What about females telling other females that they are "bossy", mothers discouraging their daughters from being "such a tomboy", the need to look pretty, etc.

What about females telling other females that they are "bossy", mothers discouraging their daughters from being "such a tomboy", the need to look pretty, etc. These insults work both ways - males use them to encourage other males to adhere to the stereotype, but so do females (in a less direct way perhaps).