Corixidae

Water boatman active under the ice in March at Glenmore Reservoir, Calgary, Alberta

Corixidae is a family of aquatic insects in the order Hemiptera that inhabit ponds and slow moving streams, where they swim near the bottom. There are about 500 known species worldwide, in 33 genera, including the genus Sigara.

Members of the Corixidae are known in the United States as water boatmen, a term that is sometimes used in the United Kingdom for Notonecta glauca, a bug of a different family, Notonectidae, and Corixa punctata is the "lesser water boatman".

单词	Corixa
释义	Corixa 英语百科 Corixidae Corixidae is a family of aquatic insects in the order Hemiptera that inhabit ponds and slow moving streams, where they swim near the bottom. There are about 500 known species worldwide, in 33 genera, including the genus Sigara. Members of the Corixidae are known in the United States as water boatmen, a term that is sometimes used in the United Kingdom for Notonecta glauca, a bug of a different family, Notonectidae, and Corixa punctata is the "lesser water boatman".
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