In the Spider Trap

Some spiders hunt by hinding and watching for preys (like Crab Spiders
[Thomisidae]). Others catch them in a kind of race (Philodromids).
The net webbing species are also well known. On the other hand, some of
them lay traps just above leafs and imprudent insects get caught...

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This Marmelade Fly (Episyrphus balteatus) was prisonner, its legs sticking onto deadly yarns. It tried to stand up, to leverage on one leg, then the other.		It also tried to use the force of its wings to free itself from the trap.
		But its efforts were useless. The trap was stronger...
Another fly, a few feet away, had met the same fate on a Photinia.		Elsewhere, on a ivy leaf, a fly (Beris clavipes or B. vellatz (Stratiomyidae)) had been caught.
	Beatings its wings was not enough against the strength of the sticky trap.