. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. ORDER ACARINA 29 The attacks on the birds are made probably for the most part at night, but the mites are usually well filled with blood, which gives them their red color. The use of perclies that are solid, smooth, and free from cracks, and the frequent dipping of these in liot water, and- the thorough cleansing of the entire cage, using boiling water if there are inaccessible cracks, will serve to destroy the Fig. 7.—Poultry tick (Derrnanyssus gallinw): a, adult; h
. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. ORDER ACARINA 29 The attacks on the birds are made probably for the most part at night, but the mites are usually well filled with blood, which gives them their red color. The use of perclies that are solid, smooth, and free from cracks, and the frequent dipping of these in liot water, and- the thorough cleansing of the entire cage, using boiling water if there are inaccessible cracks, will serve to destroy the Fig. 7.—Poultry tick (Derrnanyssus gallinw): a, adult; h, tarsus; c, mouth parts; d and e, young—all enlarged. (After Osborn, Bur. Ent., U. S. Dept. Ag.) The Poultry Tick {Derrnanyssus galliiicp).—One of the most ])crsistent and injurious of the pests of the hennery is the little chicken mite, which gathers on the fowls, espe- cially at night, and sucks their blood. It is a well-known form, and has been described for many years, though in many works it is confused with the preceding species or considered simply a variety of that form. Its distribution seems to extend pretty generally over the world where domestic fowls are 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 Osborn, Herbert, 1856-1954. Philadelphia ; New York : Lea & Febiger
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectb, booksubjectinsects
