![]() During spring and summer, aphids can be abundant.Aphid feeding distorts and stunts plants, produces honeydew that supports sooty mold fungi, and can vector plant viruses.Aphids are small, soft-bodied insects that suck sap from plant tissues.16. This color-aphid has been infected and killed by the entomopathogenic fungus Beauveria bassiana. 15. Parasitic wasps parasitize aphid bodies turning them dark in color (upper left) a wasp pupates within the aphid body, turning it into an enlarged mummy (upper right) and a new adult wasp emerges from the aphid leaving an exit hole in the hold aphid body (bottom).įig. ![]() 14. Aphid predators include: damsel bug (top left), syrphid fly larva (top right), predatory midge (bottom left), and lacewing larva (bottom right).įig. 13. Lady beetle adults often lay eggs (left) near aphids so that larvae (right) will have food available when they hatch.įig. Mosaic virus symptoms can also occur on fruits, such as squash (right).įig. 12. Mosaic virus symptoms on a pumpkin leaf (left). 11. In non-persistent transmission, aphids need only very short feeding times (usually fom tissues near the surface of leaves) to obtain the virus on their mouthparts.įig. Aphids also feed on stems (boom left) and fruit (bottom right).įig. 9. Aphid infestations can cause leaves to curl (top lefT) and/or become yellow (top right). 7. Cabbage aphids (Brevicoryne brassicae)įig. Potato aphid (Macrosiphum euphorbiae)įig. 4. Green peach aphid (Myzus persicae)įig. 3. Winged form of an adult green peach aphid.įig. When aphids molt, white "skins" are left behind.įig. 1. A green peach aphid giving birth to live young (vivipary).įig.
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