Tenuipalpidae

Beard, Jennifer J. & Ochoa, Ronald, 2011, New flat mite genera (Acari: Trombidiformes: Tenuipalpidae) associated with Australian sedges (Cyperaceae), Zootaxa 2941, pp. 1-37 : 32

publication ID

https://doi.org/ 10.5281/zenodo.204686

DOI

https://doi.org/10.5281/zenodo.5612534

persistent identifier

https://treatment.plazi.org/id/0A68182D-FF9C-F878-FF39-FC5AEDCAF94B

treatment provided by

Plazi

scientific name

Tenuipalpidae
status

 

Key to Tenuipalpidae on Cyperaceae in Australia

1. Dorsal opisthosomal setae c 1, d 1 present, setae e 1 absent ( Figs 2 View FIGURE 2 , 9 View FIGURE 9 , 12 View FIGURE 12 , 20 View FIGURE 20 ); genua I – IV nude....................... 2

- Dorsal opisthosomal setae c 1 absent, setae d 1, e 1 present ( Figs 22 – 25); genua I – II with setae, genu III with or without setae..................................................................................................... 5

2. Dorsal opisthosomal setae e 2 absent, setae e 3, f 2, f 3 present ( Figs 2 View FIGURE 2 , 9 View FIGURE 9 ); trochanters I – IV with one seta (v’); anterior margin of prodorsum without projections.................................................. 3 Gahniacarus Beard & Ochoa

- Dorsal opisthosomal setae e 2, f 3 absent, setae e 3, f 2 present ( Figs 12 View FIGURE 12 , 20 View FIGURE 20 ); trochanters I – IV nude (except male tr I with one seta, v’); anterior margin of prodorsum with three projections (a pair of conical projections (each bearing setae v 2) flanking a broad median projection)...................................................... 4 Cyperacarus Beard & Ochoa

3. Prodorsal setae sc 1 elongate, obviously longer than most other dorsal setae ( Fig. 9 View FIGURE 9 ); protonymph with dorsal opisthosomal setae e 3 minute ( Fig. 11 View FIGURE 11 ).................................................. Gahniacarus gersonus Beard & Ochoa

- Prodorsal setae sc 1 subequal in length to other dorsal setae ( Fig. 2 View FIGURE 2 ); protonymph with dorsal opisthosomal setae e 3 subequal to other dorsal setae, barbed ( Fig. 7 View FIGURE 7 )....................................... Gahniacarus tuberculatus Beard & Ochoa

4. Dorsal opisthosomal setae c 1 minute ( Fig. 20 View FIGURE 20 ); lateral dorsal opisthosomal setae broadly rounded distally; prodorsal setae sc 2> 240 μm............................................................... Cyperacarus foliatus Beard & Ochoa

- Dorsal opisthosomal setae c 1 short, broad, barbed ( Fig. 12 View FIGURE 12 ); lateral dorsal opisthosomal setae tapered distally; prodorsal setae sc 2 <220 μm............................................................ Cyperacarus naomae Beard & Ochoa

5. Anterior margin prodorsum smooth, or with a reduced median projection ( Figs 22, 23 View FIGURE 23 ); genu III nude.............................................................................................. 6 Prolixus Beard, Fan & Walter

- Anterior margin prodorsum with elongate, divided median projection ( Figs 24, 25); genu III with one seta (d)............................................................................................ 7 Acaricis Beard & Gerson

6. Dorsal opisthosomal setae f 2 present ( Fig. 22); dorsal opisthosomal setae d 1, c 3 equal in length, short; dorsum with apparent prodorsal and opisthosomal shields, plicate between sc 2 –d 1 ....................... Prolixus forsteri Beard, Fan & Walter

- Dorsal opisthosomal setae f 2 absent ( Fig. 23 View FIGURE 23 ); dorsal opisthosomal setae c 3 obviously longer than d 1; dorsum entirely plicate................................................................... Prolixus corruginus Beard, Fan & Walter

7. Setae sc 2 broadly lanceolate, finely barbed, longer than sc 1 ( Fig. 24); femur III with seta d broadly lanceolate, finely barbed............................................................................ Acaricis plana Beard & Gerson

- Setae sc 2 short, barbed, equal in length to sc 1 ( Fig. 25); femur III with seta d short, stout, smooth................................................................................................ Acaricis danutae Beard & Gerson