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.