. Common insects affecting fruit-trees [microform]. Insect pests; Fruits; Insectes nuisibles; Fruit. T 39 I usty red in color without markinffs. These insects are called Hawkmoths |roin their swift darting flight from flower to flower at dusk or early even- ing; they poise on swiftly vibrating wings, like Humming-birds, and suck the nectar from tubular flowers with their long, slender tongue, which coils up beneath the head like a watch-spring when not in use. The name Sphinx is derived from the attitude often assumed by the cater- pillars, which hold up their head and front segments so as to
. Common insects affecting fruit-trees [microform]. Insect pests; Fruits; Insectes nuisibles; Fruit. T 39 I usty red in color without markinffs. These insects are called Hawkmoths |roin their swift darting flight from flower to flower at dusk or early even- ing; they poise on swiftly vibrating wings, like Humming-birds, and suck the nectar from tubular flowers with their long, slender tongue, which coils up beneath the head like a watch-spring when not in use. The name Sphinx is derived from the attitude often assumed by the cater- pillars, which hold up their head and front segments so as to present a fanciful resemblance to the mysterious Egyptian Sphinx. (Fig. 54.). Fig. 55. Green Grape-rine Sphinx Moth. The other species affecting the vine, the Achemon and the Abbot Sphmx, and the White-lined and Dark-veined Deilephilas, are very simi- lar in their habits and their caterpillars feed in the same way. Being large and voracious, they sometimes entirely strip a branch of its leaves They are kept in check by their parasitic enemies and seldom, therefore appear in large numbers. As their presence can be detected by the denuded branches, or their large black or brown castings on the ground beneath, they can easily be got rid of by hand-picking. It is only on young vines that they are likely to prove very injurious; the foliage of the older ones is so luxurious that the loss of leaves in this vvav is hardly 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 Bethune, Charles J. S. (Charles James Stewart), 1838-1932; Jarvis, Tennyson D; Ontario. Dept. of Agriculture. Toronto : Dept. of Agriculture
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