Raoiella didcota


 Fig. 1.  Raoiella didcota  adult female dorsum.

Fig. 1. Raoiella didcota adult female dorsum.


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

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


 Fig. 3.  Raoiella didcota nbsp;adult female posterior dorsum.

Fig. 3. Raoiella didcota adult female posterior dorsum.


 Fig. 4.  Raoiella didcota nbsp;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 nbsp;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 nbsp;adult female palps (s = solenidion; e = eupathidium).

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


 Fig. 7.  Raoiella dicota nbsp;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 nbsp;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)