Omophron Latreille, 1802
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publication ID |
https://doi.org/ 10.11646/zootaxa.5284.2.1 |
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publication LSID |
lsid:zoobank.org:pub:2A865757-B6B4-48CD-A9AD-334F7E7B508B |
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DOI |
https://doi.org/10.5281/zenodo.7930690 |
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persistent identifier |
https://treatment.plazi.org/id/03B46F27-FFC5-FF90-6DC3-F917FA1797A5 |
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treatment provided by |
Plazi |
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scientific name |
Omophron Latreille, 1802 |
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Key to Afrotropical species of the subgenus Omophron Latreille, 1802 View in CoL View at ENA
1 Antennal scape bisetose at apex, antennomeres III and IV with setae along lateral margin; pronotum verrucate. “ africanum View in CoL ” species group........................................................................................ 2
- Antennal scape unisetose at apex, antennomeres III and IV without setae along lateral margin; pronotum punctate......... 4
2 Elytral epipleura smooth; pronotum with sides broadly and evenly rounded. Elytra with striae 1–3 shallow on the disc and weakly punctate, intervals 1–5 completely flat and shiny.......................... africanum Rousseau, 1908 View in CoL ( Fig. 1 View FIGURES 1–3 )
- Elytral epipleura faintly punctate; pronotum with sides almost straight, evenly rounded only near the anterior angles....... 3
3 Elytra with intervals 1–4 almost as convex on the disc as on more lateral intervals, microreticulation on the sutural interval (interval I) almost isodiametric; pronotum with long rugae on the disc; apex of aedeagus truncate, apical lamella relatively long ( Fig. 6 View FIGURES 4–6 )........................................................................... pallidum View in CoL sp. n. ( Fig. 3 View FIGURES 1–3 )
- Elytra with intervals 1–4 clearly flatter on the disc than on more lateral intervals; microreticulation on the sutural interval more transverse; pronotum with elongated verricate pits on the disc; apex of aedeagus rounded, apical lamella short ( Fig. 5 View FIGURES 4–6 )............................................................................ distinctum Bänninger, 1918 View in CoL ( Fig. 2 View FIGURES 1–3 )
4 Last visible ventrite (VI) roughly and coarsely punctate throughout, or at least laterally, ventrites IV and V with transverse row of large punctures and a deep sulcus; Elytral epipleura punctate, either densely densely or at least with one or two punctures; disc of pronotum with a more or less visible transverse depression; maxillary palpi slender, with preapical palpomere slightly narrower than apical, apical palpomere fusiform with apex acute. “ minutum View in CoL ” species group.......................... 5
- Last visible ventrite (VI) smooth, ventrites IV and V without punctures and with a weak sulcus; Elytral epipleura smooth; maxillary palpi with preapical palpomere as wide as or wider than apical palpomere, apical palpomere elongate, subparallel, with apex obtuse..................................................................................... 11
5 Clypeus smooth...................................................................................... 6
- Clypeus punctate, with at least a few punctures along posterior edge............................................. 8
6 Elytral epipleura punctate; size small, 3.3–5.1 mm ........................................................... 7
- Elytral epipleura with a single puncture; size large, 6.4 mm; disc of pronotum flattened, with wide transverse depression, sides with widely explanate borders; head black, without pattern................................. schuelei sp. n. ( Fig. 22 View FIGURES 21–23 )
7 Very small, 3.3–3.5 mm; head, elytra, and pronotum brown, without metallic color; clypeo-frontal suture indistinct; elytra with striae on the disc of elytra shallow and with fine punctuation, intervals 1–7 flat................ secundum sp. n. ( Fig. 18 View FIGURES 17–18 )
- Larger, 4.8 mm; head, pronotum, and elytra with metallic pattern; clypeo-frontal suture distinct; elytra with striae on the disc of elytra deep, strongly punctate, intervals convex........................................ mimeticum sp. n. ( Fig. 23 View FIGURES 21–23 )
8 All striae of elytra very deep, all intervals equally convex..................................................... 9
- Elytral intervals 1–5th flattened on the disc; pronotum evenly and very densely punctate with punctures minute ................................................................................. clavareaui Rousseau, 1900 View in CoL ( Fig. 17 View FIGURES 17–18 )
9 Elytral epipleura punctate; ventrite VI punctate throughout................................................... 10
