Maize aphid

(Rhopalosiphum maidis)

 Symptoms

• Corn leaf aphid, Rhopalosiphum maidis is bluish-green in color (Plate 11), and sucks the sap from the whorl leaves during the vegetative stage of the crop.
• It also feeds on the panicles, and produces honey dew on which the molds grow.
• It also transmits maize dwarf mosaic virus. Damage may result in yellowing, tanning, and drying up of the leaves.

Fig. 1 : Maize aphid