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Water spider
water spider (?). (Zool.) (a)An aquatic European spider (Argyoneta aquatica) which
constructs its web beneath the surface of the water on water plants. It
lives in a bell-shaped structure of silk, open beneath like a diving bell,
and filled with air which the spider carries down in the form of small
bubbles attached one at a time to the spinnerets and hind feet. Called also
diving spider. (b) A water mite.
(c) Any spider that habitually lives on or about the
water, especially the large American species (Dolomedes lanceolatus)
which runs rapidly on the surface of water; -- called also raft
spider.
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