Lohmannella gaussi Lohmann 1907
- Dataset
- Taxonomic review of the subfamily Lohmannellinae (Acari: Trombidiformes Halacaridae) with morphological comparisons among genera
- Rank
- SPECIES
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Arachnida
- order
- Trombidiformes
- family
- Halacaridae
- genus
- Lohmannella
- species
- Lohmannella gaussi
diagnosis
Diagnosis. Two corneae present. Glp- 1 same level as Ds- 1. Ds- 2 on OC or margin of OC. Ds- 3 on PD. Two dorsal setae on PE. Female with 18 – 24 Pgs and 8 Sgs. Male with 54 – 62 Pgs and 8 Sgs. Tr I – IV with 1 - 1 - 1 - 1 setae; Bf I – IV with 3 - 3 - 3 - 3 setae; Tf I – IV with (9 – 11) - 9 - (5,6) - (4,5) setae; Gn I – IV with 8 - 7 - 4 - 4 setae, 4 - (3,4) - (0,1) - (1,2) Bp setae; Tb I – IV with (13,14) - (12,13) - (10,11) - 10 setae, 7 - 6 - 6 - 5 Bp setae; Ta I – IV with 3 - 3 - 4 - 3 dorsal setae, 2 - 2 - 4 - (2,3) Bp setae. Lc I with unidentate accessory process. Idiosoma length 430 – 568 in female, 407 – 596 in male, 313 – 365 in DN. Idiosoma width 343 (idiosoma length 471) in female. Gnathosoma length 380 – 460 (387 in idiosoma length 471 female) in adults. Ratio of gnathosoma to idiosoma 0.82 – 0.91. Ratio of P- 2 to P- 1 5.00. Remarks. This species is identified on the basis of widened AE, slender gnathosoma and legs, V-shaped porose costae on PD as in L. antarctica, Ds- 1 medial to Glp- 1, and Ds- 2 on OC. Female, male, and DN are known. Nontype specimen is deposited in the Viets Collection (No. 5604) in ZIZMH. L. humerosa Newell, 1984 is synonymized with this species (Bartsch 1993 b). Habitat. Sublittoral – Bathyal zones: Soft sandy deposit at a depth of 95 – 385 m. Distribution. South Atlantic Ocean: South Sandwich Is. [UK]. Indian Ocean: Marion and Crozet Is. [France]. Antarctic Ocean: Gauss Station, Wilhelm II land, Western Weddell Sea (Kapp Norvegia) [Antarctica]. References. André (1933), Bartsch (1977 b, 1979 b, 1983, 1993 b, 2016), Chatterjee & Sarma (1991), Dalenius (1965), Gimbel (1919), Gressitt (1967), Lohmann (1907 a, 1907 b), Newell (1967, 1984), Trouessart (1907), Viets (1927 a, 1931, 1940, 1950 a). Depository. MNHUB, ZIZMH.
Name
- Homonyms
- Lohmannella gaussi Lohmann 1907