. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 376 PESTS OF DOMESTIC ANIMALS Control is based on keeping cattle out of tick-infested pastures long enough to starve out all the seed ticks. The latter do not go in search of a host, but wait for it to come. Luckily this scheme works in well with various desirable crop rotations. In the case of range animals, dipping or spraying to kill the ticks on the animal is resorted to. The Sheep Tick {Melophagus ovinus Linn.) Degenerate, reddish or brownish, flattened insects, one fourth of an inch long or less, suck t
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 376 PESTS OF DOMESTIC ANIMALS Control is based on keeping cattle out of tick-infested pastures long enough to starve out all the seed ticks. The latter do not go in search of a host, but wait for it to come. Luckily this scheme works in well with various desirable crop rotations. In the case of range animals, dipping or spraying to kill the ticks on the animal is resorted to. The Sheep Tick {Melophagus ovinus Linn.) Degenerate, reddish or brownish, flattened insects, one fourth of an inch long or less, suck the blood of sheep and lambs. They are especially injurious to the latter. The pest is most' numerous in the spring months. The entire life round is spent on the sheep. While this species belongs in the order of flies, the adults are entirely wingless. Sheep should be dipped after shearing. Various substances are on the market for this purpose. Or, one of the commercial _ tobacco extracts may be used, following Fig. 603.—The Sheep Tick. , . . , ' . Enlarged and natural size. *e mstructions prmted on the contamer Original. in which the material is sold. The Sheep Scab-mite {Psoroptes communis Furst, var. ovis) Small, sucking mites breed in large numbers under scales or crusts formed on the skin of sheep. There is violent itching, and the wool looks rough and ragged, often sticking together in places, or falling entirely out. Attack is usually confined to the neck, back, and rump, the under parts being more or less free of the mites. The mites are exceedingly small, and swarm around the edges of the scabs. Dipping of infested animals is the only thorough remedy. The same materials are used as in dipping for the sheep tick, the one dip serving to kill both 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 wor
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
