taxonID	type	description	language	source
03E8A1587754FFCF1BB051395A11F9EF.taxon	materials_examined	Material examined. (1 male, BMNH): “ ANGOLA 1187 m, Cassamba, Luio River, 13.19398 S, 20.2235 E; 30. xi- 1. xii. 2019, // General Coll. & UV LED, Matsumoto, K. leg. Okavango Wilderness Project, BMNH (E) 2020 - 30 // NHMUK 014383836 // Simplocarina curticollis Pic, 1922 K. Matsumoto det. 2020 ”.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCF1BB051395A11F9EF.taxon	distribution	Distribution. Angola, Cote d’Ivoire, Democratic Republic of the Congo, Zimbabwe.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCF1BB051395A11F9EF.taxon	discussion	Remarks. This is the first country record for Angola of this genus and species. See Figure 14 for habitat.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCD1BB0527D5AD2F828.taxon	materials_examined	Type locality. Angola, Kangumbe, Lungué-Bungo River. Type materials. Holotype male, deposited at BMNH “ ANGOLA 1298 m, Kangumbe, Lungué-Bungo River, 12.58449 S, 18.66771 E; 18 - 21. xi. 2019, // General Coll., Matsumoto, K., James, H., Diedericks, G. leg. Okavango Wilderness Project, BMNH (E) 2020 - 30 ” with unique identification number “ NHMUK 014372343 ”. Additional label on red paper added “ Simplocarina angolensis sp. nov. K. Matsumoto det. 2020 HOLOTYPE ♂ ”.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCD1BB0527D5AD2F828.taxon	description	Description of holotype, male. Body: Elongate, oval, dorsum convex, BL: 2.5 mm, EL: 2.1 mm, EW: 1.9 mm, PL: 0.6 mm, PW: 1.4 mm and HW: 0.7 mm. Colour: Dorsal side black; venter brown to dark reddish brown, tibia brown, tarsal claws light brown. Dorsum. Overall surface covered with mixture of white and light brown setae emerging from the punctures. Head: Partially retracted into pronotum; dense punctuations present across surface, surface between punctures smooth. Antennae: 11 segmented, filiform, fully pubescent, antennomeres long and slender, 1 st AS widest and largest, 2 nd AS slightly narrower than 1 st AS, 3 rd to 7 th AS increase in width, 11 th AS oval. Pronotum: Transverse, widest at posterior, narrowest at anterior, narrower than elytra; anterior margin concave, posterior margin gently sinuate; lateral margin nearly convex; surface covered with moderately dense punctation, surface between punctures smooth and shiny. Scutellum: Subtriangular, large, lateral sides nearly straight. Elytra: Longer than wide; anterior margin sinuate; anterior lateral angle acute; lateral margins moderately curved from anterior end to anterior 2 / 3, curvature decreases towards the apex; surface with small dense punctuation across surface; elytral striae not visible; surface between punctures smooth and shiny. Venter. Overall surface with moderately dense punctures with setae emerging from the punctures. Prosternum: Concave on anterior margin; prosternal process twice as wide as long, lateral margin concave, posterior margin acute. Mesoventrite: Wider than long, narrows towards posterior; anterior margin concave where prosternal process fits, discrimen very small; lateral sub-parallel and gently curved, posterior nearly flat, anterior tri-sinuate. Metaventrite: Long and wide, flat in the middle; discrimen not visible. Abdomen: Five clearly visible ventrites. Intercoxal process sinuate with pointed apex. Posterior margin of 1 st and 2 nd ventrites convex, 3 rd to 4 th ventrites slightly concave, 5 th ventrite nearly semi-circle. Surface covered with long, light yellow, recumbent setae. Legs. Tibiae: Outer lateral and inner lateral margin gently convex. Tarsi: Simple, segments increase in length towards the apex. Tarsal claws: Short, narrow, symmetrical. Genitalia. Aedeagus long, gently curved in lateral view, and narrows relatively sharply from middle to apical end. Median lobe: Wide in lateral view, pointed at apex, longer than the parameres. Parameres: Apical emargination fused, apex semi-oval in ventral view, inner margin sinuates in lateral view. Female. Unknown.