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Rabdophaga jaapi
Rabdophaga jaapi is a species of gall midges which forms galls on creeping willow (Salix repens).
From the article Rabdophaga jaapi on Wikipedia (CC BY-SA), quoted section by section
Description
The gall is an enlarged bud on S. repens. It is surrounded with small thickened leaves which have short silver-white hairs. Correct identification of the species of Salix is important for the identification of R. jaapi, because it is similar to R. rosariella, which forms galls on sallows. The gall of R. jaapi can also be positively identified by the single reddish-yellow larva which has a sternal spatula, i.e. ″... a structure on the underside of the thorax of the final (third) instar larva of Cecidomyiidae...″. The species has one generation a year (i.e. univoltine) and the larva hibernates in the gall where it pupates.
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This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 633067.