Read more: 15 Flowers You Can Grow To Ward Off Insects Parasitic wasps kill aphids by laying their eggs inside these insects.

Aphid larvae have four juvenile stages, called instars, through which they develop to become adults; newborn aphids are in the first instar. By Day 2, some first instar aphids have grown enough to ...

Parasites attack ladybird pupae and adults. You can investigate this if you take part in the UK Ladybird Parasite Survey. When aphid (greenfly) populations are high, they supply ample food for ...