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The effects of the provision of within-field grass habitats for the overwintering of natural enemies of Aphididae were studied in 1987-90 in the UK. D...

In field trials in the UK, different levels of attack by hymenopterous parasitoids occurred in stem-boring larval Diptera (including Oscinella frit) i...

There is a linear relationship between the timing of the spring migration of both Sitobion avenae and S. fragariae and latitude, due to the effect of ...

The weed flora of the unsprayed field margins of 19 fields in arable crop rotations was studied in Denmark in 1988-92. The farmer determined the crop ...

In field studies conducted in Africa between July 1991 and November 1992, Acacia tortilis, A. nilotica and A. mellifera seeds on the ground suffered g...

Grassland restoration is an important tool for conserving bee biodiversity within agricultural landscapes. Restorations foster increases in local bee ...

Forests of mountain birch (Betula pubescens subsp. tortuosa [B. tortuosa]) in the lower parts of the Abisko valley, northern Sweden, and in the Finnma...

In the early 1990s, birch (Betula pubescens) forests in north-western Norway were damaged by the bud- and shoot-mining larvae of Argyresthia retinella...

With the aim of developing a model for the prediction of Oscinella frit populations, migrating adults were sampled using suction traps at two location...

Over a period of 4 years, insects emerged throughout the year from the uncropped area in a winter-wheat-fallow sequence on Rothamsted Farm, southern E...