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Egyptian Journal of Biological Pest Control

Table 4 Host-feeding parameters of S. pyrastri on cabbage aphid, B. brassicae

From: Biology, predatory potential and growth parameters of the syrphid fly, Scaeva pyrastri (L.) (Diptera: Syrphidae) feeding on the cabbage aphid, Brevicoryne brassicae (L.)

Host-feeding parameters

(Mean ± SE)

Net consumption rate (Co)

377.06 ± 26.54

Transformation rate (Qp)

27.22 ± 9.82

Stable host-feeding rate (ψ)

17.85 ± 0.66

Finite host-feeding rate (ω)

19.58 ± 0.78

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