A gall wasp is a type of insect that creates abnormal growths called galls on plants. These galls serve as houses and food sources for the wasp larvae. Full definition
The adult crypt keeper wasp then pops out of the tree with very little effort of its own, after consuming the crypt gall wasp from the inside out. (sciencemag.org)
Just as the new generation of adult gall wasps bores its way out of the tree, newly hatched E. set wasps kill their hosts, eating their way through their victims» bodies and hiding in the corpse until they reach maturity. (discovermagazine.com)
He grows up to go on to study biology and psychology, much against his father's wishes, and eventually goes on to study gall wasps for the way each generation differs from the last — a trait he hopes is true of human beings as well. (markreviewsmovies.com)