autumn and produce eggs to overwinter) and monoecious (i.e. they do not change their host plant for overwintering). Wingless females are green or…
disperse locally before settling. Once fixed in position, their colour changes to a transparent, light brown and they begin to feed. Damage symptoms…
often arranged in layers. The eggs are greenish at first, but gradually change to a light yellow or almost white. There are six larval stages. The…
the florets. Initially, the pupa is pinkish-white to pinkish-yellow and changes to brown before adult emergence. The adult of the diamond back moth…
20 mm in length, oval, and of a pale brownish-yellow colour that later changes to dark reddish-brown The life cycle of T. pityocampa is normally…
rapidly develops, inside a white cottony cocoon. Females undergo little changes in form, passing through a second and third instar after which they…
their presence in the crop. There are two types of aphid species: those that change to other host plants in the winter, and those species that do not.…
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