. Class book of economic entomology [microform] : with special reference to the economic insects of the northern United States and Canada. Insect pests; Entomologie; Entomology; Insectes nuisibles, Lutte contre les; Insect pests; Insectes nuisibles. 3,58 ECOSIIMU |.;^g,,,_Miiiuli\ while, (le|>c)sileil in cavity "f kurnil. tundâSmall, mhusl, whitish, U'rIiss; oni- lurva l» a kernel iil wheat, but several in torn. /"M^a.âWhite, clear ami transparent. CuM/r,)/.âSuperheat for 6 hours at uo°-iJ5°F.; fumigate with hydrocyanic aciil gas or carbon bisulphide. The Rice Weev
. Class book of economic entomology [microform] : with special reference to the economic insects of the northern United States and Canada. Insect pests; Entomologie; Entomology; Insectes nuisibles, Lutte contre les; Insect pests; Insectes nuisibles. 3,58 ECOSIIMU |.;^g,,,_Miiiuli\ while, (le|>c)sileil in cavity "f kurnil. tundâSmall, mhusl, whitish, U'rIiss; oni- lurva l» a kernel iil wheat, but several in torn. /"M^a.âWhite, clear ami transparent. CuM/r,)/.âSuperheat for 6 hours at uo°-iJ5°F.; fumigate with hydrocyanic aciil gas or carbon bisulphide. The Rice Weevil {.Calandra oryzir is also of economic importance, espv cially in the South (FiR. 21S). Cora Bill-bugs {Sphawphorus spp. âAdults. Snout-beetles, dull black surface marked with small pits an narrow gr<H)ves; irregularij' oval an rounded; '4-:'t inch long; hibernal' under rubbish; single brooded (Fig. 2111 Eggs-âLai'i^ PhlhoropUoeus limimris and AiUsandrus pyri. which may be i- linguished by the following cl\aractcrs: A. Venter of abdomen with caudal part bent abruptly upwji'' .\ntennal club flat and marked by angulated /w- .^ togaster rugulosus (Fruit-tree Bark-beetle). A.\. Venter of abdomen normal, regularly curved. B. Antennal club lamellate, of three separate, laterallj- â "â duced segments; head visible from \e.âPhlhoropM 1« liminaris (Peach-tree Bark-beetle).. Flu. Jiy.âTlie maize bill-buy iSphenophorus maijis). Four llnu's Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lochhead, William, 1864-1927. Philadelphia : P. Blakiston's Son
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1
