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Egyptian Journal of Biological Pest Control
Fig. 4 | Egyptian Journal of Biological Pest Control

Fig. 4

From: Biological parameters of two syrphid fly species Ischiodon scutellaris (Fabricius) and Episyrphus balteatus (DeGeer) and their predatory potential on wheat aphid Schizaphis graminum (Rondani) at different temperatures

Fig. 4

Prey-consumption rate of I. scutellaris and E. balteatus at different larval instars (a) and daily consumption of aphids by syrphid larvae (b). The bars are means ± SEM, and the different lowercase letters above each bar demonstrate a significant difference within, while an asterisk above a pair of the bars and data points represents a significant difference between two predator species (P < 0.05)

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