Life History Strategies in Ephemeroptera and Plecoptera.- Life Cycles and Ecology of Some Species of Ephemeroptera from Spain.- A Flexible Larval Development Strategy in Siphlonurus Aestivalis Eaton Exploiting an Unstable Biotope.- The Biological Cycle of Baetis Pentaphlebodes, Ujhelyi 1966, in an Old Meander of the Rhone River, France (Ephemeroptera: Baetidae).- Relationships Between Habitat Dynamics Food Availability, and Growth Patterns Of Ephemerellid Mayflies from Western North America.- Life Cycles of Some Species of Plecoptera in Sierra Nevada (South of Spain).- Ephemeroptera Emergence from a High Mountain Stream in Tyrol, Austria.- Timing and Synchronicity of the Emergence of Ephemera Strigata.- The Life Cycle and Dietary Habits of Illiesoperla Mayi Perkins (Plecoptera: Gripopterygidae) in Victoria, Australia.- Life Histories of Some Ephemeroptera from Victoria, Australia.- Post-Oviposition Development of Eggs of South Australian Mayflies.- Oogenesis and Involvement of Chorionic Structures in Ephem-Eropteran Taxonomy.- Respiratory Rate of Mayfly Nymphs in Water with Differing Oxygen and Ionic Concentrations.- Respiratory Functions of Motile Tracheal Gills in Ephemeroptera Nymphs, as Exemplified by Siphlonurus Occidentals Eaton.- Can Adult Stoneflies Utilize What They EAT?.- Ephemeroptera of the Fiji Islands.- Distribution of Stoneflies in New Zealand.- Transantarctic Relationships in the Plecoptera.- The Australian Mayfly Fauna: Composition, Distribution and Con-Vergance.- Distribution Patterns of North and Central American Mayflies (Ephemeroptera).- The Distribution of Southwest North American Mayfly Genera (Ephemeroptera) in the Mexican Transition Zone.- Distribution of Plecoptera in the Tama-Gawa River System, Central Japan.- Stoneflies (Plecoptera) of South Australia.- Abundance, Altitudinal Distribution and Swarming of Ephemeroptera in Palni Hills, South India.- Ephemeroptera of the Gunnison River, Colorado, U.S.A..- Determinants of the Distribution and Abundance of Larval Ephemeroptera (Insecta) in Hong Kong Running Waters.- The Relationship between Some Physical Factors and Mayflies Emerging from South Duck River and Cowan Creek, Manitoba.- Recurrence of Hexagenia Mayflies Demonstrates Improved Water Quality in Pool and Lake Pepin, Upper Mississippi River.- Detritivorous Stoneflies of an Iron-Rich Stream: Food and Feeding.- Benthic and Hyporheic Faunas of Mayflies and Stoneflies in the Ter Tiver Basin (Ne-Spain).- Intraspecific Variation and Information Content of Drumming in Three Plecoptera Species.- Patch-Specific Variation in Drift Density of Baetis.- Some Aspects of the Ecology of Leptophlebia Vespertina (L.) (Ephemeroptera: Leptophlebiidae).- Prediction of Changes in Ephemeropteran Communities - A Transition Matrix Approach.- The Mayfly-Mussel Association, a New Example from the River Niger Basin.- Neoperla Clymene Revisited: Systematics of the Nearctic Species Complexes (Plecoptera: Perlidae).- The Nymph and Male of Centroptiluminfrequens MCD (Baetidae).- Siphlonurus Ireneae SP. N. from Spain (Ephemeroptera: Siphlo-Nuridae).- A New Genus and Species of Leptophlebiidae: Atalophlebiinae from the Celebes (Sulawesi) (Ephemeroptera).- A Note on the Nymphs of the Genus Notoperla Enderlein 1909 (Plecoptera, Gripopterygidae, Leptoperlinae).- Colonization of a Parthenogenetic Mayfly (Caenidae: Ephemeroptera) from Central Africa.- Size Variation in Kempnyia (Plecoptera: Perlidae).- Intersexuality and Homeotic Manifestation of Secondary Sexual Characters in Baetodes (Ephemeroptera: Baetidae: Baetinae).- Morphological Variability of Tyrrhenoleuctra Minuta (Klapalek, 1903) in South-Spain.
