释义 |
diving beetlenounA predatory water beetle which has fringed back legs for swimming and which stores air under its wing cases while diving.- Family Dytiscidae: numerous genera and species, including the great diving beetle (Dytiscus marginalis).
A pond is a little world in itself, he says, home to a dizzying array of creatures from frogs and newts to water boatmen, diving beetles, dragonflies and damselflies....- Predatory insects, such as dragonfly nymphs and diving beetles, may help mitigate bullfrog populations.
- There are some 500 different kinds of predaceous diving beetles in North America, and the largest grow to an inch and a half.
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