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Aphids

Order Hemiptera: Family Aphididae


Aphids on potatoes are serious pests because of their ability to transmit potato viruses.

Green Peach Aphid (Myzus persicae)

For more information on the description, life history, damage, and management of this pest, click here.

LIFE HISTORY:

Populations peak during July and early August.

DAMAGE:

The green peach aphid is the most important vector of potato leaf roll virus (PLRV). It also vectors potato virus Y (PVY). Both diseases are particularly damaging viruses in solanaceous crops such as potato. See the diseases section of this chapter for more information on PLRV and PVY.

Potato Aphid (Macrosiphum euphorbiae)

For more information on the description, life history, damage, and management of this pest, click here.

LIFE HISTORY:

Generally, populations are highest in spring and fall.

DAMAGE:

The potato aphid may act as a vector for potato virus Y (PVY) and cucumber mosaic virus (CMV). See the diseases section of this chapter for more information on PVY.