Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Fig. Fig. 207, Lema trilineata. Fig. 208, a, a, larva;; c, pupa; d, eggs of Lenta 209, DiahroHca iz-punctata: a, egg; b, larva; c, injury in corn-stalk; d, pupa;e, beetle. Fig. 210, Diabrotica longicomis: a, adult; b, pupa; c, larva; rf, same in itscase. F\g,.-211, Diabrotica vittaia. Fig. 212, larva of same. Fig. 213, its THE INSECT WORLD. 217 The genus Galcruca contains a series of rather small, oblongspecies, mostly dirty clay-yellow in color,
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . Fig. Fig. 207, Lema trilineata. Fig. 208, a, a, larva;; c, pupa; d, eggs of Lenta 209, DiahroHca iz-punctata: a, egg; b, larva; c, injury in corn-stalk; d, pupa;e, beetle. Fig. 210, Diabrotica longicomis: a, adult; b, pupa; c, larva; rf, same in itscase. F\g,.-211, Diabrotica vittaia. Fig. 212, larva of same. Fig. 213, its THE INSECT WORLD. 217 The genus Galcruca contains a series of rather small, oblongspecies, mostly dirty clay-yellow in color, and more or less blackmarked or spotted. Of these none is more troublesome than the elm-leaf beetle, Galeriica xatithoinelcena, which is another ofour undesirable importations from Europe. It is rather greenish? yellow when fresh, with two black stripes on the hibernates as a beetle wherever it can find shelter, and attacksthe leaves of elms in spring as soon as they are well grown,eating irregular round holes, so they soon look as if loads ofshot had been fired through them in every direction. The yel-low,
Size: 1900px × 1316px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906
