BRITISH JOURNAL OF ENTOMOLOGY AND NATURAL HISTORY 



Published by the British Entomological and Natural History Society 



and incorporating its Proceedings and Transactions 



Editor: M. Wilson, Ph.D., F.R.E.S., F.L.S. Department of Biodiversity & Systematic Biology, 

 National Museums & Galleries of Wales, Cardiff CF10 3NP. (Tel: 02920 573263, Fax: 02920 

 239829) email: Mike. Wilson(a) nmgw.ac.uk 



Associate Editor: Richard A. Jones, B.Sc, F.R.E.S., F.L.S. 135 Friern Road, East Dulwich, 

 London SE22 OAZ. 



Editorial Committee: 



D. J. L. Agassiz, M.A., Ph.D., F.R.E.S. T. G. Howarth, B.E.M., F.R.E.S. 



R. D. G. Barrington, B.Sc. I. F. G McLean, Ph.D., F.R.E.S 



P. J. Chandler, B.Sc, F.R.E.S. M. J. Simmons, M.Sc. 



B. Goater, B.Sc, M.I. Biol. P. A. Sokoloff, M.Sc, C.Biol., M.I. Biol., F.R.E.S. 



A. J. Halstead, M.Sc, F.R.E.S. T. R. E. Southwood, K.B., D.Sc, F.R.E.S. 



R. D. Hawkins, M.A. R. W. J. Uffen, M.Sc, F.R.E.S. 



P. J. Hodge B. K. West, B.Ed. 



British Journal of Entomology and Natural History is published by the British Entomological and 

 Natural History Society, Dinton Pastures Country Park, Davis Street, Hurst, Reading, Berkshire 

 RG10 OTH, UK. Tel: 01189-321402. The Journal is distributed free to BENHS members. 



© 2001 British Entomological and Natural History Society. 



Typeset by Dobbie Typesetting Limited, Tavistock, Devon. 

 Printed in England by Henry Ling Ltd, Dorchester, Dorset. 



BRITISH ENTOMOLOGICAL AND NATURAL HISTORY SOCIETY 

 Registered charity number: 213149 



Meetings of the Society are held regularly in London, at the rooms of the Royal Entomological 

 Society, 41 Queen's Gate, London SW7 and the well-known ANNUAL EXHIBITION is 

 planned for Saturday 11 November 2000 at Imperial College, London SW7. Frequent Field 

 Meetings are held at weekends in the summer. Visitors are welcome at all meetings. The current 

 Programme Card can be had on application to the Secretary, J. Muggleton, at the address given 

 below. 



The Society maintains a library, and collections at its headquarters in Dinton Pastures, which 

 are open to members on various advertised days each month, telephone 01189-321402 for the 

 latest meeting news. The Society's web site is: http://www.BENHS.org.uk 

 Applications for membership to the Membership Secretary: A. Godfrey, 90 Bence Lane, Darton, 

 Barnsley, South Yorkshire S75 5DA. 



Subscriptions and changes of address to the Membership Secretary: R. D. Hawkins, 30d 

 Meadowcroft Close, Horley, Surrey RH6 9EL. 



Non-arrival of the Journal, faulty copies or other problems arising from distribution of the 

 Journal or notices to the Distribution Secretary: D. Young, Graylings, School Road, Tunstall, 

 Woodbridge, Suffolk IP12 2JQ. Tel: 01728 688992. 



Orders for books and back numbers of the Journal and Proceedings to the Sales Secretary: G. 

 Boyd, 91 Fullingdale Road, Northampton NN3 2PZ. Tel: 01604 410056. 

 General Enquiries to the Secretary: J. Muggleton, 30 Penton Road, Staines, Middlesex TW18 

 2LD. Tel: 01784-464537. email: jmuggleton@compuserve.com 



Cover illustration: Aguriahana stellulata nymph (Hemiptera: Cicadellidae) 

 photo: M. R. Wilson 



NOTE: The Editor invites submission of photographs for black and white reproduction on the 

 front covers of the journal. The subject matter is open, with an emphasis on aesthetic value 

 rather than scientific novelty. Submissions can be in the form of colour or black and white 

 prints or colour transparencies. 



