fig wasp

noun
a chalcid wasp, Blastophaga psenes, introduced into the U.S. from Europe, that pollinates figs, usually of the Smyrna variety.

Origin:
1880–85

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Britannica
Encyclopedia

fig wasp

any of about 900 species of tiny wasps responsible for pollinating the world's 900 species of figs (see Ficus). Each species of wasp pollinates only one species of fig, and each fig species has its own wasp species to pollinate it. This extraordinary diversity of coevolution between figs and wasps has become so profound that neither organism can exist without the other

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Fig trees only bear fruit thanks to something called a fig wasp.
The opening is used by a special fig wasp known to be needed for pollination in the case of edible figs.
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