. Insect pests of farm, garden and orchard . fruit trees infested by this species, which lives uponthem throughout the year. 602 INSECT PESTS OF FARM, GARDEN AND ORCHARD The Rosy Apple-aphis * This species is larger than the preceding, with a rounder body,and is commonly of a rosy color, though the wingless femalesvary from a salmon or tan color to slaty gray, purplish or has been injurious only to apple in this country, where it hasbecome widely distributed, but in Europe its native food-plantsare various wild species of Sorbus and Cratcegus. The winglessfemale is about one-tenth inc
. Insect pests of farm, garden and orchard . fruit trees infested by this species, which lives uponthem throughout the year. 602 INSECT PESTS OF FARM, GARDEN AND ORCHARD The Rosy Apple-aphis * This species is larger than the preceding, with a rounder body,and is commonly of a rosy color, though the wingless femalesvary from a salmon or tan color to slaty gray, purplish or has been injurious only to apple in this country, where it hasbecome widely distributed, but in Europe its native food-plantsare various wild species of Sorbus and Cratcegus. The winglessfemale is about one-tenth inch long, the head, thorax and marginof the abdomen being dark reddish-ljrown, and covered with a. Fig. 455.—The rosy apple-aphis {Aphis sorbi Kalt.): winged vivii)arousfemale greatly enlarged, powdery substance which gives it a deep blue color, the middleof the abdomen being lighter yellowish. The antennae and legsare whitish, marked with dusky. The honey-tubes are pale yellow,tipped with black, and are long and tapering. Between the eyesare two smal tubercles, and on the middle of the two segmentsin front of the tail are a pair of similar small tubercles, whichare quite characteristic of this species. When fully developedthe female becomes much darker and distended with young, which *A2^/iissor6iKaltenbach. Family Aphididoe. See Sanderson, and Gilletteand Taylor {Aphis pyri Boyer), cited above; and W. E. Britton, 9th Report,State Entomologist of Connecticut, p. 343. INSECTS INJURIOUS TO THE APPLE AND PEAR 003 may be seen through the abdomen. The wingetl female is aboutthe same length, the head, thorax and honey-tubes being black,and the abdomen yellowish-red. The winged females
Size: 2034px × 1228px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915