Flat Mites of the World

Raoiella species 3B

Key characters

  • setae c1, d1, e1 obviously spatulate (Figs. 1, 2, 3)
  • seta h1 longer than h2 (Figs. 1, 3)
  • seta h2 spatulate
  • seta f2 shorter than f3 (Figs. 1, 3)
  • 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 with companion seta obviously longer than solenidion (make sure tip of companion seta is visible) (Fig. 4)
  • tarsus II with companion seta subequal to slightly longer than solenidion (Fig. 5)
  • dorsal setae on tibiae I-II setiform, with tapered tip (but not finely tapered) (Figs. 4, 5)
  • palp tibiotarsus with one solenidion and one tapered, setiform eupathidium distally (Fig. 6), and one seta dorsally
  • setae ps1 and ps2 inserted adjacent to each other (Fig. 7)
  • male with short ps1 setae, 8-10 microns (Fig. 8)
  • male femur II and genua I-II same as female
  • larva with elongate, filiform setae h2

Similar species

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

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.

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.

Distribution

Australia (WA)

Hosts

Tallerack, Eucalyptus pleurocarpa (Myrtaceae)

Remarks

This species is currently being described by Beard et al.

Collected from coastal habitat in the south west corner of Western Australia.

Grouped with Raoiella species 3A as species 3 in Dowling et al. (2012); listed as Raoiella nr sp. 3 in Beard et al. (2012).

References

Dowling et al. (2012)

<em>Raoiella</em> species 3B

Fig. 1. Raoiella species 3B female dorsum.

<em>Raoiella</em> species 3B

Fig. 2. Raoiella species 3B female anterior dorsal opisthosoma.

<em>Raoiella</em> species 3B

Fig. 3. Raoiella species 3B female posterior lateral dorsum.

<em>Raoiella</em> species 3B

Fig. 4. Raoiella species 3B female leg I (sol = solenidion; cs = companion seta; d = dorsal seta on tibia; ti = tibia; ta = tarsus).

<em>Raoiella</em> species 3B

Fig. 5. Raoiella species 3B female leg II (sol = solenidion; cs = companion seta; d = dorsal seta on tibia; ti = tibia; ta = tarsus).

<em>Raoiella</em> species 3B

Fig. 6. Raoiella species 3B male palp (s = solenidion; e = eupathidium).

<em>Raoiella</em> species 3B

Fig. 7. Raoiella species 3B female posterior venter indicating setae ps1-2.

<em>Raoiella</em> species 3B

Fig. 8. Raoiella species 3B male posterior venter indicating ps1 setae.

<em>Raoiella</em> species 3B

Fig. 9. Raoiella species 3B larva, posterior venter, indicating elongate filiform setae h2.