Complex sentence: The eggs take quite some time to hatch, and the whole larval stage lasts about 2.0-2.5 yr. Usually, the female lays one egg at a time, but occasionally clutches of eight to 11 eggs are found.
Split into simpler sentences: The eggs take quite some time to hatch, and the whole larval stage lasts about 2-2.5 years. Usually the female lays one egg at a time, but occasionally clutches of 8--11 eggs are found.