. Cutworms and their control [microform]. Vers gris; Cutworms; Insect pests; Insectes nuisibles. 10 LIFE-HISTORY. Aitt ,^» «'"*'^°'"â¢8 vary considerably in the time of their appearance in the different stages-egg, larva, pupa, and adult-and as such appearance, too, is often irregular from year to year, it is not possible to state their life-history in general. Some pass the winter in the pupal state, or as half-grown caterpillars, and others in the epg or adult state. The moths of the chief injurious species appear in June, July and August. â " "P^-lus. Fio. 3.âGreen to
. Cutworms and their control [microform]. Vers gris; Cutworms; Insect pests; Insectes nuisibles. 10 LIFE-HISTORY. Aitt ,^» «'"*'^°'"â¢8 vary considerably in the time of their appearance in the different stages-egg, larva, pupa, and adult-and as such appearance, too, is often irregular from year to year, it is not possible to state their life-history in general. Some pass the winter in the pupal state, or as half-grown caterpillars, and others in the epg or adult state. The moths of the chief injurious species appear in June, July and August. â " "P^-lus. Fio. 3.âGreen tomatoes eaten into by the Variegated Cutworm. (Original). leavel'^nV^^"^ cutworm moths, as a rule, are laid in clusters or masses on the wrndownl ' ^.'"'"â¢'S' we^ds, grasses, etc. They h:.re even been found on to drv ^Tn tK ^""^ °"/^u *^'u^,' ^^" ^« °° ^'°**>''^ '^hich had been hung out fonnJVhil 'Tk°^ **'*' ^''"^'^'^ Cutworm, Mamestra atlantica Grt., we have three kver,*'*^'Ann t' "^P" ⢠'"^ *'" "^.^ honeysuckle leaf, in a compact heap of inree layers. Another species (m confinement ad eggs singly or in clusters of nTome d. ^t^r?h^- ^^f ."T^'"'' ?^ '^' '"^'^ ^y a ff^ale Varies conSrably in some clusters there will be less than 100 eggs, in others, over 700- in fact a female of one species is known to have laid ovfr'l,000 eggs The egg's of most mav he T^^Va ^^"^ '? '^'K°' midsummer. Those of lome specierhowrver, may be deposited as early as the end of 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 Gibson, Arthur, 1875-1959; Treherne, R. C. (Reginald Charles), 1886-1924; Canada. Division of Entomology. Ottawa : Govt. Print. Bureau
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1915