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Summary of the Molluscs and Non-insect Arthropods on Field Meetings 1996

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Summary of the Molluscs and Non-insect Arthropods on Field Meetings 1996

	Beast Cliff	Deepdale Wood	Whitecliff Wood	Kildale Wood	Sinning- ton area	Hawnby area
Freshwater Molluscs
Potamopyrgus jenkinsi				*		*
Lymnaea truncatula	*	*		*
L. peregra					*
Ancylus fluviatalis				*
Pisidium casertanum					*
P. personatum						*
P. hibernicum	*
Terrestrial Molluscs
Acicula fusca	/
Carychium minimum	*		*	*
C. tridentatum	*		*	*
Oxyloma pfeifferi				*
Cochlicopa lubrica	*	*	*	*
Columella edentula	*		*	*
Leiostyla anglica	*
Lauria cylindracea	*		*	*	*
Acanthinula aculeata	/		*	*
Spermodea lamellata	*		*	*
Punctum pygmaeum	*		*	*
Discus rotundatus	/		*	*	*	*
Arion ater	/	*	*	*		*
A. subfuscus		*	*	*
A. circumscriptus	/	*	*	*
A. silvaticus				*	*
A. fasciatus		*
A. distinctus		*	*	*		*
A. intermedius	*		*	*		*
Vitrina pellucida	/		s	*
Vitrea crystallina	*		*	*		*
Nesovitrea hammonis	/	*	*	*
Aegopinella pura	*		*	*
A. nitidula	*		*	*	*
Oxychilus cellarius	*		*	*		*
O. alliarius	/		*	*	*	*
Zonotoides excavatus				*
Boetgerilla pallens			*
Limax maximus	/			*		*
L. marginatus	*
Deroceras laeve	*	*		*
D. reticulatum		*	*	*	*
D. caruanae		*	*
Euconulus alderi				*
E. fulvus	*		*	*
Cochlodina laminata	*	*	*			*
Clausilia bidentata	/		*	*	*	*
Balea perversa					*
Cernuella virgata					*	*
Monacha cantiana					*	*
Ashfordia granulata		*	*
Trichia striolata	/	*	*		*	*
T. hispida	*			*	*	*
Arianta arbustorum	/	*	*		*
Cepaea nemoralis	/				*
C. hortensis	/		*			*
Helix aspersa					*
Millipedes and Centipedes
Glomeris marginata	/		*	*		*
Nanogona polydesmoides						*
Ommatoiulus sabulosus	/
Tachypodoiulus niger	*	*	*			*
Cylindroiulus punctatus	*	*	*	*	*	*
Julus scandinavius	*		*	*		*
Polydesmus angustus			*	*
Strigamia acuminata	*
Geophilus carpophagus					*
Lithobius forficatus		*	*
L. macilentus				*
L. crassipes	*
L. curtipes				*
Woodlice
Trichoniscus pusillus	*		*
Oniscus asellus	/	*	*	*	*	*
Philoscia muscorum	*	*	*	*	*	*
Armadillidium vulgare		*
Porcellio scaber			*	*
Harvestmen
Nemastoma bimaculatum	/			*		*
Paroligolophus agrestis	/
Rilaena triangularis	*
Leiobunum rotundum	/				*

/=records collected 31.8.94 s=molluscan record for empty shells only

I am grateful to Dr. M. P. Kerney, Natural History Museum of London for identifying species of Pisidium, and to Mr. D. Richardson, myriopod recorder for the Yorkshire Naturalists’ Union, for confirming identification of specimens of the centipedes Lithobius curtipes and L. macilentus

References

Barber A.D.and Keay A. N., Provisional Atlas of the Centipedes of the British Isles, Institute of Terrestrial Ecology, Abbots Ripton, 1988

Holyoak D.T., ‘Effects of Atmospheric Pollution on the Distribution of Balea perversa (Linnaeus) in Southern Britain’, J. Conch., London, 29: 319-323, 1978

Kerney M. P., Atlas of the non-marine Mollusca of the British Isles, Institute of Terrestrial Ecology, Abbots Ripton, 1976

Moore A. J., ‘Acicula lineata (Drap.) at Beast Cliff, near Hayburn Wyke, Scarborough’, Naturalist, London, 649:108, 1911

Wynne G., ‘Biodiversity Challenge: an Agenda for Conservation in the UK, RSPB, Sandy, 1993

Tony Wardhaugh

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