Rabdophaga rosariella

The gall is a small rosette, most often in an axillary bud on sallows. In Britain sallow usually refers to S. aurita, S caprea, S. cinerea and the hybrids between these species. The rosette leaves are not obviously hairy and the full grown larva does not have a sternal spatula (i.e. a structure on the underside of the thorax of the final (third) instar larva of Cecidomyiidae).^[1] Larvae of R. rosariella are unique as all other known Rabdophaga larvae have a sternal spatula.^[2]

Recorded from Belgium and Great Britain.^[1][3]

Media related to Rabdophaga rosariella at Wikimedia Commons

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