. Manual of vegetable-garden insects. 72). Reference Riley, 1st Rept. State Ent. Mo., pp. 84-85. 1869. The Clover Cutworm Mamestra trifolii von Rottenburg This cutworm ranges throughout the northern hemisphereand has been reported from Chile. It has been especially in-jurious to cabbage in the vicinity of Washington, D. C, and inCanada it has proved destructive to peas and clover. It alsoattacks mangel, turnip, beet, lettuce and spinach. Among its wild food plants are lambsquarters and purslane. Unlike many cutworms,it passes the winter in thepupal stage. The springbrood of moths is on thewing
. Manual of vegetable-garden insects. 72). Reference Riley, 1st Rept. State Ent. Mo., pp. 84-85. 1869. The Clover Cutworm Mamestra trifolii von Rottenburg This cutworm ranges throughout the northern hemisphereand has been reported from Chile. It has been especially in-jurious to cabbage in the vicinity of Washington, D. C, and inCanada it has proved destructive to peas and clover. It alsoattacks mangel, turnip, beet, lettuce and spinach. Among its wild food plants are lambsquarters and purslane. Unlike many cutworms,it passes the winter in thepupal stage. The springbrood of moths is on thewing in May and June andthe second brood in Augustand September. The firstbrood of caterpillars is rel-atively small and does com-paratively less injury. The second brood in August and Sep-tember often proves very, destructive to peas, clover and latecabbage. The mature caterpillar is about 2 inches in length,greenish yellow, mottled with brown and black, and has a broadpinkish band below the spiracles. Pupation takes place inthe Fig. 173. — The clover cutworm moth (X U). CUTWORMS AND ARMY-WORMS 285 The moth has an expanse of li to 1^ inches. The front wingsare yellowish brown marked with gray and dark brown. Theposterior, half of the reniform spot is fuscous (Fig. 173). Ap-parently the eggs of this species have not been described. ReferenceDept. Agr. Canada Eut. Bull. 10, p. 26. 1915. The Bristly CrTWOK:\iMamestra renigera Stephens The range of the bristly cutworm is from Georgia and New]\Iexic() northward to Colorado, Ontario and Nova Scotia. Itis mainly a grass and garden pest, feeding on clover, grasses,turnip, corn, cabbage, chic-ory, comfrey and gardenflowers. It feeds chieflyon the roots. The winter is passed aspartly grown larvfe, whichcause the most serious in-jury in April and May. Thefull-grown caterpillar isabout an inch in length,yellowish gray marked withtwo distinct black lateral stripes. Scattered over the entirebody are many black and yellow bristles —
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