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Life tables for populations of Hylemya (Erioischia) brassicae (Bch.) on cabbage crops in Canada [cf. RAE/A 60, 538] and England [50, p. 286] are analy...
Read moreGlobal urbanisation reduces greenery and species richness (biodiversity) and limits opportunities for most children to gain experiences of nature. Dis...
Read moreWhen Callosobruchus maculatus (F.) was provided with the seeds of several varieties of cowpea (Vigna unguiculata) in the laboratory in the UK and was ...
Read moreThe value of a temperature integrator was demonstrated when determining the development of the parasite Aphidius matricariae Hal. on the host Myzus pe...
Read morePopulation models of host-parasite interactions are extended to include insecticide application acting in a variety of ways on pest hosts and/or their...
Read moreSamples of Auchenorrhyncha were collected from fertilized plots in southern England between April 1978 and November 1979. Twenty-nine species were rec...
Read moreThe population dynamics of B. globosus were studied at 5 river sites in the Zimbabwe highveld for between 4 and 28 months. Adult snail abundance, recr...
Read moreThe following is virtually the author's summary. Observations in southern England in 1964-67 showed that the period when most of the Hymenopterous par...
Read moreEffects of intraspecific competition in Callosobruchus maculatus and C. rhodesianus on cowpeas were studied in the laboratory in order to predict whet...
Read moreCriteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...
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