Green peach aphids (Myzus persicae) on pepper leaf. Adult wingless females are oval-bodied, 1.2-2.1 mm in body length of light green colour.

Cabbage aphid, winged form. This soft bodied, pear-shaped insect is usually wingless and about 1,16 mm long. The wingless female is pale yellow green. The winged migrant form has a yellowish green abdomen with a dark dorsal blotch. Winged forms migrate to other hosts in late spring. During these migratory flights, aphids may spread virus diseases from infected volunteer plants and weeds to healthy plants.

Green peach aphid (Myzus persicae). Adult wingless females are 1.2-2.1 mm in body length and very variable in colour.

Black bean aphids (A. fabae) colony (nymphs and alates) on leaf of runner bean (Phaseolus coccineus). Note the presence of an attendant ant (Lasius sp.) and, in centre of the picture, a hymenopteran parasitioid ovipositing into the aphids. A. fabae is a dark brownish to matt black aphid. Adults are often bigger than other Aphis spp. Apterae 1.5-3.1 mm, alatae 1.3-2.6 mm.

Groundnut aphid (A. craccivora) colony on cowpea. Apterae are 1.4-2.2 mm long. Alatae (winged form) 1.4-2.1 mm.

Black legume aphid / Groundnut aphid (Aphis craccivora) is a relatively small aphid. Immatures are slightly dusted with wax, adults without wax. Apterae are 1.4-2.2 mm long. Alatae (winged form) 1.4-2.1 mm.

Cotton aphid (Aphis gossypii) is a small aphid. Adults range from just under 1-1.5 mm in body length.