Aphids usually move very slowly by crawling on their six legs. There are also some types of aphids that have wings that can be used for flying.
50 to 60 aphids a day.
According to the University of Kentucky, one ladybug will eat about 5,000 aphids during it's lifetime.
Aphids (greenfly) suck a plant's sap. Too many aphids on a plant will cause the plant to wilt. Ladybirds are voracious eaters of aphids.
Aphids attack a number of crops and are vectors of many viruses attacking sweetpotato and other crops.
Body chemistry, food source, natural defense, and species memberships are reasons why some aphids are orange. For example, milkweed and oleander aphids (Aphis nerii) have orange bodies with black legs and side tubes (cornicles). The milkweed-like coloration intends to repel predators by warning of unpleasant smells, tastes and textures in store for anyone with milkweed and oleander aphids in mind for meals and snacks.
they mate
you have scale insects on your roses and aphids love scale insects ,spray with white oil or otherwise get a heap of lady birds and they love aphids
Aphids are sexual.
Ladybugs are indeed helpful to humans, because they eat aphids, and aphids are damaging to many plants that we humans like to grow.
Aphids suck sap.
You attract aphids by putting out roses.