Taxonomic review of the subfamily Lohmannellinae (Acari: Trombidiformes Halacaridae) with morphological comparisons among genera
Author
Abé, Hiroshi
text
Zootaxa
2021
2021-06-01
4980
2
201
255
journal article
6015
10.11646/zootaxa.4980.2.1
f94c88c7-ef33-4171-a0d2-23832db1e2ba
1175-5326
4888860
344CA83A-6C54-4425-8A1F-1BA540611214
Scaptognathus punctatus
Bartsch, 1981
Diagnosis. Glp-1 same level as Ds-1. Ds-2 on membranous cuticle. PE without dorsal seta. GA bipartite in female and male. Female with 4 Pgs and 2 Sgs. Male with 19 Pgs and 6 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 1-1-?-1 setae; Tf I–IV with 6-5-?-1 setae, 3-2-0-0 Bp setae; Gn I–IV with 5-4-?-3 setae, 2-1-0-0 Bp setae; Tb I–IV with 9-5-?-6 setae, 5-2-3-3 Bp setae; Ta I–IV with 3-3-?-3 dorsal setae, 1-1-0-0 Bp setae. Lc I with unidentate accessory process.
Idiosoma
length
246 in
male (
holotype
).
Idiosoma
width
177 in
male (
holotype
).
Gnathosoma
length
207 in
male (
holotype
).
Gnathosoma
width
107 in
male (
holotype
). Ratio of
gnathosoma
to
idiosoma
0.84.
Remarks. The species belongs to the group with a single Bp seta on Ta II. The characteristics of the species are: 4 Pgs in femlae, Tf I–IV with 3-2-0-0 Bp setae, and Tb I–IV with 5-2-3-3 Bp setae. Male and female are known.
Habitat. Sublittoral–Bathyal zones: Coral sands and
Thalassodendron
(Monocotyledon)
at
18–440 m
depth.
Distribution. Indian Ocean:
12°25’S
,
46°16’E
(Zélée-Bank);
11°24’S
,
47°22’E
(
Mozambique
Channel) [
Mozambique
].
References.
Abé (1990c)
,
Abé & Green (1994)
,
Bartsch (1981a
,
1982c
,
1988a
,
1994b
),
Chatterjee & Sarma (1991)
.
Depository. MNHNP.