Crossipalpus
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Fig. 1. Crossipalpus gersoni sp. nov. Beard & Seeman, female dorsum. |
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Fig. 2. Crossipalpus muellerianae female dorsum. |
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Fig. 3. Crossipalpus muellerianae deutonymph dorsum (image: Gary Bauchan, USDA-ARS). |
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Fig. 4. Crossipalpus raveni sp. nov. Beard & Seeman female anterior margin of prodorsum. |
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Fig. 5. Crossipalpus raveni sp. nov. Beard & Seeman female venter, with detail of genital region. |
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Fig. 6. Crossipalpus sp. female live. |
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Fig. 7. Crossipalpus sp. female live, dorsum. |
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Fig. 8. Crossipalpus sp. female live, venter. |
Key characters
- f2 absent (Figs. 1-3)
- e2
inserted in lateral position (Figs. 1-3- h2
not elongate - gnathosoma concealed under prodorsum (gnathosoma is often extruded in strongly flattened specimens) (Figs. 1-3)
- dorsal setae short, lanceolate
- anterior margin of prodorsum smoothly rounded, without notch or projection (Fig. 4)
- ventral, genital and anal plates membranous, not well developed (Fig. 5)
- 2 pairs ps setae (Fig. 5)
- 5 segmented palp
Similar taxa
Palpipalpus - seta f2 present; with pair of rounded projections on anterior margin of prodorsum; palp tibia with two setae (one in Crossipalpus); genua I-IV 2-2-0-0 (1-1-0-0 in Crossipalpus)
Number of species
Four - C. gersoni, C. muellerianae, C. raveni, C. verticillatae
Authority
Smiley, Frost and Gerson
Distribution
Australia
Hosts
Allocasuarina inophloia, A. luehmannii, A. muelleriana, A. verticillata (Casuarinaceae)
Colour
- red when alive (Figs. 6-8)
- eggs red
Remarks
This is a recently redescribed genus (see Beard, Seeman & Bauchan (2014).
