Parena Motschulsky, 1860
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publication ID |
https://doi.org/ 10.11646/zootaxa.5286.1.1 |
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publication LSID |
lsid:zoobank.org:pub:F9834684-24D3-4795-B5EB-77B451DF856D |
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DOI |
https://doi.org/10.5281/zenodo.7963799 |
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persistent identifier |
https://treatment.plazi.org/id/03877623-6231-FF94-2DEF-B010FA7B5A29 |
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treatment provided by |
Plazi |
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scientific name |
Parena Motschulsky |
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Key to African species in subgenus Parena Motschulsky View in CoL View at ENA
1. Postgenae with a pair of long suborbital setae (12. P. stigmatica View in CoL group)........................................... 2
- Postgenae without suborbital setae........................................................................ 4
2. Dorsum dark brown; antennae reddish brown, apical antennomeres of similar color to basal ones; elytra with deep and wide depressions on anterior third of intervals 3–6, another small depression present on the base of interval 6; Madagascar................................................................................... [37] P. stigmatica (Fairmaire) View in CoL
- Dorsum yellowish brown; basal three or four antennomeres yellow, remaining antennomeres much darker; elytra without or with very shallow depressions on anterior third of intervals 3–6; African mainland.................................. 3
3. Antennomere 4 entirely yellow; lateral margins of pronotum strongly sinuate before posterior angles; elytra disc slightly darker than lateral areas; elytral striae clearly incised, finely punctate inside; interval with dense fine punctures; Angola......................................................................................... [38] P. doriae Basilewsky
- Antennomere 4 with yellow basal half and dark apical half; lateral margins of pronotum almost straight before posterior angles; elytra evenly yellowish brown; elytral striae faintly incised, formed by rows of punctures; interval with very sparse fine punctures; Tanzania, Zimbabwe................................................................ [39] P. fulva sp. n.
4. Elytral apices truncate, apical margin nearly straight, sutural angles more or less pointed, forming short spines or denticles, although very faint in some species ( Figs 5B, 5C, 5D View FIGURE 5 ); elytra without microsculpture (except in P. madagascariensis View in CoL ); antennomere 1 with the ventroapical seta much more than half length of the dorsal-apical one ( Fig. 1D View FIGURE 1 ); LL greater than LW (13. P. scutata View in CoL group)........................................................................................ 5
- Elytral apices subtruncate, apical margin evenly curved, sutural angles not pointed ( Fig. 5A View FIGURE 5 ); elytra with shallow isodiametric microsculpture; antennomere 1 with the ventroapical seta less than half length of the dorsal-apical one ( Fig. 1C View FIGURE 1 ); LL less than LW (14. P. plagiata View in CoL group).............................................................................. 8
5. Elytra brown, or brown with very narrow black lateral stripes.................................................. 6
- Elytra largely black, reddish brown near apices.............................................................. 7
6. Elytra reddish brown; elytral apices very strongly truncate, outer apical angles prominent ( Fig. 5D View FIGURE 5 ); Madagascar................................................................................. [40] P. madagascariensis (Alluaud) View in CoL
- Elytra with black lateral stripes from humeri to middle; elytral apices moderately truncate, outer apical angles rounded ( Fig. 5C View FIGURE 5 ); Zambia...................................................................... [41] P. valeriae Facchini View in CoL
7. Elytral disc with well-defined reddish brown patch inside black area, extended over medial four or five intervals at middle; antennomeres 5–11 black, distinctly darker than basal antennomeres.......................... [42] P. scutata (Alluaud) View in CoL
- Elytra disc black except for paler apices, without a central paler patch; antennae uniformly reddish brown................................................................................................. [43] P. ruficornis sp. n.
8. Elytra entirely brown.................................................................................. 9
- Elytra largely black, reddish brown near apices............................................................. 10
9. Elytra striae very shallow, completely smooth on posterior half; lateral margins of pronotum slightly sinuate before posterior angles; tarsi dark brown, much darker than tibiae..................................... [44] P. ferruginea (Chaudoir) View in CoL
- Elytra striae slightly deeper, shallowly incised even on posterior half; lateral margins of pronotum strongly sinuate before posterior angles; tarsi yellow, same color as tibiae................................ [46] P. africana (Alluaud) View in CoL (pale form)
10. Apical red band of elytra very narrow, length less than 1/20 of elytra length; inner intervals slightly reddish, forming vague central patch; elytra discal depressions elongate; lateral margins of pronotum less sinuate before posterior angles; median lobe of aedeagus stouter, AL/AW about 4.0; South Africa.................................... [45] P. plagiata Motschulsky View in CoL
- Apical red band of elytra wider, length about 1/10 of elytra length; inner intervals black, without central patch; elytral discal depressions sub-triangular; lateral margins of pronotum strongly sinuate before posterior angles; median lobe of aedeagus slenderer, AL/AW more than 4.5.............................................. [46] P. africana (Alluaud) View in CoL (dark form)
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