R. J. Chambers, T. H. L. Adams, Quantification of the Impact of Hoverflies (Diptera: Syrphidae) On Cereal Aphids in Winter Wheat: An Analysis of Field Populations, Journal of Applied Ecology, Vol. 23, No. 3 (Dec., 1986), pp. 895-904
No takes yet. Share an insight, caveat, or question.
Chambers et al. (1986) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: