. Manual of fruit insects. APPLE INSECTS — BUDS AND FOLIAGE 133 within a few inches of the pupal case from which she emerged(Fig. 143). In its native home the gipsy moth is held in check by itsnatural insect enemies, both parasitic and predaceous. Forseveral years now the United States Bureau of Entomologyhas been importing and liberating thousands of these beneficialforms with the hope that ultimately they may be able to hold. Fig. 146. Combing sticky bands and brushing down caterpillars of the gipsyand brown-tail moths. the species in check. Some of these introduced insects havealready becom
. Manual of fruit insects. APPLE INSECTS — BUDS AND FOLIAGE 133 within a few inches of the pupal case from which she emerged(Fig. 143). In its native home the gipsy moth is held in check by itsnatural insect enemies, both parasitic and predaceous. Forseveral years now the United States Bureau of Entomologyhas been importing and liberating thousands of these beneficialforms with the hope that ultimately they may be able to hold. Fig. 146. Combing sticky bands and brushing down caterpillars of the gipsyand brown-tail moths. the species in check. Some of these introduced insects havealready become established in the infested territory and aremultiplying rapidly. One of the most promising of these isa large green ground beetle {Calosoma sycophanta L.) shownin Figure 145. In both the adult and larval state it preys onthe larvae and pupae of the gipsy moth. Means of control. The control of the gipsy moth in orchards is not a difficultmatter. During the winter the trees should be carefully 134 FRUIT INSECTS examined for egg-masses and the eggs killed by saturatingthem \vith crude coal-tar creosote to which a little lampblackhas been added as a marker. The work of destroying the eggscan be greatly facilitated by having the trees properly pruned,by removing all flakes of rough bark and by filling all cavitieswith cement or covering them with tin. The trees should besprayed, soon after the eggs have hatched, with arse
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915
