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.
醋栗瘿
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.
醋栗瘿
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.