R. porosum

Rhodobium porosum (Sanderson, 1900)

Yellow rose aphid

blanc 192x128
blanc 192x128

1.2-2.5 mm.
Aphid yellowish to greenish, cornicles ochre-toned, straight and long.
Apterous: antenna with segment III with a dozen rhinaria in a row, cornicles tip often darkened brown and cauda elongate.
Alate: pronounced marginal sclerites present, dorsal patch diffuse or absent, wings venation well marked.

See identification file

Anholocyclic.

Rosa spp and Fragaria vesca (wild strawberry).

Colonies form preferably on the youngest leaves.

Incidences agronomiques

Recent years have seen Rhodobium porosum become strongly present on strawberry crops grown under tunnel. It is a vector of strawberry  viruses. In order to restrict proliferation of colonies, parasitoid release operations are conducted.

Predators

Parasitoids

In this folder

Modification date : 27 August 2018 | Publication date : 02 December 2015 | Redactor : Evelyne Turpeau, Maurice Hullé, Bernard Chaubet