Eggs are deposited in leaf tissue in a slit cut by female. Eggs are colourless to pale white in colour. The nymphs resemble the adults in general body…
will be completed in 25 to 31 days under optimal conditions. In cool dry conditions, larvae may undergo diapause in small cocoon in partially opened…
many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticulture, and in the tropics and…
during the autumn.. Larvae overwinter in the soil, usually in the third instar stage. and start feeding again in spring. They become active again and…
is dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild…
thrips (Thrips tabaci) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal…
(Frankliniella occidentalis) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The…
Potato virus Y (PVY) is transmitted by aphids in tomato in this way, as is the cucumber mosaic virus (CMV) in cucumber. Solution Finder Find solutions…
shore flies are mainly a problem in greenhouses. Their larvae live in the ground and prefer moist substrates that is rich in organic matter. Although…
The life cycle is completed in 15 to 20 days in summer and 45 to 60 days in winter. It has several generations per year and in extreme winter the…
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