Lancashire and Cheshire (VC58,59,60) Diptera Checklist V4

Introduction
This spreadsheet contains simple lists of all species of Diptera recorded in the three vice-counties 58 (Cheshire), 59 (South Lancashire), 60 (West Lancashire).

The initial list was derived from downloads of VC species lists from the NBN Atlas and IRECORD on 10 and 11 February 2022. Also RECORD, the local biological records centre for Cheshire, kindly supplied their full set of Diptera records for the three VCs as at 10 Feb 2022.

Species names and their allocation to families have been standardised to the British Checklist as updated to January 2020.

Inclusion on this list does not necessarily mean that the original record or records have been verified. Some clearly erroneous records have been omitted from the initial downloads of data.

Further information can be found in the references below, all available via the Northwest Invertebrates website.
Please send details of additions to the list, and of erroneous inclusions and other corrections, to Glenn Rostron (Syrphidae, Dolichopodidae) and Phil Brighton (all other families) at:

bioglenn@gmail.com
helophilus@hotmail.co.uk

All additions should be logged on IRECORD with photographs enabling verification. Some species may require verification of the specimen by a national expert.

Note – 28th July 2025

There are 121 additions since the last update (November 2024) of which 22 are for VC58, 23 for VC59 and 76 for VC60. The latter figure reflects records from the Dipterists Forum field meeting in Lancaster which have been added over the winter. There have also been batches of additions from Tanyptera’s saproxylic surveys (mostly vane trapping) run at several locations, including Nigel Jones’ daytime survey at Combermere Park.

32 species are new to the region as indicated on the “Additions” worksheet.

Bibliography