aphids , the rice root aphid appears in both winged and wingless forms. The wingless form is dark olive-green, with a round body 1.4–2.4 mm long. It…
temperate regions across Asia, Europe and North America. Azaleas vary widely in form and appearance. They can grow as low ground cover 30 centimetres…
the side roots are formed or through other similarly damaged spots. On the infected plant, new sporangia with zoospores are formed, that allow the…
Potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is…
Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is…
male nymph forms a dark brown ‘prepupa’ from which a pupa rapidly develops, inside a white cottony cocoon. Females undergo little changes in form,…
small flies with dark bodies and legs. When the flies mate, adult males will form swarms in areas with still air out of direct sunlight where they…
shallot aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses,…
o aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction…
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