diving beetle

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diving beetle:

see water beetlewater beetle,
name for aquatic beetles of several families. They should not be confused with water bugs, which are true bugs (order Hemiptera). The predaceous diving beetles (family Dytiscidae) are a large group, widespread in quiet streams and ponds.
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References in periodicals archive ?
Predation of adult large diving beetles Dytiscus marginalis (Linnaeus, 1758), Dytiscus circumcinctus (Ahrens, 1811) and Cybister lateralimarginalis (De Geer, 1774) (Coleoptera: Dytiscidae) on fish fry.
25%) were three the most abundant invertebrate species, while Predaceous Diving Beetles - Cybister sp.
Diving beetles are a very interesting group from a limnological point of view, though rarely appear in large biomasses (Tremouilles et al.
These include the Great Diving Beetle which eats a lot of tadpoles.
James HG: Immature stages of five diving beetles (Coleoptera: Dytiscidae), notes on their habits and life history, and a key to aquatic beetles of vernal woodland pools in Southern Ontario.
A new species of predacious diving beetle, Heterosternuta phoebeae (Coleoptera: Dytiscidae), from the Ozark Mountains of Arkansas.
Big Waters Nature Reserve, on the outskirts of Newcastle, was shown to be rich in invertebrates, with a rare species of diving beetle and hornwort found.
The lesser silver diving beetle, known to survive only in Cheshire and Somerset, has been discovered in ponds alongside the Basford-Hough-Shavington Bypass, near Crewe.
The Great Diving Beetle, found in garden ponds, can draw blood if it bites, and earwigs can use the pincers at the end of their body to nip.
Diving Beetles of the World: Systematics and Biology of the Dytiscidae
Diving beetles live in freshwater and feed on snails, tadpoles and small fish.
Cooperative behavior in sperm is rare, but examples appear across the animal kingdom--from great diving beetles to opossums.