Part 1 Methods of studying arthropods in trees: Sampling arthropods from tree-crowns by fogging with knockdown insecticide: lessons from studies of oak tree beetle assemblages in Richmond Park (U.K.), N.E. Stork and P.M. Hammon; A review of methods for sampling arthropods in tree canopies, Y. Basset et al; Advances in using the canopy fogging technique to collect living arthropods from tree crowns, W. Paarmann and K. Kerck; Knockdown efficiency of natural pyrethrum and survival rate or arthropods obtained by canopy fogging in Central Amazonia, J.Adis et al. Part 2 Community structure of coleopteran assemblage: Beetle species diversity and faunal similarity in Venezuelan rainforest tree canopies, J. G. Davies et al; Host-specificity and the effective specialization of tropical canopy beetles, N.A. Mawdsley and N.E. Stork; Determinants of species richness in assemblages of canopy arthropods in rainforests, r.L. Kitching et al; Canopy arthropods of coastal Sitka spruce trees on Vancouver island, British Columbia, Canada, N.N. Winchester; The beetle fauna of different tree species in forests of Rwanda and East zaire, T. Wagner; Tree crown beetles in context: a comparison of canopy and other ecotone assemblage in a lowland tropical forest in Sulawesi, P.M. Hammond et al; Patterns of beetle species diversity in castanopsis acuminatissima (fagaceae) trees studies with canopy fogging in midmontane New Guinea rainforest, A. Allison et al; Species-abundance and body-size relationships in insect herbivores associated with New Guinea forest trees, with particular reference to insect host-specificity, Y. Basset; Arthropod biodiversity in New Caledonian forest canopies: a global approach by fogging, E. Guilbert. Part 3 Community structure of non-coleopteran assemblages: Diversity in an Amazonian canopy grasshopper community in relation to resource partitioning and phylogeny, C. Amedegnato; Dipteral tree crown assemblages in a diverse southern temperate rainforest, R. Didham; Diversity and recolonisation dynamics of selected arthropod groups on different tree species in a lowland rainforest in sabah Malaysia, A. Floren and K.E. Linsenmair; Estimation or arboreal and terrestrial arthropod densities in the forest canopy as measured by insecticide smoking, H. Watanabe. Part 4 The biology of canopy arthropods: The ecology and behaviour of arboreal dung beetles in Borneo, A.J. Davis et al. (Part contents).