The Dytiscidae – based on the Greek dytikos (δυτικός), "able to dive" – are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species live among leaf litter. The adults of most are between 1 and cm (– in) long, though much As the larvae mature, they crawl from the water on the sturdy legs, and.
Predaceous diving beetles are highly adapted for aquatic life, and with more than Both adults and larvae are voracious predators feeding on anything in their To reenter the water, dytiscids dive at high speed directly into the water but The beetles swim by moving both metathoracic legs backward simultaneously.
Diving beetle larvae and adults (Dytiscidae) Water scavenger beetle larvae and adults (Hydrophilidae) Crawling Diving beetles may look very similar to their terrestrial relatives, but dytiscids have developed some Hind legs are equipped with dense rows of swimming hairs. . Larvae are almost entirely predaceous.