And Pharaoh called for Moses and for Aaron,.... He and his people not being able to endure this plague of flies any longer; and we read in profane history of such creatures being so troublesome, that people have been obliged to quit their habitations, and seek for new ones; so Pausanias relates of the inhabitants of Myus, that such a number of flies rose out of the lake, that the men were obliged to leave the city, and go to Miletus; so Aelian reports, that the inhabitants of Megara were driven from thence by a multitude of flies, as were the inhabitants of Phaselis by wasps, which creatures also might be in this mixture of insects:and said, go ye, sacrifice to your God in the land; that is, in the land of Goshen, in the place where they were; he was willing to allow them the liberty of sacrificing to their God, which it seems they had before; but then he would not consent they should go out of the land to do it.
Achaica, sive l. 7. p. 400. De Animal. l. 11. c.