Insect pests of farm, garden and orchard . )lants are destroyed. Control.—The only effective means of control suggested issummer following as soon as the hay crop has been field should then be plowed up at once, before the larvaehave transformed to pupse, so that the hot sun, and di-y winds,will dry out the roots of the clover and thus starve the larva*,thereby preventing their developing and migrating to otherfields. Clover fields should not ho allowed to stand over twoyears in infested localities. Xo injury seems to l>e done inpastures. A system of rotation in which the crop i
Insect pests of farm, garden and orchard . )lants are destroyed. Control.—The only effective means of control suggested issummer following as soon as the hay crop has been field should then be plowed up at once, before the larvaehave transformed to pupse, so that the hot sun, and di-y winds,will dry out the roots of the clover and thus starve the larva*,thereby preventing their developing and migrating to otherfields. Clover fields should not ho allowed to stand over twoyears in infested localities. Xo injury seems to l>e done inpastures. A system of rotation in which the crop is mowed foi- hayand seed the first year, and pastured and then l^roken up thesecond year, should keep the pest under control. The Clover Stem-borerEarly in June one frccpienlly finds (he. it KiG. 14(5.—Clover .stcm-lK)rcr {Tjnnguria mozardi):the eggs natural .size and magnified, thebeetle, larva, and pupa—all much enlarged,and alwve, a clover-stem with the larva atwork in it. (After ) * Quotation.^ from V. M. Wci)ster, The CloverBureau of Entomology, V. S. Dept. Agr. t Languria vwznrdi Vi\\>. I^amily ErotijlidK. b(»etles of the CloverStem-borer here andthere in the clover-field. They are slen-der, shining l)eetles,about one-third of aninch long, witii a redhead and thorax andl)luish-black w i n g -covers. The l)eetlesthemselves seem todo little or no ])e mating overwinter, they lay eggs -root Borer, Circular 110, INSECTS INJURIOUS TO CLOVER 203 in the pith of the stems early in June, and the larva?emerging from these feed upon the pith of the stem, oftenvery seriously weakening or killing it. The larva; become full-grown in a short time, transform to pupie, and the beetles appearby August. Clover is only one of a dozen food-jilants of this ins
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1912
