. Insect pests of farm, garden and orchard . o, but more commonlythey cause an enfeebled growth and a consequent failure to pro-duce profitable crops. Injury has been most severe in the grape belt * Fidia viticida Walsh. Family Chrysomelidce. See Quaintance, ;Hartzell, ; M. V. Slingerland, Bulletins 184, 208, 224, and , CornellUniv. Agr. Exp. Sta.; E. P. Felt, Bulletin 19, Office State Ent. of N. Y.;Fred Johnson, Bulletin 68, Part VI, Bureau Entomology, U. S. Dept. Agr.;Johnson and Hammar, Bulletin 89, ibid. 502 INSECT PESTS OF FARM, GARDEN AND ORCHARD Fig. 360.—Grape root-worm {Fi
. Insect pests of farm, garden and orchard . o, but more commonlythey cause an enfeebled growth and a consequent failure to pro-duce profitable crops. Injury has been most severe in the grape belt * Fidia viticida Walsh. Family Chrysomelidce. See Quaintance, ;Hartzell, ; M. V. Slingerland, Bulletins 184, 208, 224, and , CornellUniv. Agr. Exp. Sta.; E. P. Felt, Bulletin 19, Office State Ent. of N. Y.;Fred Johnson, Bulletin 68, Part VI, Bureau Entomology, U. S. Dept. Agr.;Johnson and Hammar, Bulletin 89, ibid. 502 INSECT PESTS OF FARM, GARDEN AND ORCHARD Fig. 360.—Grape root-worm {Fidia vilicola Walsh): beetles feedingfoliage—natural size, and enlarged. (After Slingerland.) INSECTS INJURIOUS TO THE GRAPE 503 of western New York, Pennsyhania, and northern Ohio, but thespecies occurs generally throughout the Mississippi \alley andthe Eastern States, and has been reported from CaKfornia. Theinsect thrives best in vineyards which are neglected, and in theabsence of cultivation and timely spraying it is likely to become. Fig. 361.—The life cycle of the grape root-worm—enlarged and natural size-(After Slingerland.) a serious pest in any vineyard throughout its range of distribu-tion. This is especialh the case in light, sandy soils and in regionswhere grape growing is a considerable industry. A nearlyrelated species,* has been known to seriously injure the foliagein Texas, but it is not known whether it affects the roots. In * Fidia cana. 504 INSECT PESTS OF FARM, GARDEN AND ORCHARD California, the imported grape root-worm * is sometimes destruc-tive, has practically identical habits, and is controlled by thesame methods. The adult beetle is about one-quarter inch long, brownish incolor, and covered with grayish-white hairs, with a stout bodyand long legs, as shown in Fig. 360. The full-grown larva is about
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