. Report of the entomologist (James Fletcher, ), 1885 [microform]. Insect pests; Insectes nuisibles. 44. Fig. 22. Calosoma scrutator. ll^oly t Ji:'^.:SZ-IE ⢠2?i:Z^'j!^ '^'^ ^'^ ^^-otablo matter a. most on the other hand, require woll-devolonod meanTihr m,. J i^," âT*!« P''*^'^'!«'^o"^«pocleB, have to catch thoiV i,,V before tSorcrde^^^^^^^^^ naovmg , because thoy Thege two typos are well exomplifiod bv the accompanying , Fig. 21 is the Colorado Potato-beetle, an inactive but vorv injurious insect. Fig. 22 is the Green Cater-- piiiarhuntor, an active
. Report of the entomologist (James Fletcher, ), 1885 [microform]. Insect pests; Insectes nuisibles. 44. Fig. 22. Calosoma scrutator. ll^oly t Ji:'^.:SZ-IE ⢠2?i:Z^'j!^ '^'^ ^'^ ^^-otablo matter a. most on the other hand, require woll-devolonod meanTihr m,. J i^," âT*!« P''*^'^'!«'^o"^«pocleB, have to catch thoiV i,,V before tSorcrde^^^^^^^^^ naovmg , because thoy Thege two typos are well exomplifiod bv the accompanying , Fig. 21 is the Colorado Potato-beetle, an inactive but vorv injurious insect. Fig. 22 is the Green Cater-- piiiarhuntor, an active beneficial insect j'smK. Insects in a state of nature soldotn'appear Fiff 21 to bo . from the fact that their fJod is ^" diBtiibutocthinlj'amongst other vegetation. Alarirefood su|,ply ,H the main cause which reiuiatos the amount of ^^n?'' P'"'""''- ^^^"" ^^ cultivate large areTsunder any one crop wo naturally attract those insects which feed upon it, and in this way insects which had previ- ously been scarce, may suddenly increase in numbers so e onnously as to become a nerious hindrance to agrt culture. In lUustiation of thn, let us glance at fh« discovered aboutTev^nty yo^l^^'^Tk^'ot't ^'^^^V^-^'- ThlsE'tir wa': where it fed upon SolanZ r Jr LTaT,lLf T) ^'^ V^''. '"ountains of Colorado, which also the Wtatopl^^n^rn!^^^^^^^^^^ ''^ K''« ^^â ghtshade family, to probably owing to the iuTthttu7^-^.^ plants widely separa ed Ma y vearn n^ ''"' not abundant and the individua witrhirhel oifo'w^^^^ ^^â¢'"^'^ ^â¢Â°'-'«^' â¢Â» ^is until the home of the boitk, was iZhod a L. h' ^^'â¢-^',»18 but should they do so the sovmL ,â¢f T.'^p them. The application of this subsUn^co inZ% .^'V n'^""'" ^'^ ""^''^y' «beck ^'Til^n'atiirr-^^^'^"^^^^^^^^^^^^^^ cides^'rr£ ^Sr r EfaTe'^^^^ and those which act by coL^' o/tLrr^l^The'^mS [X-ra^nfarS^- '"&q
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsectp, bookyear1885
