Search by affected crop [→ Sternorryncha pests on Brassicaceae]

Order: Sternorryncha (aphids, whiteflies)

Adult

Small, plump bodied insects with small heads

Immature

Small, plump bodied insects with small heads; nymphs and adults of aphids vary in color from yellow to green to nearly black

Picture	Scientific name	Common name	Description
		Aphids	Insects vary in size from 2-4 mm. The color varies from green to black. Nymphs are without, adults with wings. They can vector several plant viruses. Leaves are curled and wrinkled, if infestation is severe plants may die.
	Aphis craccivora	Cowpea aphid	Cowpea aphids are tiny insects with shiny black to dark brown bodies and brown to yellow legs. Plants become stunted and deformed when populations are high. They can vector diseases. Aphids are often associated with ants.
	Bemisia sp.	White fly	Larvae are tine (0.2-0.7 mm) scale-like insects. Adults are yellow/white. Feeding causes chlorotic spots on leaves.
- no photo available -		Mealybugs	Scale insects, have often a symbiotic relationship with ants. Adults have glossy white wax threads extend from the body.
Picture	Scientific name	Common name	Description