In an Attempt to Control Aphids That Are Destroying His

In an attempt to control aphids that are destroying his plums, a farmer in Iowa imports a colony of Asian ladybugs that feast on the aphids. The Asian ladybugs are not eaten by the local bird populations. The Asian ladybug population multiplies quickly, displaces the local ladybugs, eliminates the aphids, and begins to eat other local insects. The Asian ladybug

A) is being overexploited.
B) is a threatened species.
C) is increasing the biodiversity of the orchard.
D) qualifies as an invasive species.
E) is responsible for habitat fragmentation in the plum orchard.