HORIZONTAL LARVAE. “My alternative theory, horizontal transfer of larval form, does not postulate that larvae have altered very little or become superficially more similar as their corresponding adults have evolved striking differences.”
https://books.google.es/books?hl=en&lr=&id=4Bv_CAAAQBAJ&oi=fnd&pg=PR3&dq=evolution+of+larval+stage&ots=Ajv40BxpV8&sig=UoAuSNQhyUJxvYurqij18mPF3GM