Chainsaws, rotten wood and cages: the efforts to save the pine hoverfly | Scottish Natural Heritage – an Education Scotland Outdoor Learning Partner

Athayde Tonhasca discusses the conservation efforts to protect one of Scotland’s most endangered species.

The pine hoverfly (Blera fallax). © Steven Falk

The ephemeral habitat of the pine hoverfly  

In a mature Scots pine forest, trees are often infected by the heart rot fungus Phaeolus schweinitzii, which decays and softens the tree’s heartwood and creates internal cavities (or rot holes). These weakened trees may topple down or break with the effects of wind and storms. This natural wood-felling process is important for rejuvenating the forest by allowing plant succession, and it…

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