. A text-book of agricultural zoology. Zoology, Economic. 204 DIPTEEA OE TRUE FLIES. sometimes occurs in hop-cones in swarms. The larvee of the Bibionidse (fig. 97, b) are cylindrical or fusciform maggots which live in earth, decay- ing stems of plants, and amongst roots of plants. They are mostly, if not all, saprophytic. Closely related to these are the Simulidoe or Sand- flies (fig. 98), which swarm in damp places. The females attack man and animals, drawing out the blood. They are one of the forms of mosquitoes.^ The larvsB live on the stems of Pig. 98.—A Sand-fly (Simulmm r
. A text-book of agricultural zoology. Zoology, Economic. 204 DIPTEEA OE TRUE FLIES. sometimes occurs in hop-cones in swarms. The larvee of the Bibionidse (fig. 97, b) are cylindrical or fusciform maggots which live in earth, decay- ing stems of plants, and amongst roots of plants. They are mostly, if not all, saprophytic. Closely related to these are the Simulidoe or Sand- flies (fig. 98), which swarm in damp places. The females attack man and animals, drawing out the blood. They are one of the forms of mosquitoes.^ The larvsB live on the stems of Pig. 98.—A Sand-fly (Simulmm reptans). A, Ungues and pulviUl of Simulium; b, of Dilophus. Another important family in the Nematocera are the Tipulidse or Crane-flies, popularly called the Daddy-long-legs. Tipulidse can at once he told by their long slender legs, which so readily fall off. The larvsB are often called " Leather-jackets,'' and are root-feeders; some also live in decaying wood, and others in water. The pupae are armed with bristles, and are always naked, no puparium being formed. The Common Ceane-ply (Tipula oleracea). The female Crane-fly is brownish-grey, with a silvery hue, the wings having testaceous veins. The female is provided with a ' The true mosquitoes are Culioidse,. 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 Theobald, Frederick Vincent, 1868-1930. Edinburgh and London, W. Blackwood and sons
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1899
