. Mites injurious to domestic animals (with an appendix on the acarine disease of hive bees). Mites; Veterinary medicine; Bees. 18 Mites Injtirious to Domestic Animals. on sheep (Psoroptes communis, var. ovis, figs. 4 and 5) is of great economic importance, being the cause of the serious disease called sheep-scab, which damages the wool and also occasions much loss of stock. Whilst the sarcoptic mange. Fig. 4. Ventral view of male nymph of Psoroptes communis, var. ovis x 10 "> (a) Posterior end of female (pubescent) nymph, shovving the littfe pair of knobs that are grasped by the copul
. Mites injurious to domestic animals (with an appendix on the acarine disease of hive bees). Mites; Veterinary medicine; Bees. 18 Mites Injtirious to Domestic Animals. on sheep (Psoroptes communis, var. ovis, figs. 4 and 5) is of great economic importance, being the cause of the serious disease called sheep-scab, which damages the wool and also occasions much loss of stock. Whilst the sarcoptic mange. Fig. 4. Ventral view of male nymph of Psoroptes communis, var. ovis x 10 "> (a) Posterior end of female (pubescent) nymph, shovving the littfe pair of knobs that are grasped by the copulatory suckers of the adult male. (Original.) of the sheep is restricted to the head, the psoroptic occurs on the parts of the body covered with wool. The mites do not burrow in the skin, but pierce it with their elongated mandibles. Irritation is intense, and the wool becomes detached m places, also matted and full of gTeasy scabs or crusts Sheep. 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 Hirst, Stanley, d. 1930. London, Printed by order of the Trustees
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Keywords: ., bo, bookcentury1900, bookdecade1920, booksubjectbees, bookyear1922
