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.…
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…
tissue in an upright position, and large numbers of eggs may be found on a single spot. Nymphs are green or dull orange. First instar nymphs are…
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…
hatch if they remain moist, and creamy-white larvae (3–9 mm long) with a single pair of dark mouth hooks typically emerge from the eggs within 24…
are initially yellow or pale green and later darken. They are deposited singly or in small groups of two or ten eggs on both the upper and lower…
can be found in a variety of habitats throughout the world. Aphids form a single, very large group of insects: the super- family Aphidoidea, belonging…
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