Arantia (Euarantia) latifolia Karsch, 1890
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publication ID |
https://doi.org/ 10.11646/zootaxa.4362.4.1 |
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publication LSID |
lsid:zoobank.org:pub:350690F1-97E4-4FF5-B51A-E32118F95FFF |
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DOI |
https://doi.org/10.5281/zenodo.6001458 |
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persistent identifier |
https://treatment.plazi.org/id/C9352751-FF88-FF95-FF4A-FE9EFE8FF9B8 |
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treatment provided by |
Plazi |
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scientific name |
Arantia (Euarantia) latifolia Karsch, 1890 |
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Arantia (Euarantia) latifolia Karsch, 1890 View in CoL ( Figs. 26 View FIGURES 26–29 , 90 View FIGURES 85–95 )
http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:464794
Karsch (1890). Entom. Nachricht., 16 (23): 356.
Type locality: CAMEROON. Barombi Station. Depository: MfN, Berlin. Kind of type: syntypes male and female. Syn. Arantia (Euarantia) ovalipennis Chopard, 1954
Chopard (1954). Mem. Inst. franc. Afr. Noire, 40 (2): 38.
Type locality: GUINEA. Nimba, N’Zo. Depository: MNHN, Paris. Kind of type: holotype female.
Material examined. CAMEROON. Barombi Station , Preuss, 3♂, 1♀ syntypes of A. latifolia ). Victoria, 1♂. Lolodorf, L. Conradt, 1♂, 1♀. Mundame, L. Conradt, 1♀. John-Albrechtshöhe 24.VI–13.VII.1896, L. Conradt, 1♂ ( MfN) . 3♂, 2♀. Mundame, 4♀. Dibongo-Sagana, 1♀ ( NMW). Mukonje Farm, R. Rohde, 3♂, 3♀. Buea 5♂, 2♀ ( NRMS). Dibongo 1♂, 1♀ ( NRMS). GUINEA. Mt . Nimba, N’Zo (holotype ♀ of A. ovalipennis ) ( MNHN). EQUATORIAL GUINEA . Bioko, 1♀ ( MNCN). TOGO . Kpalimé , Ft of Missahohe 29–31.VII.2013 (light trap), P. Moretto, 1♀ ( BMCP). DEMOCRATIC REPUBLIC CONGO . Sibiti, 1♀. San Benito 1885, 1♂. Libreville , 1904, 1♀ ( MNHN). Forest Banghi, 1♀ ( RBINS).
Measurements. Body length: 34.0; pronotum length: 6.5; hind femur: 31.0; tegmina length: 42.30; tegmina width: 15.1–23.4; tegmina length/width: 2.0–2.8; tegmina width/pronotum length: 2.3.
Characters. A. latifolia is a species of medium size (body length ♂ 32 mm, ♀ 35 mm) ( Fig. 26 View FIGURES 26–29 ). Karsch (1890) described both sexes, later Sjöstedt (1902) recorded one female from Itoki ( Cameroon). Bolívar (1906) reported one female from Fernando Póo ( Equatorial Guinea) and other specimens from Cameroon, and Griffini (1908) listed both sexes from Mukonje Farm ( Cameroon). A. latifolia is very distinctive because of its very wide, and rounded leaf-like tegmina. Two black spots at the base of the tegmina or a black stripe are typical. Further the veins of the tegmina form several large hexagons in which a small black spot is positioned centrally in most specimens. The antennae are thin and white-black annulate, about 1.5 times of the body length. The stridulatory area of A. latifolia males is callous and very short. Fore femora with 5–6 inner ventral spines, mid femora with outer ventral 0–5, and hind femora with 6–8 inner and 2–8 outer ventral dark-tipped spines. The male cerci are stout and hairy, and have almost the same size from base to apex; apically a sclerotized ridge is present ( Fig. 90 View FIGURES 85–95 ). Styli are absent. Lateral lobes of the ovipositor have a pointed protuberance, similar to those of A. marmorata and A. retinervis .
Distribution. Equatorial Guinea (Bioko = Fernando Póo), Cameroon, Togo, West and Central Africa.
Synonymic note. A. ovalipennis ( Fig. 27 View FIGURES 26–29 ) is here considered synonymous with A. latifolia . A. ovalipennis is known only from the holotype female ( Chopard 1954), and it was not collected ever since. Both species have wide leaf-like tegmina, and A. latifolia covers a distribution including also Guinea, and is a widespread species in central and western Africa.
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