Species Account for Solva marginata
Solva marginata (Meigen, 1820)
Diptera: Larger Brachycera: Xylomyidae
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Taxonomic group: soldier flies and allies (Diptera: Larger Brachycera) - County data
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Status: NS
Essex RDB: Listed
Threat: Regionally Important
Saproxylic species
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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. References
Habitats
Recorded management for locations with Solva marginata
Recorded substrate and hydrology for locations with Solva marginata
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Interpretation of distribution maps