Preliminary investigations on transmission and life cycle of the ear mites of the genus Raillietia trouessart (Acari: Gamasida) parasites of cattle.

Abstract

The life cycle of ear mites of the genus Raillietia Trouessart consists of egg, larva, proto- and deutonymph and adult. The proto- and deutonymph are free living, non feeding instars. The teneral adult is the transfer stage. The minimum period required for completion of the life cycle is approximately eight days.