Ecology of interactions between weeds and arthropods

Summary

This review examines the ecological relationships between weeds and arthropods in agricultural systems, demonstrating that weeds function as direct food sources and habitat providers for arthropods, whilst simultaneously serving as alternative hosts for both pest and beneficial species. The authors argue that understanding these interactions is critical for developing effective integrated pest management strategies, particularly area-wide programmes targeting mobile pests, and discuss how habitat management to promote arthropod diversity may offer biological control benefits, though their consequences remain difficult to predict on a multispecies basis.

Regional applicability

The findings are applicable to United Kingdom agriculture, particularly relevant to arable and horticultural systems where integrated pest management is practised. The principles of weed-mediated arthropod population dynamics and habitat management for beneficial insect conservation are transferable to UK conditions, though specific arthropod species and weed assemblages would differ.

Key measures

Not applicable for narrative review; discussion of weed roles as food sources, alternative hosts, and habitat for arthropod populations; effects on crop competitiveness and pest/beneficial arthropod maintenance

Outcomes reported

The review synthesises ecological interactions between weeds and arthropods in agricultural systems, examining how weeds serve as food sources, alternative hosts, and habitat for both pest and beneficial arthropods. It explores the implications of these interactions for integrated pest management (IPM) and agroecosystem diversity.

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