. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. ELM-BARK BEETLE. 217 c, showing Y to Elm the bark 0 as also ce of the Qg their long the or some opening heap of [irks the 1 burrow The burrow of the parent beetle is usually about throe to fivemchcs ong and takes about three weZ to form Tie Srl^ntui' T '''' ^' ^S
. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. ELM-BARK BEETLE. 217 c, showing Y to Elm the bark 0 as also ce of the Qg their long the or some opening heap of [irks the 1 burrow The burrow of the parent beetle is usually about throe to fivemchcs ong and takes about three weZ to form Tie Srl^ntui' T '''' ^' ^S'^"^ are\\unTrecUnd C observed ^" "^""^ '' ^ ^^""^'^'^ ^"^ '^^^ ^^^« ;! young ,f"b8, when hatched, start at right angles from irndSv* ^^"''^' ^^^ SP^^^ *^^^^ ^^^y ^n^a^-^^«. the burrow^ So^^^rrrV" size and curving to allo^room for the growing size of the tenant (as shown in the fig., p. 216). u.^A °^ *l'' ^^'^^ ^^'^ ^^^" ^^d towards tho end of July when some turn to pupa) at the end of their burrows and the dur n^ Au" t'" Tf"'" *^ '"'^ ?^^ ^^^ our^om'tSe t -e auring August. The greater number, however, of the crubs or^fbi^ °T i' ^^^^\'^^^^^-^> either just wi hin theTood oit a wiw' Y'l t''' ?^y P^«^ "^^ winter, and come out as beetles about the end of May; thus in case of tlio bark bemg i-emoved or falling from the tTee,al hough the b l^r^f off "bv'f.^^T ?"n-r ^^"^^^^ itaiVexpS, to chambers wf h L ^'-'^'' *^ ^S^''« ^""'^^^ ^^ t^^ir "Sel^fJ^^aTtTcr ^^^^^^' "^ '^ ^^^^ ^'^J^^*^^ The maggot is whitish, curved, tapering bluntly to the tail fleshy, much wrmkled across and legless. ^ ' . Ihe beetles are black, from an eighth to a quarter of an inch m length, with rounded rough hid and reSsh horns l^iltZl^r^^'\^^ '^'' «^^^'' ^^'^ '^^ short a the tip; pitted leng hwise with rows of dots, with irregular punctures between glossy, and sometimes of a pit
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectentomology, bookyear1
