| Pupal cocoons of the leafroller parasitoid, Glyptapanteles demeter |
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Glyptapanteles demeter is parasitic wasp (family Braconidae) which attacks leafroller caterpillars. Several wasps are produced from a single caterpillar. The remains of the leafroller caterpillars can be seen in both pictures, and on the left, a small maggot-like wasp larva is visible which has yet to spin a cocoon.