My beardie is about 8 months old and 11" long. Hornworms come in 2 sizes that can grow to 1.5" or up to 4". Are the 4" worms too big to feed my beardie? I'm told that I can feed my beardie 1-2 large hornworms and it'll equal to about the 8 large crickets that I'm feeding daily now- does that sound right?