Experimental & Applied AcarologyMarch 1989, Volume 6, Issue 2, pp 177–178 | Cite asBook reviewAuthorsAuthors and affiliationsN. R. WebbArticle 16 Downloads This is a preview of subscription content, log in to check access.Copyright information© Elsevier Science Publishers B.V. 1989Authors and AffiliationsN. R. Webb11.Institute of Terrestrial EcologyFurzebrook Research StationWareham DorsetUK