Rhopalosiphum maidis (Fitch)
Insecta, Homoptera, Aphididae .
Corn leaf aphid, Cereal leaf aphid
Adult: 2-2.2 mm long; body rectangular, dull and very dark green; antennae short; siphunculi small and swollen (*) .
- This aphid develops on the stems and the upper surface of leaves of maize (*) and sorghum, and occasionally on barley and rye.
- A common species in countries with hot climates, thus occurring in France in the Mediterranean region only, where maize is cultivated. Elsewhere, the bird-cherry aphid
(Rhopalosiphum padi) is far more common.
An anholocyclic aphid reproducing parthenogenetically only.
Affected leaves curl longitudinally and aphids excrete vast quantities of honeydew on which sooty moulds develop.
DE: Maisblattlaus ES: Pulgon verde del maiz FR: Puceron vert du maïs IT: Afide allungato verde scuro delle graminacee PT: Piolho verde do milho GB: Corn leaf aphid, Cereal leaf aphid
- Rhopalosiphum maidis (Fitch) (BASF)
Colony on leaf of maize Rhopalosiphum maidis (Fitch) (BASF)
Colony on leaf of maize Rhopalosiphum maidis (Fitch) (Leclant F. / ENSA Montpellier)
Winged individual on leaf of maize Rhopalosiphum maidis (Fitch) (Leclant F. / ENSA Montpellier)
Apterous individuals on leaf of maize
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