two types of aphid species: those that change to other host plants in the winter, and those species that do not. Species that alternate between host…
Northern corn rootworm eggs remain dormant in the soil through fall and winter until late spring/early summer (univoltine diapause). The white,…
aphid usually overwinters on rose bushes in the egg stage, although in mild winter some adults may continue to reproduce parthenogenetically. Large…
sheltered places and greenhouses. Numbers of this aphid can build up even in winter and early spring when temperatures are still low. Winged forms are…
s in one year. The European red mite overwinters in the egg stage; the “winter eggs” are laid in the wooden parts of the host plants in autumn. Damage
potato aphid manifests both anholocyclic (no eggs are laid) and holocyclic (winter eggs are produced) lifecycles. There is no alternation of hosts,…
the summer, the life cycle takes about six weeks to complete and in the winter about 12 weeks. Damage symptoms Mealybugs inflict damage on the crop in
many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy host plant, the peach tree, is native, however it is now a pest…
for ten to fourteen days, or three to five months in areas with very cold winters. The pupae measure around 18 mm and have a slightly shiny brown…
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