Acorn cup galls
Andricus grossulariae is a gall wasp species inducing agamic acorn cup galls on oak tree acorn cups and sexual phase galls on catkins. Synonyms include Andricus fructuum (Trotter, 1899), Andricus gemellus (Belizin & Maisuradze, 1961), Andricus intermedius (Tavares, 1922), Andricus mayri (Wachtl, 1879) and Cynips panteli (Kieffer, 1897).
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DiurnalDiurnal animals are active during the daytime, with a period of sleeping or other inactivity at night. The timing of activity by an animal depends ...
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TerrestrialTerrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
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OviparousOviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
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starts withA. grossulariae has been recorded from the United Kingdom, Spain, Belgium, and Israel. A. grossulariae was first seen in Britain in Berkshire in 2000.
As stated, two forms of galls exist for this species, the asexual phase inducing the acorn cup gall on the cups in late summer and the sexual phase inducing rounded galls on the oak catkins in spring.
