii']. 



382. WALSH, B. D. Larvae in the human bowels. One of Mr. Walsh's 



posthumous articles. <Amer. Ent., March, 1870, v. 2, pp. 137- 

 141, fig. 93. 



Characters and habits of larval Homalomyia; description of the larva of H. 

 wihoni, H. Icidyi, and H. prunivora n. spp. ; mention of recorded cases of 

 diptera in the human bowels ; figures larva of H. wilsoni. 



