How do chiggers reproduce?

Chiggers do not reproduce.

Specifically, the term in question designates the larval stage of mites in the arthropod family Trombiculidae. An adult mite reproduces in one of two ways. Asexual reproduction results from the fact that each female mite in essence is "born pregnant," with the capability of delivering eggs -- which almost uniformly hatch into female clones -- without male involvement. Sexual reproduction nevertheless will produce eggs which will progress from prelarval, chigger, and nymph stages before becoming female or male mites.