stems show long, dark brown streaks. The vascular tissue in the tubers becomes grey-brown and the tuber eyes also turn grey-brown. This disease can be…
brassicae) has grey-brown to black forewings, with a kidney-shaped white-rimmed marking in the middle. The hindwings are light brown with a rather…
predominantly brown-gold with two conspicuous droplet-shaped white marks on the forewing that sometimes overlap each other. The hindwings are brown.…
leaf to turn brown and curl up. A typical indication of an attack of broad mite ( Polyphagotarsonemus latus ), is the appearance of dark brown edges…
the tomato pinworm The eggs are whitish in colour to start with, then turn brown or orange as they develop and can be found on the underside of the…
of up to 1 mm. The body is pale with a clearly visible brown dorsal shield, brown legs, and brown mouthparts. The females are larger than the males,…
dark yellow or brown.The colour of the adults often depends on the crop in which they occur (e.g. on cucumbers they are often yellow-brown, on…
the adult beetle. Adult garden chafers ( Phyllopertha horticola ) have red-brown slightly hairy wings with a dark edge. The neck shield is metallic…
they become brown and brittle. Badly affected tomato leaves and stems lose their trichomes (leaf hairs). Affected stems turn a rusty brown colour, and…
The pupae measure around 18 mm and have a slightly shiny brown colour. The adults have a brown-coloured body, with a wingspan of 35 to 40 mm and a…
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