Insects injurious to fruits . No. 191.—The Strawberry Crown-borer. TijJoderma fragarioi {RiIey). This is an indigenous insect, a beetle belonging to thefamily of Curculios. The beetle (Fig. 334) appears in June or July, and depositsan egg about the crownof the plant, from which,when hatched, the larvaburrows dowuAvards, Fig. eating into the sub-stance of the it , boringand excavating, until itattains full growth, when it appears as shown at a in thefigure, where it is much niagnified. Tt is about one-fifth of ATTACKING THE LEAVES. 323 an inch long, white, with a horny,
Insects injurious to fruits . No. 191.—The Strawberry Crown-borer. TijJoderma fragarioi {RiIey). This is an indigenous insect, a beetle belonging to thefamily of Curculios. The beetle (Fig. 334) appears in June or July, and depositsan egg about the crownof the plant, from which,when hatched, the larvaburrows dowuAvards, Fig. eating into the sub-stance of the it , boringand excavating, until itattains full growth, when it appears as shown at a in thefigure, where it is much niagnified. Tt is about one-fifth of ATTACKING THE LEAVES. 323 an inch long, white, with a horny, yellow head. It changesto a pupa within the root, from which the beetle escapes dur-ing the month of August. The beetle, shown at 6 and c in the figure, is about one-sixth of an inch long, of a brown color, with several moreor less distinct dark-brown spots, and is marked with linesand dots. Almost all the plants infested with this larva are sure tol)erish, and old beds are said to be more liable to injury thannew ones. The only remedy suggested is to dig up and burnthe plants after the fruiting season is over, and before the larvahas time to pass through its transformation and escape as abeetle. ATTACKING THE LEAVES. No. 192.—The Strawberry comptana Frol. This insect, which is sometimes designat
Size: 2181px × 1146px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorsaunderswilliam183619, bookcentury1800, bookdecade1880