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It should be possible to design agroecosystems to reduce the severity of insect pest problems. Ecological theory about stability should be relevant wh...

Flight phenologies of the migrant aphid Rhopalosiphum padi, as indicated by suction trap catches throughout France in 1978-88, were compared using mul...

An anholocyclic clone of Rhopalosiphum padi was reared on leaves of barley seedlings at 20°C in LD 16:8. First-instar nymphs and newly moulted, pre-re...

A study was carried out in the UK in 1982-84 of 5 passerine bird species in four plots (70 ha), two of which were sprayed at 300 g/ha with fenitrothio...

Further observations in Britain [cf. RAE/A 60, 2745] showed that the net annual production of lime saplings (Tilia vulgaris) was 23.4 g dry matter/sap...

The evidence for the suggestion that smoke pollution is the main selective factor determining melanic frequencies of the polymorphic Adalia bipunctata...

The author has found that the stages in the ovarian cycle of female of Hylemya (Erioischia) brassicae (Bch.) can be numbered in a similar way to that ...

The view of post-mining sites is rapidly changing among ecologists and conservationists, as sensitive restoration using spontaneous succession may tur...

Spiders were sampled, by suction (D-vac) and direct counts of their webs, in a controlled sheep-grazing experiment on calcareous ex-arable land and in...

Sample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...