Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists . arm pro-duct if the work of this insect is not cut short by some means orother. The pea Bruclius is bad enough, but this is worse. Another insect recently brought to the notice of farmers, is thecorn Sphenophorus (S. Walsh, lig. 11), of which Mr. R. Howell,of Tiago County. New York, writes, June 14, 1869: This is thefourth year they have infested the newly planted corn in this enclosed specimens were taken on the llth instant.


Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists . arm pro-duct if the work of this insect is not cut short by some means orother. The pea Bruclius is bad enough, but this is worse. Another insect recently brought to the notice of farmers, is thecorn Sphenophorus (S. Walsh, lig. 11), of which Mr. R. Howell,of Tiago County. New York, writes, June 14, 1869: This is thefourth year they have infested the newly planted corn in this enclosed specimens were taken on the llth instant. I presumethat they have been in every hill of corn in my Held. They pierce theyoung corn in numerous places, so that each blade has from one tosix or eight holes of the size of a pin. or larger, and I found a num-ber last Fridav about an inch under ground hanging to young stalks 712 APPENDIX. with much tenacity. When very numerous every stalk is fields two or three years ago were wholly destroyed by this in-sect. Among plant house insects may be noticed the white scale bark louse (Aspidiotiis hnnneJiirBonche, fig. li, magnified; 4,. young magnified; end Larva of Lciopu? xanthoxyli. of body still more enlarged).It is often destroyed by aminute chalchid fly, Cocco-phagus(?). Boisduvals fernbark louse (Lecanium filicumBoisd., fig. 7ft, scale enlargedseen from above; 71>, thesame, seen from beneath,and showing the form of thebody surrounded by thebroad, flat edge of the scale;7c, an antenna, enlarged;7(7. a Icii. enlarged; 7<\ end of the bod}, showing the flattened hairsfringing the edge), is common on hot-house plants, as also the Platy-cerinm bark louse (Lecanhu/i plidijci-rii Pack., fig. 5, magnified; «/,an antenna, enlarged), and the plant house Coccus ((.. adonMumLinn., fig. 3, magnified). The plant house Alenrodes {A. vajioniri/tm ofWestwood, fig. 9, enlarged; 9«, pupa enlarged), is more common per-haps than one would suppose. It lives out of doors on toma


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Keywords: ., bookcentury1800, bookdecade1870, bookpublishe, booksubjectinsects