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Following the latest government announcement concerning the current Covid-19 pandemic the Society headquarters at Mansion House has now closed.

Where possible emails will be monitored, any urgent enquiries should be forwarded to info@royensoc.co.uk

Membership applications will be put on hold until further notice.

Our "identify that insect" service will continue, but our Director of Science cannot accept any physical samples to inspect during this time. identifythatinsect@royensoc.co.uk

Our Librarian will not have access to our collections from home, but will be happy to try and locate references available to download from the internet. val@royensoc.co.uk

All events and meetings have been cancelled until further notice https://www.royensoc.co.uk/events

We hope that everyone stays well and we hope that normal business can resume soon for everyone, thank you for your understanding during this difficult time that the world finds itself in.

Kirsty Whiteford - Registrar

Keys to adults of the water beetles of Britain and Ireland (Part 1)

Water beetles part 1 cover

RES Handbooks for the identification of British Insects. Volume 4 part 5 (2nd Ed)

Garth N. Foster and Laurie E. Friday, 2011, 144pp.

Illustrated keys are provided for the families, genera, species and other taxa of British and Irish Hydradephaga. The Hydradephaga comprise the Gyrinidae, Haliplidae, Noteridae, Paelobiidae (also known as Hygrobiidae) and the Dytiscidae. Colour plates are provided of all the species. Notes include characters for distinguishing the sexes, some basic information on biology and collecting methods, and reviews of distributions in Ireland and Britain, including the Channel Isles.

£24.00

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