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SAY'S GRAIN BUG, CHLOROCHROA SAYI STAL, IN CANADA

Published online by Cambridge University Press:  31 May 2012

L. A. Jacobson
Affiliation:
Dominion Entomological Laboratory, Lethbridge

Extract

Say's grain bug, Chlorochroa sayi Stal, made its initial appearance in Alberta, in appreciable numbers, during the season of 1935. The history of the recorded damage by this insect is available in the publication by Caffrey and Barber (U. S. D. A. Bul. 779). This publication is the only adequate treatise to date on this pest of economic grains. The first recorded damage was reported by farmers from Gila and Salt River Valleys of Arizona in 1903. Further outbreaks were recorded in the southern states of New Mexico, Arizona, Texas and Colorado, reaching the peak of depredation during the period, 1915 to 1919. Its first occurrence in Montana was noted during the years 1931 and 1932. where it has been causing considerable losses to the farmers in the northern part of that state ever since. Localized outbreaks were reported in Utah during this same period.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1936

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