英语词汇“spangle gall”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

spangle gall

noun

A reddish disc-shaped gall that forms on the undersides of oak leaves in response to the developing larva of a gall wasp. It results from eggs laid in the summer and alternates with the currant gall within the annual cycle.

The wasp is Neuroterus quercusbaccarum, family Cynipidae.

In autumn flat spangle galls form on the back of leaves, the leaves fall and females emerge next spring....

Parasitic wasps lay their eggs in leaves, twigs and buds causing galls such as the spangle gall and oak apple.
Numbers of spangle galls decreased in larger tree populations possibly due to larger numbers of insect parasitoids.

单词	spangle gall
释义	spangle gall noun A reddish disc-shaped gall that forms on the undersides of oak leaves in response to the developing larva of a gall wasp. It results from eggs laid in the summer and alternates with the currant gall within the annual cycle. The wasp is Neuroterus quercusbaccarum, family Cynipidae. In autumn flat spangle galls form on the back of leaves, the leaves fall and females emerge next spring.... Parasitic wasps lay their eggs in leaves, twigs and buds causing galls such as the spangle gall and oak apple. Numbers of spangle galls decreased in larger tree populations possibly due to larger numbers of insect parasitoids.
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