There's only one female alien
and that's the Queen.
The others are drones.
( Nonny Mouse. -- Scared as a Shitting Scorpion, Thu 5 Oct 2006, 15:12, archived)

some of them are warriors and workers
and they would be female, if they worked in the same way as ants or bees.
( urbane legend i have known the inexorable sadness of pencils, Thu 5 Oct 2006, 16:01, archived)