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 ...
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 ...
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