Flat Mites of the World

Raoiella species 3A

Key characters

  • setae c1, d1, e1 obviously spatulate (Figs. 1, 2, 3)
  • seta h2 obviously spatulate (Fig. 4)
  • seta h1 longer than h2 (Fig. 4)
  • seta f2 shorter than f3 (Fig. 4)
  • coxae III-IV nude
  • femur II with 3 setae (d, bv", v' present; l' absent)
  • genua I-II with 3 setae (d, l', l")
  • tarsi I-II with companion seta longer than solenidion (make sure companion seta is not broken) (Figs. 5, 6)
  • dorsal setae on tibia I-II setiform, with tapered tip (but not finely tapered) (Figs. 7, 8)
  • palp tibiotarsus with one solenidion and one tapered, setiform eupathidium distally (Fig. 9), and one seta dorsally
  • setae ps1 and ps2 inserted adjacent to each other (Fig. 10)
  • male with short to moderate ps1 setae, 10-12 microns (Fig. 11)
  • male femur II and genua I-II same as female
  • larva with elongate, filiform setae h2 (Fig. 12)

Similar species

Raoiella species 3A is morphologically similar to Raoiella species 3B.

Raoiella species 3A: opisthosomal setae c1 19-23, c2 25-31, f2 31-36, h2 22-34; male prodorsal setae v2 tapered; deutonymph setae d on tibiae I-II with tapered; stipe on egg is 1-2X length of egg.

Raoiella species 3B: opisthosomal setae c1 25-29, c2 32-36, f2 35-43, h2 30-38; male prodorsal setae v2 spatulate; deutonymph setae d on tibiae I-II with broad blunt tips; stipe on egg is 5X length of egg.

Distribution

Australia (WA)

Hosts

Wandoo, Eucalytpus wandoo (Myrtaceae)

Remarks

This species is currently being described by Beard et al.

Collected from the subcoastal plain in the south west corner of Western Australia.

Grouped with Raoiella species 3B as species 3 in Dowling et al. (2012); listed as species 3 in Beard et al. (2012); listed as an undescribed species in Ochoa et al. (2011).

References

Beard et al. (2012); Dowling et al. (2012); Ochoa et al. (2011)

<em>Raoiella</em> species 3A

Fig. 1. Raoiella species 3A adult female dorsum.

<em>Raoiella</em> species 3A

Fig. 2. Raoiella species 3A adult female central dorsum.

<em>Raoiella</em> species 3A

Fig. 3. Raoiella species 3A adult female lateral dorsal opisthosoma.

<em>Raoiella</em> species 3A

Fig. 4. Raoiella species 3A adult female posterior dorsum.

<em>Raoiella</em> species 3A

Fig. 5. Raoiella species 3A adult female leg I (s = solenidion; cs = companion seta).

<em>Raoiella</em> species 3A

Fig. 6. Raoiella species 3A adult female leg II (s = solenidion; cs = companion seta).

<em>Raoiella</em> species 3A

Fig. 7. Raoiella species 3A adult female leg I (d = dorsal seta on tibia).

<em>Raoiella</em> species 3A

Fig. 8. Raoiella species 3A adult female leg II (d = dorsal seta on tibia).

<em>Raoiella</em> species 3A

Fig. 9. Raoiella species 3A adult female palp (s = solenidion; e = eupathidium).

<em>Raoiella</em> species 3A

Fig. 10. Raoiella species 3A adult female posterior venter (g = genital setae; ag = aggenital setae).

<em>Raoiella</em> species 3A

Fig. 11. Raoiella species 3A adult male posterior dorsum indicating setae ps1.

<em>Raoiella</em> species 3A

Fig. 12. Raoiella species 3A larva, posterior venter indicating elongate filiform setae h2.