6th International Seminar on Apterygota, Siena, Italy, 13-17 September 2002.

摘要

This special issue contains 24 selected papers presented at the title conference. Individual papers include: Recent advances in Collembola systematics; Fast and efficient discrimination of the Isotoma viridis group (Insecta: Collembola) by PCR-RFLP; Distribution of Protura along an urban gradient in Vienna; Analysis of 18S rRNA gene of Octostigma sinensis (Projapygoidea: Octostigmatidae) supports the monophyly of Diplura; High levels of genetic differentiation between Wolbachia-infected and non-infected populations of Folsomia candida (Collembola, Isotomidae); Evidence for multiple origins of Wolbachia infection in springtails; Ovaries of Petrobius brevistylis (Archaeognatha, Machilidae) and Tricholepidion gertschi (Zygentoma, Lepidotrichidae): morphology, ultrastructure and phylogenetic implications; New data on the aberrant spermatogenesis of Collembola; Sperm winding in Collembola; Changes in collembolan species composition in eastern German mine sites over fifty years of primary succession; Collembola succession on deposits from a chemical factory; Community dynamics of soil Collembola in floodplains of the Upper Rhine Valley; Soil collembolan communities on north- and south-facing slopes of an eastern Mediterranean valley (Israel); Effects of low pH environment on the collembolan Onychiurus yaodai; Indirect biomass estimations in Collembola; Long-term changes in collembolan communities in grazed and non-grazed abandoned arable fields in Denmark; Chemical communication in Ceratophysella sigillata (Collembola: Hypogastruridae): intraspecific reaction to alarm substances; Sexual discrimination with cuticular lipids in Schoettella ununguiculata (Collembola: Hypogastruridae); Spatial distribution of Collembola in presence and absence of a predator; Feeding guilds in Collembola based on digestive enzymes; Do Collembola affect the competitive relationships among soil-borne plant parthenogenic fungi?; Effects of land use on Collembola diversity patterns in a Mediterranean landscape (Portugal); Influence of four soil maintenance practices on Collembola communities in a Mediterranean vineyard; and Effect of season, location and fire on Collembola communities in buttongrass moorlands, Tasmania.