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  • Usually
  • In weevils of the division Adelognatha the rostrum is usually no longer than the main part of the head, while in those of the division Phanerognatha it is much longer. (thefreedictionary.com)
  • frequently
  • The weevils of the division Adelognatha frequently have atrophied wings, and the wing cases (elytra) grow together over the abdomen, forming the fornix of the subelytral chamber, which protects the abdomen from drying out. (thefreedictionary.com)