What does an egg sac look like?
Tarantula egg sacs come in two types:
Most New World and Asian tarantulas produce a spherical cocoon which is carried about by the female. This type looks like a small white ball.
Most African species (except Hysterocrates and Phoneyusa) produce a fixed egg sac which is incorporated into the retreat’s webbing. This type looks like a thick, white hammock and is usually sat over by the female (as in photo below).
How long will an egg sac take to ‘hatch’?
Typically between 1 and 4 months. It depends on the species involved and the temperature at which the egg sac is kept.