Table 2.

Spearman correlation coefficients between: adult hoverflies (Syrphidae) from the visual observations (VO), predators, parasitoids and phytophagous insects from the beating tray samplings (BTS)) found in the flower margin (FM) and in the control margin (CM).

Type of Sampling		Arthropod Group	Syrphidae in the FM		Syrphidae in the CM		Predators in the FM		Predators in the CM		Parasitoids in the FM		Parasitoids in the CM
			ρ	p	ρ	p	ρ	p	ρ	p	ρ	p	ρ	p
FM	VO	Syrphidae	−	−	0.192	0.06	0.344	<0.001	−0.025	0.806	0.38	<0.001	0.01	0.92
	BTS	Predators	0.344	<0.001	0.038	0.716	−	−	0.446	<0.001	0.514	<0.001	0.08	0.937
		Parasitoids	0.38	<0.001	0.185	0.072	0.514	<0.001	0.214	0.036	−	−	0.32	0.002
		Phytophagous insects	0.434	<0.001	0.183	0.075	−0.124	0.229	−0.383	<0.001	0.273	0.007	0.122	0.236
CM	VO	Syrphidae	0.192	0.06	−	−	0.038	0.716	0.027	0.793	0.184	0.072	0.126	0.221
	BTS	Predators	−0.025	0.806	0.027	0.793	0.446	<0.001	−	−	0.214	0.036	0.176	0.09
		Parasitoids	0.01	0.92	0.126	0.221	0.008	0.937	0.176	0.086	0.32	0.002	−	−
		Phytophagous insects	0.302	0.003	0.158	0.125	−0.125	0.227	−0.193	0.06	0.129	0.212	0.234	0.022

* Test statistics (Spearman correlation coefficients (ρ) and likelihood ratio (p)) are shown. Significant p values (p <0.05) are shown in bold.