Solva marginata
A scarce fly associated with dead wood. This one was bred from a pupa collected from beneath the bark of a fallen sycamore tree. Attingham Park, Shrewsbury.
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Finding location...
mgjefferies
says:
From the Essex Field Club web site.
Solva marginata is essentially a fly of southern England, though with scattered records as far north as Yorkshire. It is fairly regular in southern old woods with about 25 known post-1960 sites known to Falk (1991). The species is now known to be less uncommon than previously thought. The larvae develop in the rotten wood or beneath sappy bark of a range of broadleaved trees, especially poplar and aspen, but also including sycamore, oak, ash and walnut. Fallen trees are preferred, though it would appear that live trees with some dead bark can be exploited. Any post mature or dead trees within a site should be retained, ensuring continuity of these in the future.
Posted 19 months ago. ( permalink )