. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. GRAMINEOUS CROPS. 79 markings on tlie dorsal side of tte thorax and abdomen. The six legs are yellow with black tarsi (feet). The perfect insect makes its appearance usually in May. The female lays eggs (white) near the base of the sheathing leaves of barley plants. The eggs are hatched in four or five days, when the yellow, legless maggots pierce a. Fig. 32.—^EiBBON-rooTED Cobn Fly (Chlorops taniopus). A. The fly (enlarged). B. Its natural size. E. D. enlarged. 0. Larva (nat.


. The diseases of crops and their remedies : a handbook of economic biology for farmers and students. Plant diseases. GRAMINEOUS CROPS. 79 markings on tlie dorsal side of tte thorax and abdomen. The six legs are yellow with black tarsi (feet). The perfect insect makes its appearance usually in May. The female lays eggs (white) near the base of the sheathing leaves of barley plants. The eggs are hatched in four or five days, when the yellow, legless maggots pierce a. Fig. 32.—^EiBBON-rooTED Cobn Fly (Chlorops taniopus). A. The fly (enlarged). B. Its natural size. E. D. enlarged. 0. Larva (nat. size). D. Infested stem. way into the young ears of corn, and feed there by ex- tracting the sap, etc., of the host-plants. " The larva always makes a furrow from the base of the ear to the first joint or knot of the stem. In this furrow the change from the larval to the pupal stage takes ; Accord- ing to Dr. Taschenbergi the larvae of Clilorops hibernate ' See his Praktische Insekten-Kunde and his various 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 Griffiths, A. B. (Arthur Bower), 1859-. London : G. Bell


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Keywords: ., bookauthorgriffith, bookcentury1800, bookdecade1890, bookyear1890