Rhopalosiphum (genus)

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Rhopalosiphum padi adult (click on image to enlarge it)
Author(s): David Cappaert, Michigan State University
Source: IPM Images

Rhopalosiphum Koch, 1854

The genus contains 15-20 species and includes the important cereal pests R. padi and R. maidis. The antennae have 5 or 6 segments and are shorter than the body. The siphunculi are short to medium long and often slightly swollen in the distal half.

Type species: Rhopalosiphum nymphaeae

Currently, the following species have been entered into the system: