Some species of aphids are reported to bite people in nature, particularly large aphids such as the soldiers of eusocial forms. But generally this is rare. Anyway, it is not common, and the bite effects are not very relevant. Plus, no known disease or parasite is vectored from aphids to humans.
What essential oils get rid of aphids?
In a small spray bottle, pour equal amounts of rosemary oil, clove oil, peppermint oil and thyme essential oil. Fill the rest of the bottle with water and shake well. Thoroughly spray an entire plant that’s infested with aphids. The active compounds within these essential oils kill adult aphids, nymphs and eggs.
What insects are harmful?
The corn earworm is a harmful insect to the farmer’s crop. Other insects such as corn rootworms, aphids, grasshoppers, cutworms, and spider mites can damage crops and reduce the farmer’s yield. Insects may eat grains, roots or leaves and weaken plants. Insects can also land on livestock and bite them.
Which insects are pests and harmful to us and why?
Agricultural and domestic arthropods
Examples of agricultural and horticultural insect pests include: aphids and other Hemipteran pests, thrips,
Ants, cockroaches, flies and wasps.
Termites, woodworm and wood ants cause structural damage.
Bookworms, silverfish, carpet beetles and clothes moths cause non-structural damage.