Scaptognathides delicatulus Bartsch 2004

Abé, Hiroshi, 2021, Taxonomic review of the subfamily Lohmannellinae (Acari: Trombidiformes Halacaridae) with morphological comparisons among genera, Zootaxa 4980 (2), pp. 201-255 : 224

Scaptognathides delicatulus Bartsch 2004

Diagnosis. Ds-2 and Ds-3 on AD. OC with 2 Glps. Female with 4 Pgs and 2 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 2-2-2-2 setae; Tf I–IV with 4-4-2-2 setae; Gn I–IV with 4-4-3-3 setae; Tb I–IV with 5-5-5-5 setae; Ta I–IV with 3-3-3-3 dorsal setae. Lc II–IV with either no or unidentate accessory process, without comb. Idiosoma length 155–174 in female ( holotype 174), 140–141 in PN. Idiosoma width 86–107 in female ( holotype 107), 83–94 in PN. Gnathosoma length 73–79 in female ( holotype 77), 66–67 in PN. Gnathosoma width 43–45 in female ( holotype 42), 32–36 in PN. Ratio of gnathosoma to idiosoma 0.44–0.51 in female ( holotype 0.44).

Remarks. The characteristics of this species are: pitted dorsal plates, OC with 2 Glps, Ta III with 3 dorsal setae, and 2 Sgs in female. Female and PN are known.

Habitat. Upper–Mid littoral zones: Coarse sandy beach.

Distribution. Indian Ocean:Al-Zour, Southern Kuwait ( 28°44’30.7”N, 48°22’40.8”E) [ Kuwait]. South Atltantic Ocean: São Francisco Bay ( Santa Catarina) [ Brazil].

References. Bartsch (2004a), Pepato et al. (2011).

Depository. BMNHL.