Flat Mites of the World

Prolixus

Key characters

  • c1, c2, d2, e2 absent (Fig. 1)
  • f2 present (Fig. 1) or absent (Fig. 2)
  • h2 extremely elongate (Fig. 1)
  • elongate body, more than three times as long as wide
  • anterior margin of prodorsum with small median projection or smoothly rounded
  • ventral, genital and anal plates not developed
  • 2 pairs ps setae
  • 3 segmented palp
  • dorsum with prodorsal shield evident
  • ventral cuticle finely striate

Similar taxa

Acaricis - f2 present; palp 4-segmented; body not 3 X longer than wide

Cyperacarus - c1 present; e1, f3 absent; body not 3 X longer than wide

Gahniacarus - c1 present; e1 absent; body not 3 X longer than wide

Tenuipalpus - c1, f2 present/absent; palp 1-3 segmented; anterior margin of prodorsum with broad flat projection with median fork; body not 3 X longer than wide

Number of species

Two - P. corruginus, P. forsteri

Authority

Beard, Fan and Walter

Distribution

Australia

Hosts

Gahnia spp. (Cyperaceae)

Colour

  • bright red to orange with alive (Figs. 3-4)
  • eggs orange to red

Remarks

Individuals wedge themselves into grooves on underside of host leaf blades.

Eggs laid in grooves also (Fig. 3).

<em>Prolixus</em>

Fig. 1. Prolixus forsteri female dorsum.

<em>Prolixus</em>

Fig. 2. Prolixus corruginus female dorsum.

<em>Prolixus</em>

Fig. 3. Prolixus sp. female live, with eggs laid within grooves in the leaf.

<em>Prolixus</em>

Fig. 4. Prolixus sp. nymph live, wedged within a groove in the leaf.