The Collaborative International Dictionary of English v.0.48:

Obtected \Ob*tect"ed\, a. [L. obtectus, p. p. of obtegere to
   cover over.]
   1. Covered; protected. [Obs.]
      [1913 Webster]

   2. (Zool.) Covered with a hard chitinous case, as the pupa of
      certain flies; also called obtect.
      [1913 Webster +PJC]