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From issue:   Issue:   British Wildlife 33.1 October 2021

The flower-visiting insects associated with old trees and dead wood

By - Steven Falk, Emma Gilmartin

In 2020, the Woodland Trust commissioned a review of the flower-visiting insects associated with old trees and dead wood, and here Steven Falk and Emma Gilmartin provide an overview of the key insect groups that fall into this category, highlighting some of the rarest and most spectacular species found in Britain. 

Pollinating insects and saproxylic insects, two large ecological assemblages, are the subject of considerable conservation concern on account of demonstrable species decline and loss within each category. There could be as many as 6,000 species of flower-visiting insect in Britain (Falk, unpublished data) and the number of saproxylic insect species is at least 2,000 (based on Alexander 2002, adjusted for additional species).

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"British Wildlife is the pulsating heart of the UK nature conservation movement."

Matthew Oates, National Trust

"The most important and informative publication on wildlife of our times"

Michael McCarthy, The Independent

"Packed with readable, thoughtful, up to date articles; written by ecologists and naturalists for ecologists and naturalists"

Nick Baker, Presenter and Naturalist