Promegistus

Promegistus armstrongi is a species of parasitiform mite in the order Mesostigmata, suborder Trigynaspida. It is the only member of the genus Promegistus and the family Promegistidae^[1] (being placed in its original description in the family Paramegistidae). It is endemic to Australia. Adults are believed to be parasitic on large carabid beetles, while young juveniles like other trigynaspids are thought to be free living.^[2]

Promegistus armstrongi
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Mesostigmata
Family:	Promegistidae Kethley, 1977
Genus:	Promegistus Womersley, 1958
Species:	P. armstrongi
Binomial name
Promegistus armstrongi Womersley, 1958