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Ant
Atta cephalotes
A New World ant that doesn't eat leaves — it farms fungus on them, in one of the oldest agricultural systems on Earth.
If you've been searching for insects that start with A, you'll find 3 detailed insects below. We're not interested in giving you only a list of names — every entry on this page links to a full profile with the kind of detail you'd actually want to know.
For insects, that means taxonomy, habitat, diet, life cycle, and ecological role.
Table of contents
| Ant | Aphid | Assassin Bug |
List of Insects That Start With A
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Aphid
Aphidoidea (superfamily — many species)
A tiny soft-bodied sap-sucking insect that reproduces astonishingly fast through asexual cloning — the gardener's nemesis on roses, vegetables, and fruit, and the prey ladybugs evolved to control.
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Assassin Bug
Reduviidae (family; approximately 6,800 species)
A predatory true bug that ambushes and stabs other insects with a powerful curved rostrum, injecting saliva that liquefies the victim's tissues — with some species also capable of transmitting Chagas disease to humans.
About insects starting with A
That's our current list of insects starting with the letter A. We add new entries every week — if you have a favorite insect starting with A that isn't on this page, let us know and we'll write it up.
Looking for more? Try insects that end with A, or contain A anywhere in the name.