Scaptognathus pacificus Newell 1971

Scaptognathus pacificus Newell, 1971 Diagnosis. Glp-1 posterior to Ds-1. Ds-2 on membranous cuticle. PE with 1 dorsal seta. GA bipartite in female. Female with 4 Pgs and 4 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 1-1-1-1 setae; Tf I–IV with 4-3-2-2 setae, 2-0-0-0 Bp setae; Gn I–IV with 5-4-2-3...

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Bibliographic Details
Main Author: Abé, Hiroshi
Format: Text
Language:unknown
Published: Zenodo 2021
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Trombidiformes
Halacaridae
Scaptognathus
Scaptognathus pacificus
Antarctic
Pacific
Seta
Newell
Antarc*
Online Access:https://dx.doi.org/10.5281/zenodo.4889626
https://zenodo.org/record/4889626
Description
Summary:Scaptognathus pacificus Newell, 1971 Diagnosis. Glp-1 posterior to Ds-1. Ds-2 on membranous cuticle. PE with 1 dorsal seta. GA bipartite in female. Female with 4 Pgs and 4 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 1-1-1-1 setae; Tf I–IV with 4-3-2-2 setae, 2-0-0-0 Bp setae; Gn I–IV with 5-4-2-3 setae, 2-1-0-0 Bp setae; Tb I–IV with 6-5-5-5 setae, 3-2-2-2 Bp setae; Ta I–IV with 3-3-3-3 dorsal setae. Lc I with unidentate accessory process. Idiosoma length 167 in female. Idiosoma width 98–104 in female. Gnathosoma length 147–151 in female. Gnathosoma width 60 (gnathosoma length 147) in female. Ratio of gnathosoma to idiosoma 0.88–0.91 in female. Remarks. This species has the smallest body size in the genus. Female is known. Habitat. Bathyal zone: Sediment at 210 m depth. Distribution. South Pacific Ocean: Robinson Crusoe Is. (Juan Fernández Is.) [Chile]. References. Abé (1990c), Abé & Green (1994), Newell (1971, 1984). Depository. USNMNHW. : Published as part of Abé, Hiroshi, 2021, Taxonomic review of the subfamily Lohmannellinae (Acari: Trombidiformes Halacaridae) with morphological comparisons among genera, pp. 201-255 in Zootaxa 4980 (2) on pages 233-234, DOI: 10.11646/zootaxa.4980.2.1, http://zenodo.org/record/4888860 : {"references": ["Newell, I. M. (1971) Halacaridae (Acari) collected during Cruise 17 of the R / V Anton Bruun, in the Southeastern Pacific Ocean. Anton Bruun Report, 8, 1 - 58.", "Abe, H. (1990 c) Two new species of the genus Scaptognathus (Acari, Halacaridae) from Hokkaido, Japan. Cahiers de Biologie Marine, 31, 349 - 363.", "Abe, H. & Green, J. (1994) A new species of the genus Scaptognathus (Acari: Halacaridae) from Tasmania. Acta Arachnologica, 43, 169 - 178.", "Newell, I. M. (1984) Antarctic Halacaroidea. Antarctic Research Series, 40, 1 - 284."]}

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