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 monnioti
Newell, 1984
Diagnosis. Glp-1 same level as Ds-1. Ds-2 on membranous cuticle. PE with 1 dorsal seta. GA bipartite in female and male. Female with 6 Pgs and 4 Sgs. Male with 10 Pgs and 6 Sgs. Tr I–IV with 1-1-1-1 setae; Bf I–IV with 1-1-1- 1 setae; Tf I–IV with (5,6)-(4,5)-2-2 setae, without Bp setae; Gn I–IV with 5-4-3-3 setae, 2-1-0-0 Bp setae; Tb I–IV with 6-5-5-6 setae, 3-2-2-3 Bp setae; Ta I–IV without Bp setae. Lc I with unidentate accessory process.
Idiosoma
length
284–324 in
female,
334 in
male.
Idiosoma
width
180 in
female.
Gnathosoma
length
203 in
female.
Gnathosoma
width
98 in
female. Ratio of
gnathosoma
to
idiosoma
0.63–0.71 in female. Ratio of P-2 to P-1 2.54.
Remarks. The conspicuous characteristic is the small number of Pgs in male. Female and male are known.
Habitat. Littoral zone: Coarse sands and red algae at middle tide zone.
Distribution. South Pacific Ocean: Tierra Azul (Puerto Montt) [
Chile
].
References.
Abé (1990c)
,
Abé & Green (1994)
,
Bartsch (1994a)
,
Newell (1984)
.
Depository. USNMNHW.