. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 132 THE REPORT OF THE No. 19 able by tlie public, in late summer, but most of their injuries are done in early summer. The Tarnished Plant Bug (Fig. 72), is one of the true bugs, and obtains its food by piercing the tissues with its beak and sucking the juices. The adult insects are about 1-5 of an inch long, and are very variable in color, ranging from a dark brown through light brown to yellowish or yellowish- green. The broad region behind the head (prothorax) is bordered with yellow, and has fo
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 132 THE REPORT OF THE No. 19 able by tlie public, in late summer, but most of their injuries are done in early summer. The Tarnished Plant Bug (Fig. 72), is one of the true bugs, and obtains its food by piercing the tissues with its beak and sucking the juices. The adult insects are about 1-5 of an inch long, and are very variable in color, ranging from a dark brown through light brown to yellowish or yellowish- green. The broad region behind the head (prothorax) is bordered with yellow, and has four or five longitudinal yellowish lines; the triangular area behind the prothorax bears also a yellow Y, and ihe upper wings are marked with dark and light spots. The adults winter over under rubbish, and are ready in the early spring to attack the young buds and fruits. Their eggs are deposited on the food plants, and in a few days the young larvae or nymphs appear. All ^^^hruugh the season nymphs and adults may be found feeding together. The nymphs moult four or five times, gradually becoming more like the winged adults. There are probably only two'*broods in Fig. 72. The Tarnished Plant-bug—much enlarged. On account of the fact that Tarnished Plant Bugs have a wide range of food plants, hence are widely distributed, and occur at all times of the season in every stage of development, treatment is difficult. The following remedies have been found somewhat effective and are here recommended: 1. The use of pyrethrum or insect powder. This should be mixed with four or five times its weight of flour and dusted on such plants as straw- berries, garden flowers, cucumbers, potatoes, &c., in early morning while the insects are torpid and the dew is on the foliage. 2. The bugs may be readily shaken from infested trees and shrubs in early morning upon a sheet, and destroyed. 3. The application of a kerosene-emulsion spray or some good tobacco solution in early morning wi
Size: 1169px × 2137px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872