Hymenoptera (bees, ants, wasps, sawflies) is one of four insect orders with more than 100,000 described species. Above are three hymenopteran fossils. (Photos University of California Museum of ...

Insects are often seen as invaders due to high-profile species like the yellow-legged (Asian) hornet, the harlequin ladybird and fire ant. But new research reveals insects are also major victims of ...

Japanese beetles are an unwelcome sight, but many other garden beetles are good bugs worth welcoming to your yard.

Beetles, members of the insect order Coleoptera, comprise the most diverse macroscopic organismal group in the terrestrial ...

Introduction -- Dichotomous keys -- External anatomy -- Insect development -- Taxonomic terminology -- Taxonomy, classification, and nomenclature -- Phylum Arthropoda ...