Life habits of immature stages
Tegeticula females oviposit into floral ovaries or developing fruits, and the grublike larvae feed of developing seeds. Usually white during the early instars, the larvae turn pink or to dark red when reaching later instars. The larva bores out through the fruit wall upon maturity, and creates a thick cocoon in the soil. It diapauses, sometimes for more than one year, and pupation apparently takes place a few weeks or less before adult emergence. The pupa is equipped with a frontal protrusion and large spines on the abdominal segments, which serve in burrowing up to the ground surface.
A last-instar larva of T. treculeanella, a member of the yuccasella complex.
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