• Title: NatureScot Commissioned Report 596: Status of five BAP species of diptera (flies) in Scotland
• Summary:Data on known species ranges for each of the five BAP species were assembled from museum collections, publications, databases and liaison with experts. Of the five BAP flies, the pine heartwood clusiid fly appears to be the most severely threatened. A high priority is therefore suggested of a detailed assessment of the status and distribution of the only extant population discovered. This should be based on adult flies during the flight period and, particularly, empty puparia from late summer onwards. Within its central Perthshire stronghold, a similar study of dead birch and populations of the large birch lance fly is suggested as a second priority. A dedicated project is needed to investigate the basic ecology and requirements of the mountain dance fly. Discovery of extant populations is a suggested next step for the splinter flies, but the latter two projects are perhaps of a lower priority than work suggested for the clusiid and lance fly.
• Description:Commissioned Report

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Summary: Data on known species ranges for each of the five BAP species were assembled from museum collections, publications, databases and liaison with experts. Of the five BAP flies, the pine heartwood clusiid fly appears to be the most severely threatened. A high priority is therefore suggested of a detailed assessment of the status and distribution of the only extant population discovered. This should be based on adult flies during the flight period and, particularly, empty puparia from late summer onwards. Within its central Perthshire stronghold, a similar study of dead birch and populations of the large birch lance fly is suggested as a second priority. A dedicated project is needed to investigate the basic ecology and requirements of the mountain dance fly. Discovery of extant populations is a suggested next step for the splinter flies, but the latter two projects are perhaps of a lower priority than work suggested for the clusiid and lance fly.

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Record Creation Date: 21st August 2019 14:30

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Original Source: Commissioned Report

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Keywords: Scottish yellow splinter fly, Lipsothrix ecucculata, northern yellow splinter fly, Lipsothrix errans, mountain dance fly, Rhamphomyia hirtella, large birch lance fly, Lonchaea ragnari, pine heartwood clusiid fly, Clusiodes geomyzinus

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Description: Commissioned Report

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Author: The Malloch Society

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