Insect pests of farm, garden and orchard . to comba,t, is spraying witharsenate of lead. Use 3 pounds to 50 gallons, to which 3 pounds MISCELLANEOUS GARDEN INSECTS 427 of resin soap should be added to render it more adhesive, althoughgood results have been secured without the sticker. Such sprayingshould be given as soon as cutting is over and should be repeatedonce or twice at intervals of ten days. Where the young shootsare kept closely cut and the bed is then sprayed,there should be notrouble to control the pest, and young beds should be kept thor-oughly sprayed with arsenate of lead from t
Insect pests of farm, garden and orchard . to comba,t, is spraying witharsenate of lead. Use 3 pounds to 50 gallons, to which 3 pounds MISCELLANEOUS GARDEN INSECTS 427 of resin soap should be added to render it more adhesive, althoughgood results have been secured without the sticker. Such sprayingshould be given as soon as cutting is over and should be repeatedonce or twice at intervals of ten days. Where the young shootsare kept closely cut and the bed is then sprayed,there should be notrouble to control the pest, and young beds should be kept thor-oughly sprayed with arsenate of lead from the time the beetlesappear until danger from injury is over. The Twelve-spotted Asparagus-beetle * The Twelve-spotted Asparagus Beetle is also of Europeanorigin, having been first introduced into this country nearBaltimore, Md., in 1881. Since then it has become almost aswidely distributed as the previous species. The beetles may be distinguished from the last species by thebroader wing-covers, each of which is orange-red, marked with six. Fig. 306.—The twelve-spotted asparagus-beetle {Crioceris V2-punctata Linn.):a, beetle; b, larva; c, second abdominal segment of larva; d, same ofc, asparagi—a, b, enlarged; c, d, more enlarged. (After Chittenden,U. S. Dept. Agr.) black spots. The chief injury by this species is by the beetleswhich emerge from hibernation feeding on the young generations attack the foliage, Ijut the larvae seem to preferto feed upon the ripening berries. The larva is of the same gen- * Crioceris 12-punctata Linn. See F. H. Chittenden, 428 INSECT PESTS OF FARM, GARDEN AND ORCHARD era! appearance as that of the preceding species, but ma} be dis-tinguished by its orange color. The eggs are laid singly, and areattached on the sides instead of on end. They are depositedmostly on old plants toward the ends of the shoots which bearripening berries lower down. Soon after a larva hatches it finds itsway to a berry and feeds upon its ripening pulp,
Size: 1888px × 1323px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1912