Aquatic Insects

New species and generic delimitation of the Afrotropical genera Bugilliesia Lugo-Ortiz & McCafferty, 1996; Cheleocloeon Wuillot & Gillies, 1993 and Delouardus Lugo-Ortiz & McCafferty, 1999 (Ephemeroptera: Baetidae)
pp. 167-186(20)
Authors: Gattolliat, Jean-Luc; Barber-James, Helen; Monaghan, Michael

Variation in morphology between core and marginal populations of three British damselflies
pp. 187-197(11)
Authors: Hassall, Christopher; Thompson, David; Harvey, Ian

Three new species of Rhagovelia in the R. armata group (Heteroptera: Veliidae) from Colombia
pp. 199-211(13)
Author: Padilla-Gil, Dora

Chromosome variability in Chironomus acidophilus Keyl, 1960 from the Afon Goch, UK - a river subject to long-term trace metal pollution
pp. 213-225(13)
Authors: Michailova, P.; Ilkova, J.; Kerr, R.; White, K.

Length-dry mass relationships for a typical shredder in Brazilian streams (Trichoptera: Calamoceratidae)
pp. 227-234(8)
Authors: Becker, Barbara; Moretti, Marcelo; Callisto, Marcos

Epibiotic relationship between two species of suctorians (Protozoa: Suctoria) and Corisella edulis (Heteroptera: Corixidae)
pp. 235-246(12)
Authors: Marino-Perez, Ricardo; Mayen-Estrada, Rosaura