BRITISH JOURNAL OF ENTOMOLOGY AND NATURAL HISTORY 

 VOLUME 7, PART 4, OCTOBER 1994 



ARTICLES 



129 Factors affecting habitat preferences in the Lepidoptera. M. Majerus, A.-L. Grigg, 

 C. Jones, F. Salmon, A. Strathdee and N. Dearnaley 



139 Ants feeding directly on plant sap. R. A. Jones 



181 Hawk-moths in Hong Kong, April 1993, with ecological notes. P. Waring, R. C. Thomas 

 and K. H. K. Li 



SHORT COMMUNICATIONS 



180 Pandivirilia {Psilocephala) melaleuca (Loew) (Diptera: Therevidae) new to Gloucestershire. 

 K. N. A. Alexander 



191 Some sawfly host plants not listed by Benson. A. J. Halstead 



PROCEEDINGS AND TRANSACTIONS 



141 Editorial. Long series not welcome 



145 1993 Annual Exhibition, Imperial College, London SW7— 30 October 1993 



145 British butterflies 165 Diptera 178 Orthoptera 



149 British Macrolepidoptera 167 Coleoptera 178 Neuroptera 



154 British Microlepidoptera 173 Hemiptera 178 Reptilia 



159 Foreign Lepidoptera 175 Hymenoptera 178 Illustrations 



BOOK REVIEWS 



138 The butterflies of Berkshire, Buckinghamshire and Oxfordshire 



140 The bee genera of North and Central America (Hymenoptera: Apoidea) 



