Acaricis
Fig. 1. Acaricis plana female dorsum |
Fig. 2. Acaricis plana female anterior margin of the prodorsum indicating forked projection. |
Fig. 3. Acaricis plana female venter |
Fig. 4. Acaricis sp. adult female |
Key characters
- body extremely flat
- c1
, c2, d2, e2 absent (Fig. 1)  - h2 elongate (Fig. 1)
- anterior margin of prodorsum with forked median projection (Fig. 2)
- ventral, genital, anal plates not developed
- 2 pairs ps setae (Fig. 3)
- 4 segmented palp
- g1 inserted anterior to g2
Similar taxa
Gahniacarus - c1 present; e1 absent; palp 3 segmented; c1, d1 similar to other dorsal setae
Cyperacarus - c1 present; e1, f3 absent; palp 3 segmented; 3 projections on anterior margin prodorsum
Prolixus - body elongate; f2 present or absent; anterior margin of prodorsum smoothly rounded or with small projection; palp 3 segmented
Tenuipalpus - c1, f2 present or absent; ventral and genital plates well developed; palp 1-3 segmented
Number of species
Two - A. danutae, A. plana
Authority
Beard and Gerson
Distribution
Australia
Hosts
Cyperaceae (sedges)
Colour
- yellow, orange and green colours when alive (Fig. 4)
- eggs yellow to orange