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- proper noun A taxonomic
suborderwithin the order Coleoptera— the adephagan beetles.
Sorry, no etymologies found.
The most primitive sub-order of beetles, Adephaga, has the most number of families that are truely aquatic, meaning that eggs and larvae both develop underwater.
The larvae and adults of the suborder Adephaga are predators on other insects and small crustaceans.
Adephagous: belonging to the Adephaga: pentamerous, predatory, terrestrial beetles with filiform antennae and predatory habits: see hydradephagous.
In one section of the order, however, the Adephaga comprising the predaceous terrestrial and aquatic beetles, the larval foot has, like that of the adult, two claws.