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Cotton aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses…
but don’t fall off. On stems and shoots light stripes form, which then tear, allowing cankers to form. On tomato leaves, water-soaked lesions occur,…
peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is…
colder climates, but they must be grown inside of greenhouses and with other forms of controlled environment agriculture. For this reason most…
from its egg, so that its mines join to form small plates. In various other crops one finds intermediate forms of tunnelling between these ‘plate…
mining between the two layers. The larvae excrete their faeces into the mine forming a visible trail. Pupation occurs inside the mines and tiny adult…
Hemiptera Bugs What are bugs? Heteropteran bugs form a group in the order Hemiptera , a highly diverse group of insects, containing both harmful and…
It only becomes visible after head emergence. The teliospores that are formed on systemically infected seeds then infect neighbouring new seeds. They
, soft scales (family Coccidae) and armoured scales (family Diaspididae) form three important families within the superfamily Coccoidea. This…
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