its easy my friend once they eat just make sure they are ready to molt,males always look thinner than the females.
and females has this wider body
just the tipical bark scorpions id you know!
its easy for you because i know you have a lot of nice scorpions!
by the way about the lychas inf. even though it is normal here to have those spp i still havent tried getting one!haha
its a cool scorp,but it is really hard to find though.
by the way you have an awsome collection!
here is a pic of a sure male c.gracilis that i have still now,it is in l7 now