Edwardsiana rosae L Rose leafhopper

This widely distributed leafhopper is a common pest of rose; infestations also occur on fruit trees and ornamentals (Rosaceae), and on various other hosts. Infested foliage becomes speckled and bleached, owing to the removal of chlorophyll from the cells; heavy attacks affect growth and often result in premature leaf-fall. The cast-off nymphal skins often remain attached to the leaves and, in the absence of live insects, are a clear indication of the cause of the damage.


This species overwinters in the egg stage. Nymphs occur on the underside of leaves of host plants from spring onwards. They develop through five instars and eventually attain the adult stage in June. The adults are more active than the nymphs and readily fly from the foodplant when disturbed. After mating, eggs are laid and the next brood of nymphs feeds during the summer months. Second-generation adults are active from August to October.


Adult 3.4-4.0mm long, mainly pale yellow, and usually unmarked. Nymph whitish to creamish. NOTE Various other species of Edwardsiana are associated with cultivated plants (especially fruit trees and ornamentals); one species, E. flavescens (F.) is found, occasionally, on potato.

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