white or yellow spots. Eggs are oval and black to greenish brown and laid singly or in rows of 3 to 10 eggs, standing perpendicularly on the branches…
Pupae are white to cream coloured and 7 - 10 mm long. Outdoors there is a single generation each year. A population of black vine weevils consists…
stages: egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent white.…
the first generation adults appear from mid May onwards. Eggs are laid singly on leaves or developing fruitlets and hatch after 10-14 days. The first
often live in rolled-up leaves. Although some species are restricted to a single crop, most are polyphagous. Find solutions for caterpillars in your…
green, shiny, dome-shaped with 28 to 32 vertical ribs. They are deposited singly or in pairs throughout the crop, on the lower and upper surfaces of…
Life cycle and appearance In Europe, the western corn rootworm produces a single generation each year. The pest overwinters in the soil in the egg…
between the adults and larvae of this genus, they are usually treated as a single group, sharing similar habits and biology. The larval stages of…
spot virus (INSV). Both viruses affect a wide range of plants, and often a single host plant may be infected by both viruses. Solution Finder Find…
mainly fly at night, but can sometimes be seen in the daytime. Eggs are laid singly or in groups of 5 to 10 eggs, overlapping in a tile-like fashion…
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