. Insects injurious to fruits. Illustrated with four hundred and forty wood-cuts. Insect pests. specimens, one of which is seen in the figure, are also black- these fly from one tree to another and establish new colonies. Remedies.—Syringe the trees with strong soap-suds or other alkaline washes, or wdth strong tobacco-water. A number of lady-birds and their larvse, also the larvae of Syrphus flies, feed on these lice. Many of them are destroyed by a minute Chalcid fly, which lives within their bodies. This friendly species, Stenomesius aphidicola Ashmead, is shown, much magnified, in Fig. 399
. Insects injurious to fruits. Illustrated with four hundred and forty wood-cuts. Insect pests. specimens, one of which is seen in the figure, are also black- these fly from one tree to another and establish new colonies. Remedies.—Syringe the trees with strong soap-suds or other alkaline washes, or wdth strong tobacco-water. A number of lady-birds and their larvse, also the larvae of Syrphus flies, feed on these lice. Many of them are destroyed by a minute Chalcid fly, which lives within their bodies. This friendly species, Stenomesius aphidicola Ashmead, is shown, much magnified, in Fig. 399, where a represents the female, and b the male. The short lines at the sides indicate their natural size. They are so minute that as many as three of the perfect winged flies have been known to issue from the body of a single 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 Saunders, William, 1836-1914. Philadelphia, J. B. Lippincott & Co
Size: 1695px × 1473px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublisherphila, bookyear1883