单词	ladybird
释义	ladybird /ˈleɪdɪbəːd / noun British A small beetle with a domed back which is typically red or yellow with black spots. Both the adults and larvae are important predators of aphids. Called ladybug in North America. Family Coccinellidae: several genera and species, including the common European seven-spot ladybird (Coccinella septempunctata). Useful insects include silkworms and ladybirds that predate upon aphids.... There is at least one example where PA accumulated by aphids from their host plant are in turn sequestered by the aphid's predator, ladybird beetles. Many insects, such as ground beetles, hoverflies and ladybirds, can keep pests under control - but not if they've been destroyed by chemical sprays.
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