Lohmannella arenaria Bartsch, 1993

Abé, Hiroshi, 2021, Taxonomic review of the subfamily Lohmannellinae (Acari: Trombidiformes Halacaridae) with morphological comparisons among genera, Zootaxa 4980 (2), pp. 201-255 : 209-210

Lohmannella arenaria Bartsch, 1993

Diagnosis. One cornea present. Glp-1 posterior to Ds-1. Ds-2 on AD. Ds-3 on membranous cuticle. Two dorsal setae on PE. Female with 16 Pgs and 8 Sgs. Male with 30–38 Pgs and 8 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 2-3-3-3 setae; Tf I–IV with 5-5-6-4 setae; Gn I–IV with 8-6-4-(3,4) setae, 4-1-0-0 Bp setae; Tb I–IV with 9- 9-7-7 setae, 6-5-3-3 Bp setae; Ta I–IV with 3-3-4-3 dorsal setae, 2-1-0-1 Bp setae. Lc I with unidentate accessory process. Idiosoma length 241–256 in female, 215–263 (holotype 241) in male. Idiosoma width 192. Gnathosoma length 193 in male. Gnathosoma width 85 in male. Ratio of gnathosoma to idiosoma 0.80 in male. Ratio of P-2 to P-1 2.67.

Remarks. The species is recognized by having 2 ventral spines on P-2 and PD with rounded anterior margin. This species is the smallest yet recorded in the genus. Female, male, DN are known.

Habitat. Littoral zone: Coarse sediment at 2–15 cm depth from the surface.

Distribution. Indian Ocean; Cape Vlamingh, North Point Parakeet Bay (Rottnest Is.) [ Australia].

Reference. Bartsch (1993a).

Depository. WAMP.