Entomologists' glossary

Side profile of the Bloody nosed beetle (Timarcha tenebricosa). When threatened Bloody nosed beetles exude a noxious red liquid through a process called reflex bleeding, this is how they get their name.

Welcome to our entomological glossary. The glossary contains definitions for over 400 terms relating to entomology, insects and other invertebrates. So, if you don't know your Aculeates from your Zoraptera or your Blues from your Woolly bears then this is the glossary for you.

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