Scaptognathus pacificus Newell, 1971

Abé, Hiroshi, 2021, Taxonomic review of the subfamily Lohmannellinae (Acari: Trombidiformes Halacaridae) with morphological comparisons among genera, Zootaxa 4980 (2), pp. 201-255 : 233-234

publication ID

https://doi.org/ 10.11646/zootaxa.4980.2.1

publication LSID

lsid:zoobank.org:pub:344CA83A-6C54-4425-8A1F-1BA540611214

DOI

https://doi.org/10.5281/zenodo.4889626

persistent identifier

https://treatment.plazi.org/id/022487BF-FFFD-FFBE-FF24-F9BBFE47FF53

treatment provided by

Plazi

scientific name

Scaptognathus pacificus Newell, 1971
status

 

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.

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