Also found in: Thesaurus.
Any of various insect larvae, especially those of lacewings, that feed on aphids.
(or a′phis) li`on,
the larva of a lacewing, usu. predaceous on aphids.
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|Noun||1.||aphid lion - carnivorous larva of lacewing flies|
larva - the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose