Raoiella didcota


 Fig. 1.  Raoiella didcota  adult female dorsum.

Fig. 1. Raoiella didcota adult female dorsum.


 Fig. 2.  Raoiella didcota  adult female, central dorsum.

Fig. 2. Raoiella didcota adult female, central dorsum.


 Fig. 3.  Raoiella didcota  adult female posterior dorsum.

Fig. 3. Raoiella didcota adult female posterior dorsum.


 Fig. 4.  Raoiella didcota  adult female legs I-II (left-side) (s = solenidion; cs = companion seta).

Fig. 4. Raoiella didcota adult female legs I-II (left-side) (s = solenidion; cs = companion seta).


 Fig. 5.  Raoiella didcota  adult female leg I (arrow indicates dorsal seta on tibia).

Fig. 5. Raoiella didcota adult female leg I (arrow indicates dorsal seta on tibia).


 Fig. 6.  Raoiella didcota  adult female palps (s = solenidion; e = eupathidium).

Fig. 6. Raoiella didcota adult female palps (s = solenidion; e = eupathidium).


 Fig. 7.  Raoiella dicota  adult female posterior venter indicating setae  ps1-2  ( g  = genital setae;  ag  = aggential setae).

Fig. 7. Raoiella dicota adult female posterior venter indicating setae ps1-2 (g = genital setae; ag = aggential setae).


 Fig. 8.  Raoiella dicota  adult male posterior venter ( g  = genital setae;  ag  = aggenital setae).

Fig. 8. Raoiella dicota adult male posterior venter (g = genital setae; ag = aggenital setae).


Authority

Beard

Key characters

  • setae c1, d1, e1 with broad blunt tips, not obviously spatulate, but can appear weakly spatulate (Figs. 1, 2)
  • seta h1 obviously longer than h2 (Fig. 3)
  • seta h2 short, with blunt, thick tip (sometimes slightly tapered) (Fig. 3)
  • seta f2 shorter than f3 (Fig. 3)
  • coxae III-IV nude
  • femur II with 4 setae (d, l', bv", v')
  • genua I-II with 2 setae (l', l" present; d absent)
  • tarsi I-II with companion seta longer than solenidion (make sure fine tip of companion seta is visible) (Fig. 4)
  • dorsal setae on tibiae I-II setiform, with tapered tip (Fig. 5)
  • palp tibiotarsus with one solenidion and one blunt eupathidium distally (Fig. 6), and one seta dorsally
  • setae ps1 and ps2 inserted adjacent to each other (Fig. 7)
  • male with moderate ps1 setae, 12-13 microns (Fig. 8)
  • male femur II with 4 setae (d, l', bv", v')
  • male genua I-II with 3 setae (d, l', l")
  • larva unknown

Similar species

Raoiella didcota is morphologically similar to Raoiella davisi.

Raoiella didcota: dorsal opisthosomal setae c1 < 25 microns; prodorsal setae v2 < 60 microns.

Raoiella davisi: dorsal opisthosomal setae c1 > 30 microns; prodorsal setae v2 > 60 microns.

Distribution

Australia (QLD)

Hosts

Broad-leaved apple, Angophora subvelutina (Myrtaceae)

Remarks

This species is placed in the australica species group proposed by Beard et al. (2018).

Collected from habitat along a creek.

References

Beard et al. (2018)