Exodus 8:3
kneading troughs <04863> [kneading troughs. or, dough.]
Exodus 8:21
swarms of flies ......................... flies <06157> [swarms. or, a mixture of noisome beasts, etc.]
The word {arov} is rendered [kunomwea,] kunomuia,] the dog-fly, by the LXX. (who are followed by the learned Bochart,) which must have been particularly hateful to the Egyptians, because they held dogs in the highest veneration, under which form they worshipped Anubis.
