Fenusinae
Guides
Fenusella nana
Early Birch Leaf Edgeminer
Fenusella nana is a Palearctic sawfly species in the family Tenthredinidae. It occurs throughout the British Isles and has been recorded across continental Europe including Belgium. The species is commonly known as the Early Birch Leaf Edgeminer, indicating its association with birch foliage. As a member of the subfamily Fenusinae, it exhibits the typical sawfly characteristic of a broad connection between the thorax and abdomen, lacking the narrow 'wasp waist' of Apocrita.