Scaptognathus tereninus Bartsch, 1986

Abé, Hiroshi, 2021, Taxonomic review of the subfamily Lohmannellinae (Acari: Trombidiformes Halacaridae) with morphological comparisons among genera, Zootaxa 4980 (2), pp. 201-255 : 235

Scaptognathus tereninus Bartsch, 1986

Diagnosis. Glp-1 same level as Ds-1. Ds-2 on AD. PE with 1 dorsal seta. GA tripartite in female, bipartite in male. Female with 6 Pgs and 4 Sgs. Male with 27–36 Pgs and 6 Sgs. Tf I–IV with 2-0-0-0 Bp setae; Gn I–IV with 2-1-0-0 Bp setae; Tb I–IV with 6-3-4-4 Bp setae; Ta I–IV with 1-1-0-0 Bp setae. Lc I with unidentate accessory process. Idiosoma length 308–347 in female, 298–341 in male. Gnathosoma length 210–217 in female, 190–209 in male. Ratio of gnathosoma to idiosoma 0.62–0.69 in female, 0.60–0.64 in male.

Remarks. Bartsch (1986) noted that morphology and chaetotaxy of gnathosoma and legs coincided with those in S. sabularius . The species resembles S. sabularius and S. hallezi , but differs from them by the tripartite GA in female and bipartite GA in male. Bartsch (1986) noted that S. hallezi recorded by Morselli & Mari (1985) from Italy should refer to this species. The Italian record from Piombino may need further verification. Female and male are known.

Habitat. Sublittoral zone: Sandy sediment at 11–45 m depth.

Distribution. Mediterranean: Île If, Île Ratonneau, Île Riou, Île Jarre, Morgiau, Port-Miau [ France]. Piombino [ Italy].

References. Abé (1990c), Abé & Green (1994), Bartsch (1986b, 1994b), Morselli & Mari (1985).

Depository. ZIZMH.