Raoiella crebra
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Fig. 1. Raoiella crebra adult female dorsum. |
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Fig. 2. Raoiella crebra adult female dorsum. |
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Fig. 3. Raoiella crebra adult female, central dorsum. |
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Fig. 4. Raoiella crebra adult female, anterior lateral dorsal opisthosoma. |
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Fig. 5. Raoiella crebra adult female, posterior dorsum. |
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Fig. 6. Raoiella crebra adult female leg I (s = solenidion, cs = companion seta). |
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Fig. 7. Raoiella crebra adult female leg II (d = dorsal seta on tibia I, s = solenidion, cs = companion seta). |
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Fig. 8. Raoiella crebra adult female leg I indicating dorsal seta, d, on tibia I. |
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Fig. 9. Raoiella crebra adult female palps (s = solenidion, e = eupathidium). |
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Fig. 10. Raoiella crebra adult female posterior venter (genital region). |
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Fig. 11. Raoiella crebra adult male posterior opisthosoma, indicating setae ps1 (arrow). |
Authority
Beard and Ochoa
Key characters
- setae c1, d1, e1 spatulate (Figs. 1-4)
- seta h1 longer than h2 (Fig. 5)
- seta h2 spatulate (Fig. 5)
- seta f2 obviously shorter than f3 (Fig. 5)
- coxae III-IV nude
- femur II with 3 setae (d, bv", v' present; l' absent)
- genua I-II with 3 setae (d, l', l")
- tarsus I-II with companion seta subequal to solenidion or slightly shorter (Fig. 6)
- dorsal seta on tibiae I-II thick, with spatulate tip, sometimes with a broad blunt tip (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 ps1 setae, 8-10 microns (Fig. 11)
- male femur II and genua I-II same as female
- larva with elongate, filiform setae h2
Similar species
Raoiella crebra is morphologically similar to Raoiella illyarrie and R. hallingi.
Raoiella crebra: prodorsal setae sc1 28-31; seta d on tibiae I 58-65 and tibiae II 58-61; companion seta on tarsus I subequal or shorter than solenidion. Male with one seta on trochanter IV.
Raoiella illyarrie: prodorsal setae sc1 30-47; seta d on tibiae I 74-81 and tibiae II 65-69; companion seta on tarsus I longer than solendion. Male with one seta on trochanter IV.
Raoiella hallingi: male with trochanter IV nude.
Distribution
Australia (QLD)
Hosts
Narrow-leaved ironbark, Eucalyptus crebra (Myrtaceae)
Remarks
This species is placed in the wandoo species group proposed by Beard et al. (2018).
Raoiella crebra grouped together with R. illyarrie as species 4 in Dowling et al. (2012)
Raoiella crebra was listed as species 4 in Beard et al. (2012).
References
Beard et al. (2012); Beard et al. (2018); Dowling et al. (2012)
