Original sentence: Bees all have two pairs of wings, the hind pair being the smaller of the two; in a very few species, one sex or caste has relatively short wings that make flight difficult or impossible, but none are wingless.The most common type of bee in the Northern Hemisphere are the many species of Halictidae, or sweat bees, though they are small and often mistaken for wasps or flies.They have antennae almost universally made up of thirteen segments in males and twelve in females, as is typical for the superfamily
Edited sentence: Bees have antennae almost universally made up of thirteen segments in males and twelve in females, as is typical for the superfamily.Many species of bees are poorly known.The most common type of bee in the Northern Hemisphere are the many species of Halictidae, or sweat bees, though this may come as a surprise to people, as they are small and often mistaken for wasps or flies.They all have two pairs of wings, the hind pair being the smaller of the two; in a very few species, one sex or caste has relatively short wings that make flight difficult or impossible, but none are wingless