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单词 currant gall
释义

Definition of currant gall in English:

currant gall

noun
  • A spherical red or purple gall which forms on the leaves or male catkins of oak trees in response to the developing larva of a gall wasp. It results from eggs laid in the spring and alternates within the annual cycle with the spangle gall.

    The wasp is Neuroterus quercusbaccarum, family Cynipidae

    Example sentencesExamples
    • The wasps appear in April and attack the catkins or leaves, producing the summer currant galls.
    • The black currant gall mites are the small white worm-like creatures between the bud tissues.
    • Look up oak apples, marble galls, currant galls etc. in an insect book - there are over 20 types on oak alone.
    • The effect of this compound on the black currant gall mite and the fungi most common on currants was therefore investigated.
    • Common insects include the San Jose scale, currant borer, and black currant gall mite.
 
 

Definition of currant gall in US English:

currant gall

noun
  • A spherical red or purple gall that forms on the leaves or male catkins of oak trees in response to the developing larva of a gall wasp. It results from eggs laid in the spring and alternates with the spangle gall.

    The wasp is Neuroterus quercusbaccarum, family Cynipidae

    Example sentencesExamples
    • Common insects include the San Jose scale, currant borer, and black currant gall mite.
    • The black currant gall mites are the small white worm-like creatures between the bud tissues.
    • Look up oak apples, marble galls, currant galls etc. in an insect book - there are over 20 types on oak alone.
    • The wasps appear in April and attack the catkins or leaves, producing the summer currant galls.
    • The effect of this compound on the black currant gall mite and the fungi most common on currants was therefore investigated.
 
 
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更新时间:2024/12/23 3:30:02