Biorhiza pallida f. sexual (Olivier, 1791), (oak-apple causer)


10 May 2018 at OSGR: SU02 in South Wilts, England

Record Summaryabundant fresh Oak Apple galls, on small Oak
Found asSexual gall
Date10 May 2018
Associated organismQuercus robur
OS grid refOSGR: SU02
Lat/Lon50° 60’ N, 1° 60’ W
Vice CountySouth Wilts, VC no: 8
CountryEngland
Voucher10 May 2018[J]
(Please quote this in any queries about this record)

Notes:

Collected for rearing. Galls went mouldy, but adults still emerged.

Started emerging 4th June 18: 2 males, 5th June: 2 males. Mass emergences on warm days following.

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