Raoiella argenta


 Fig. 1.  Raoiella argenta nbsp;female lateral dorsum.

Fig. 1. Raoiella argenta female lateral dorsum.


 Fig. 2.  Raoiella argenta nbsp;female posterior dorsum.

Fig. 2. Raoiella argenta female posterior dorsum.


 Fig. 3.  Raoiella argenta nbsp;female dorsum.

Fig. 3. Raoiella argenta female dorsum.


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

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


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

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


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

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


 Fig. 7.  Raoiella argenta nbsp;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 nbsp;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)