Aspidiobates Lundblad 1941
Creators: name: Smit, Harry
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Trombidiformes
Hygrobatidae
Aspidiobates

description: Key to the Australian Aspidiobates species
1 Gonopore narrow................................................................................ Males 2
- Gonopore wide............................................................................... Females 11
2 Genital field with four pairs of acetabula................................................................... 3
- Genital field with three pairs of acetabula.................................................................. 6
3 Dorsum two pairs of posterolateral platelets........................................................... A. aethes
- Dorsum with one pair of posterolateral platelets............................................................. 4
4 P2 with a very large, rounded extension................................................. A. neogeometricus n. sp.
- P2 with a much smaller rounded extension.................................................................. 5
5 Genital field not flanked closely by a pair of glandularia, P2 with large anteroventral extension and dorsally with six stout setae.......................................................................................... A. wittenoom
- Genital field flanked closely by a pair of glandularia, P2 with a short anteroventral extension and dorsally with three setae....................................................................................... A. imperfectus n. sp.
6(2) Dorsal shield entire.................................................................................... 7
- Dorsal shield divided................................................................................... 8
7 Postocularia at the same level of dgl-1; distance of dgl-1 and dgl-2 only slightly larger than distance of dgl-2 and dgl-3.................................................................................................. A. bidewel
- Postocularia anterior to dgl-1; distance of dgl-1 and dgl-2 much larger than distance of dgl-2 and dgl-3........ A. unidorsalis
8 Dorsum with two pairs of posterolateral platelets............................................................. 9
- Dorsum with one pair of posterolateral platelets............................................................ 10
9 Distance of dgl-1 greater than distance of dgl-2; excretory pore midway between genital field and posterior idiosoma margin............................................................................................. A. scutatus
- Distance of dgl-1 equal to distance of dgl-2; excretory pore closer to genital field........................................................................................................................ A. similis Cook, 1986
10(8) P2 with a small anteroventral projection; postocularia on same level as dgl-1................................................................................................................................ A. geometricus
- P2 with a large anteroventral projection; postocularia anterior to dgl-1..................................... A. pilbara
11(1) Genital field with four pairs of acetabula.................................................................. 12
- Genital field with three pairs of acetabula................................................................. 15
12 Dorsum with one large platelet and five smaller posterior platelets................................................................................................................................. A. neogeometricus n. sp.
- Dorsum with one large platelet and four smaller platelets..................................................... 13
13 Distance of dgl-1 equal to distance of dgl-2........................................................... A. aethes
- Distance of dgl-1 greater than distance of dgl-2............................................................. 14
14 P4 slender................................................................................ A. imperfectus
- P4 less slender.............................................................................. A. wittenoom
15(11) Dorsum with one large platelet and five smaller posterior platelets.................................... A. geometricus
- Dorsum with one large platelet and four smaller platelets..................................................... 16
16 Distance of dgl-1 greater than distance of dgl-2............................................................. 17
- Distance of dgl-1 equal to distance of dgl-2................................................................ 18
17 P2 with a small anteroventral extension............................................................ A. scutatus
- P2 with a large anteroventral extension............................................................ A. pilbara
18(16) Dorsal shield less than 1000 µm................................................................... A. similis
- Dorsal shield greater than 1100 µm............................................................... A. bidewel
description: Published as part of Smit, Harry, 2019, The water mite genus Aspidiobates Lundblad, 1941 from Australia (Acari: Hydrachnidia: Hygrobatidae) with the description of two new species, pp. 115-122 in Zootaxa 4550 (1) on page 121, DOI: 10.11646/zootaxa.4550.1.5, http://zenodo.org/record/2625171