. Nature study and life. Nature study. 25^ NATURE STUDY AND LIFE. their gorgeous colors. Some appear to be always on the wing, while others may be seen resting lightly on flowers, especially of Helianthus, golden-rod, and asters in the early autumn. The fact that renders a study of this family important is that the maggots, or larva;, of many of them feed upon plant lice and other small, soft-bodied insects. In collecting plant lice, especially such as cause great deformity of the leaves, as in case of the currant, elm, and snowball, keep a sharp lookout for slender maggots within the gall-lik
. Nature study and life. Nature study. 25^ NATURE STUDY AND LIFE. their gorgeous colors. Some appear to be always on the wing, while others may be seen resting lightly on flowers, especially of Helianthus, golden-rod, and asters in the early autumn. The fact that renders a study of this family important is that the maggots, or larva;, of many of them feed upon plant lice and other small, soft-bodied insects. In collecting plant lice, especially such as cause great deformity of the leaves, as in case of the currant, elm, and snowball, keep a sharp lookout for slender maggots within the gall-like cavities, and do not mistake them for the insects that do the harm, I^reserve them in the vivarium, supply with aphids, and watch them as they transform, first into hardened pupa cases, and finally into adult syrphus flies. The syrphus flies whose larva; are not predaceous feed on wet, decaying wood, manure, and mud, or live in filthy water. Their larva; are the curious "rat-tailed Fk;. 105. A S^R^llLS Fly (Enlarged about one-lialf) maggots" that the children are sure 'i'.;. 106. Rat-Taileu Maggot of .\ouatic Syrphus Fly' (After Kiley) to bring in with the question : What is that .'' Keep the larva; with appro- priate food and surroundings, and they will soon answer the question them- selves. More than three hundred different species of syrphus flies have been described in the books. Many of them mimic other insects, especially bees, wasps, and 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 Hodge, Clifton Fremont, 1859-. Boston and London, Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatures, bookyear1902
