ADDENDUM TO THE CHECKLIST AND BIBLIOGRAPHY OF PHILIPPINE ACARI (ARACHNIDA) WITH NOTES ON NOMENCLATURAL CHANGES IN SOME PREVIOUSLY RECORDED SPECIES

Leonila A. Corpuz-Raros

Abstract


A checklist of 196 acarine species recorded from the Philippines from 2006-2015 is presented, including some species that were missed in a checklist published earlier, covering 1844-2005. These belong to 98 genera and 50 families, of which 55 genera and 15 families were reported as new to the Philippines during the former period. The number of added species is greatest for the free-living families, Otocepheidae (29), Cunaxidae (17), Haplozetidae (16), [superfamily] Galumnoidea (15), Hermanniidae (13) and Macrochelidae (13). There were also noteable increases in records of parasitic Astigmata, particularly fur mites of the family Atopomelidae (13 spp.) and internal parasitic Gastronyssidae (11 spp.). As in the 2005 checklist, the added species originated mainly from the largest islands of Luzon (84), Mindanao (46) and Samar (31).

Altogether, the known Philippine fauna from 1844 to 2015 now amounts to 1,417 species, 565 genera and 180 families. The species are distributed to the major groups of the Superclass Acari as follows: Oribatida 441, Prostigmata 423, Mesostigmata 338, Astigmata 178, and Ixodida 37. Slightly over half (52.3%) are known to occur only in or endemic to the Philippines at present.

Changes in nomenclature of 136 previously listed species are provided, with notes on reasons for and references to their respective changes. These are mainly due to generic transfers consequent to erection of new genera, downgrading of genera to subgenera, synonymies and even resurrection of previous junior generic synonyms. Additional bibliographic references are provided for faunal records, non-taxonomic works, and world revisions, keys and checklists including species that were originally described from the Philippines.

Key words: Acari, Arachnida, biodiversity, faunal checklist, Philippines


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