Raoiella argenta


 Fig. 1.  Raoiella argenta  female lateral dorsum.

Fig. 1. Raoiella argenta female lateral dorsum.


 Fig. 2.  Raoiella argenta  female posterior dorsum.

Fig. 2. Raoiella argenta female posterior dorsum.


 Fig. 3.  Raoiella argenta  female dorsum.

Fig. 3. Raoiella argenta female dorsum.


 Fig. 4.  Raoiella argenta  female venter - coxae III and IV.

Fig. 4. Raoiella argenta female venter - coxae III and IV.


 Fig. 5.  Raoiella argenta  female leg I (s = solenidion; cs = companion seta).

Fig. 5. Raoiella argenta female leg I (s = solenidion; cs = companion seta).


 Fig. 6.  Raoiella argenta  female leg II (s = solenidion; cs = companion seta).

Fig. 6. Raoiella argenta female leg II (s = solenidion; cs = companion seta).


 Fig. 7.  Raoiella argenta  female palps (s = solenidion, e = eupathidium).

Fig. 7. Raoiella argenta female palps (s = solenidion, e = eupathidium).


 Fig. 8.  Raoiella argenta  female posterior venter indicating setae  ps1-2  ( g  = genital setae;  ag  = aggenital setae).

Fig. 8. Raoiella argenta female posterior venter indicating setae ps1-2 (g = genital setae; ag = aggenital setae).


 Fig. 9.  Raoiella argenta  male posterior dorsum indicating  ps1  setae.

Fig. 9. Raoiella argenta male posterior dorsum indicating ps1 setae.


Authority

Beard

Key characters

  • setae c1, d1, e1 spatulate (Fig. 1)
  • seta h1 subequal in length to h2 (Fig. 2)
  • seta h2 weakly spatulate (can appear blunt)
  • seta f2 longer than f3 (f2 inserted posterolaterally) (Figs. 2, 3)
  • coxae III-IV with one seta (3b, 4b) (Fig. 4)
  • femur II with 4 setae (d, l', bv", v')
  • genua I-II with 3 setae (d, l', l")
  • tarsus I with companion seta obviously longer than solenidion (Fig. 5)
  • tarsus II with companion seta obviously shorter than solenidion (Fig. 6)
  • dorsal setae on tibiae I-II setiform, tapered
  • palp tibiotarsus with one solenidion and one tapered, setiform eupathidium with forked tip distally (Fig. 7) (can be difficult to see), and one seta dorsally
  • setae ps1 and ps2 inserted adjacent to each other (Fig. 8)
  • male with short ps1 setae, 7-9 microns (Fig. 9)
  • male femur II and genua I-II same as female
  • larva unknown

Similar species

Raoiella argenta is similar morphologically to Raoiella shimpana.

Raoiella argenta: opisthosomal setae f2 62-68; setae d on femora I, tibiae I and setae l' on tibia I with tapered tips; palp eupathidium forked distally.

Raoiella shimpana: opisthosomal setae f2 76-81; setae d on femora I, tibiae I and setae l' on tibia I with broad blunt tips; palp eupathidium tapered, not forked distally.

Distribution

Australia (QLD)

Hosts

Silver-leaved ironbark, Eucalyptus melanophloia (Myrtaceae)

Remarks

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

References

Beard et al. (2018)