. Biting flies attacking man and livestock in Canada. Mosquitoes; Simuliidae; Ceratotgonidae; Insect pests; Mouches (Vecteurs des maladies); Mouches. Fig. 7. Adult female sheep ked. Sheep keds are members of a small family of flies that are all ectopara- sites, mostly of birds. Usually called louse flies, they are strongly flattened from top to bottom, presumably the easier to creep about through fur or feathers. Most species of Hippoboscidae are winged, and thus are more readily recognizable as flies. None attacks domestic fowl, although wild game birds are sometimes afflicted. One species of
. Biting flies attacking man and livestock in Canada. Mosquitoes; Simuliidae; Ceratotgonidae; Insect pests; Mouches (Vecteurs des maladies); Mouches. Fig. 7. Adult female sheep ked. Sheep keds are members of a small family of flies that are all ectopara- sites, mostly of birds. Usually called louse flies, they are strongly flattened from top to bottom, presumably the easier to creep about through fur or feathers. Most species of Hippoboscidae are winged, and thus are more readily recognizable as flies. None attacks domestic fowl, although wild game birds are sometimes afflicted. One species of hippoboscid, Lipoptena cervi, found on deer in British Columbia, starts its adult life with a useable pair of wings, then sheds them as soon as it has found a host, possibly because the wings interfere with movement through the hair. However, wings seem to be of no impediment to those species that live on birds, for most of these species are winged and keep their wings throughout life. 34. 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 Wood, D. M; Canada. Agriculture Canada. Ottawa : Agriculture Canada
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Keywords: ., bookcentury1900, booksubjectinsectpests, booksubjectmosquitoes
