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A field trial was conducted in 1994 near Ketou, Ouemé, Benin, to investigate the efficacy of an oil formulation of the fungal entomopathogen, Metarhiz...

Laboratory and field studies were carried out for 6 years on the ecology of Aedes cantans (Mg.) in southern England. Females oviposited in the leaf li...

Pesticides applied to seeds before sowing may present a high risk to seed-eating birds. Some of these chemicals are highly toxic but are avoided by ca...

Residues of DDE in kestrel eggs collected near Ithaca, New York, averaged 35, 42, 33 and 37 p.p.m. in 1969, 1970, 1971 and 1972, respectively. Based o...

1. Functional and numerical responses are key components in the selection of predators for biological control. We examined the relevance of these resp...

Vehicle pollution is a pervasive aspect of anthropogenic change across rural and urban habitats. The most common emissions are carbon- or nitrogen-bas...

Larval density, size of pheromone-trapped adult males, and survival and parasitism rates in the laboratory of field-collected larvae of Epirrita autum...

Laboratory experiments were carried out to analyse various aspects of spider performance under different diets, focusing mainly on the value of the ap...

Aphid clones that feed on the same plant species for many generations often develop biotypes specifically adapted to the particular host-plant. Such b...

Pesticide concentrations are correlated with regional declines in stream invertebrate diversity. Experimental studies have identified that pesticides ...