- Elytral epipleura almost smooth; ventrite VI punctate laterally only.......................... muellerae sp. n. ( Fig. 21 View FIGURES 21–23 )
10 Punctures on the disc of pronotum small and sparse, twice as dense on the sides; pronotum and head reddish brown, with metallic tinge only faintly present ................................................ minutum Dejean, 1831 View in CoL ( Fig. 7 View FIGURES 7–8 )
- Pronotum uniformly, very coarsely and densely punctate; pronotum and head with bright green or bluish tinge......................................................................................... riedeli Emden, 1932 View in CoL ( Fig. 8 View FIGURES 7–8 )
11 Metacoxa with one setiferous pore bearing a long seta and 2–13 punctures without setae. “ severini View in CoL ” species group....... 12
- Metacoxa with two setiferous pores bearing long setae, additional punctures only in species from Madagascar. “ capense View in CoL ” species group....................................................................................... 15
12 Clypeus with a furrow near anterior margin................................................................ 13
- Clypeus without any trace of a furrow near anterior margin, smooth; elytral striae shallow................................................................................................ capicola Chaudoir, 1868 View in CoL ( Figs. 86–87 View FIGURES 86–88 )
13 Metacoxa with 11–13 punctures and one setiferous pore bearing a long seta...................................... 14
- Metacoxa smooth, or with 1–2 asymetrically placed punctures, and one setiferous pore bearing a long seta; endophallus with two large groups of long spines ( Figs. 84–85 View FIGURES 84–85 )...................... oligoxanthum Kuntzen, 1919 View in CoL stat. n. (Figs. 62–64)
14 Elytra elongate and flattened, with intervals clearly flattened on the disc; pronotum with wide yellow band along anterior margin; endophallus with two groups of spines ( Figs. 74–75 View FIGURES 72–75 ) ....................... severini Dupuis, 1911 View in CoL ( Figs. 76–78 View FIGURES 76–78 )
- Elytra rounded and convex, intervals moderately convex on the disc; green pattern of pronotum extended to anterior margin; endophallus with one, preapical group of spines ( Fig. 92 View FIGURES 91–92 )................................... occultum sp. n. ( Fig. 88 View FIGURES 86–88 )
15 Species from Madagascar.............................................................................. 16
- Species from mainland Africa.......................................................................... 17
16 Elytra with 14 complete striae, stria 11 very short and represented by few punctures; endophallus with large patch of relatively long spines ....................................................... madagascariensis Chaudoir, 1850 ( Fig. 52 View FIGURES 52–53 )
- Elytra with 15 complete striae; endophallus with small patch of relatively short spines..... amandae Valainis, 2010 View in CoL ( Fig. 53 View FIGURES 52–53 )
17 Apex of aedeagus narrowly pointed ( Fig. 65 View FIGURES 65–67 ).............................. picturatum Boheman, 1860 View in CoL (Figs. 59–61)
- Apex of aedeagus broad and truncate ( Figs. 39–45 View FIGURES 39–45 ). O. capense View in CoL and its subspecies................................ 18
18 Aedeagus with apex moderately curved ventrally ( Figs. 39–42 View FIGURES 39–45 )................................................ 19
- Aedeagus with apex strongly curved ventrally ( Figs. 43–45 View FIGURES 39–45 ).................................................. 20
19 Male front tarsomere 1 in males moderately dilated ( Fig. 93 View FIGURES 93–97 ); body more rounded.................................................................................................... capense View in CoL capense Gory, 1833 View in CoL ( Figs. 27–30 View FIGURES 27–34 )
- Male front tarsomere 1 strongly dilated ( Fig. 97 View FIGURES 93–97 ); body elongate....................... capense View in CoL kmecoi ssp. n. ( Fig. 33 View FIGURES 27–34 )
20 Elytral striae punctured to apices, punctures in apical third fine but visible; dorsal dark areas with green tinge........... 21
- Elytral striae smooth in apical third; yellow pattern on elytra reduced, dorsal dark areas with purple tinge......................................................................................... capense View in CoL isolatum ssp. n. ( Fig. 34 View FIGURES 27–34 )
21 Body larger and slightly elongate; apex of aedeagus broader as in Fig. 43 View FIGURES 39–45 ...................................................................................................... capense View in CoL congoense Deleve, 1924 View in CoL stat. n. ( Fig. 31 View FIGURES 27–34 )
- Body smaller and more rounded, yellow pattern more extended; apex of aedeagus narrower as in Fig. 44 View FIGURES 39–45 ......................................................................................... capense View in CoL pumilum ssp. n. ( Fig. 32 View FIGURES 27–34 )
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