One new obligate commensal species of Coenaletes (Collembola, Coenaletidae) from the hermit crab Coenobita compressus (Crustacea, Coenobitidae) from Colombia

A new species of Coenaletes associated with the hermit crab Coenobita compressus H. Milne-Edwards, 1836, living in shells of Tegula atra Lesson, 1830 (Gastropoda: Tegulidae) on the seashores of Chocó, Colombia, is described and illustrated. The ontogenetic development, including measurements and ventral setation from first instar to adult, is provided. A key for the identification of the three species known in the genus is included.