batwhittler's picture

Semudobia skuhravae

Observed: 27th September 2012 By: batwhittlerbatwhittler’s reputation in Invertebratesbatwhittler’s reputation in Invertebratesbatwhittler’s reputation in Invertebrates
Semudobia skuhravae

Insect about 2mm long dissected from a gall fused to the spindle of a birch catkin separating it from the scale and seed.

Species interactions

No interactions present.

Species with which birch catkin gall causer (Semudobia skuhravae) interacts


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Semudobia skuhravae

The gall was certainly caused by the gall midge [Diptera, Cecidomyiidae] Semudobia skuhravae. Check FSC British Plant Gall Keys, Redfern, Shirley & Bloxham, 2nd Edition.

However, the insect shown in the photo is not the causer but a parasitic wasp.