Halarachne americana Banks, 1899

Caribbean monk seal nasal mite



Taxonomy & Nomenclature



Conservation Status


Last record: 1899 or before (Banks, 1899)



Waters around the Caribbean


Biology & Ecology

The only known host was the now extinct Carribean monk seal (Neomonachus tropicalis) (Banks, 1899; Rolbiecki, 2018).









Original scientific description:

Banks, Nathan. (1899). A new species of the genus Halarachne. Proceedings of the Entomological Society of Washington 4: 212-214.


Other references:

Adam, P. J. (2004). Monachus tropicalis. Mammalian Species 747: 1-9.

Banks, Nathan. (1915). The Acarina Or Mites: A Review of the Group for the Use of Economic Entomologists. Rep. US Dept. Agric. 108: 1-142.

Dailey, M. D. and Brownell, R. L., Jr. (1972). A checklist of marine mammal parasites, pp. 528-589. In: RIdgway, S. H. (ed.). Mammals of the sea: biology and medicine. Springfield, Illinois: Charles C. Thomas.

Domrow, R. (1962). Halarachne miroungae Ferris redescribed. Pacific Insects 4(4): 859-863.

Ferris, G. F. (1925). On two species of the G. Halarachne (Acarina, Gamasidae). Parasitology 17(2): 163-167.

Furman, Deane P. and Dailey, Murray D. (1980). The genus Halarachne (Acari: Halarachnidae), with the description of a new species from the Hawaiian monk seal. Journal of Medical Entomology 17(4): 352-359. [Abstract]

Newell, I. M. (1947). Studies on the morphology and systematics of the family Halarachnidae Oudemans 1906 (Acari, Parasitoidea). Bulletin of the Bingham Oceanographic Collection 10: 235-266.

Rolbiecki, Leszek, Izdebska, Joanna N., Bidziński, Konrad and Jankowska-Jarek, Martyna. (2018). Nasopharyngeal mites Halarachne halichoeri (Allman, 1847) parasitizing the gray seal Halichoerus grypus (Fabricius, 1791) in the Baltic Sea with notes on other parasitic Halarachnidae associated with marine mammals. Oceanological and Hydrobiological Studies 47(4): 398-404.


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