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCD1BB0527D5AD2F828.taxon	distribution	Distribution. Simplocarina angolensis Matsumoto sp. nov. is known only from the type locality (Figure 13 for habitat).	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCD1BB0527D5AD2F828.taxon	etymology	Etymology. The species named after Angola, where it was collected.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCD1BB0527D5AD2F828.taxon	discussion	Remarks. This new species is the second species of this genus.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587754FFCD1BB0527D5AD2F828.taxon	diagnosis	Differential diagnosis. Key to differentiate between Simplocarina curticollis Pic, 1922 and Simplocarina angolensis Matsumoto sp. nov.: 1. Outer margin of the elytra gently curved. Overall body shape more or less oval. In males the ratio of AB and BC for the genitalia is 3.7. Length of genitalia from apex of median lobe to the base of phallobase 0.70 mm. PL / EL = 3.6. Median lobe sharply pointed and slightly slender .......................................... Simplocarina angolensis Matsumoto sp. nov. – Outer margin of the elytra gently rounded. Overall body shape nearly circular. In males the ratio of AB and BC for the genitalia is 2.0 - 2.2. Length of genitalia from apex of median lobe to the base of phallobase 0.80 - 0.83 mm. PL / EL = 3.8 to 4.0. Median lobe slightly blunted and slightly broader ........................................ Simplocarina curticollis Pic, 1922	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587751FFC81BB054855E33FC71.taxon	materials_examined	Type locality. Angola, Cassamba, Luio River. Type materials. Holotype male, deposited at BMNH “ ANGOLA 1187 m, Cassamba, Luio River, 13.19398 S, 20.2235 E; 30. xi- 1. xii. 2019, // General Coll. & UV LED, Matsumoto, K. leg. Okavango Wilderness Project, BMNH (E) 2020 - 30 ” with unique identification number “ NHMUK 014383825 ”. Additional label on red paper added “ Byrrhinus angolensis sp. nov. K. Matsumoto det. 2020 HOLOTYPE ♂ ”. Paratype (2 male; BMNH, AMG): same locality data as the holotype, with unique identification number “ NHMUK 014383826 ” and “ NHMUK 014375572 ”. All paratype specimens have been labelled with a red paratype label: “ Byrrhinus angolensis sp. nov. K. Matsumoto det. 2020 PARATYPE ♂ ”.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587751FFC81BB054855E33FC71.taxon	description	Description of holotype, male. Body: Elongate, oval, dorsum convex, BL: 1.9 mm, EL: 1.5 mm, EW: 1.1 mm, PL: 0.4 mm, PW: 1.0 mm and HW: 0.5 mm. Colour: Dorsal side black; venter brown to dark reddish brown, tibia brown, tarsal claws brown. Dorsal and ventral surface densely covered with setae.. Dorsum. Head: Partially retracted into pronotum; overall surface smooth, no punctation across surface. Antennae: 11 segmented, filiform, fully pubescent, antennomeres long and slender, 1 st AS widest, 2 nd AS slightly narrower than 1 st AS, 3 rd to 6 th AS long and thin, 7 th to 11 th AS skewed oval. Pronotum: Transverse, widest at posterior, narrowest at anterior, narrower than elytra; anterior margin concave, posterior margin strongly sinuate; lateral margin nearly straight; surface covered with moderately dense punctation, surface between punctures smooth and shiny. Scutellum: Subtriangular, large, lateral sides slightly convex. Elytra: Longer than wide; anterior margin sinuate; anterior lateral angle obtuse; lateral margins gently curve from anterior end to anterior 2 / 3, increase in curvature towards the apex; surface with small and moderately dense punctuation; punctuation decreases in depth towards the elytral tip; elytral striae not clearly visible; surface between punctures smooth and shiny. Venter. Overall surface with moderately dense micro-punctures with setae emerging from the punctures. Prosternum: Concave on anterior margin; prosternal process as long than wide, lateral margin concave, posterior margin semi-oval. Mesoventrite: Wider than long, narrows towards posterior; anterior margin concave where prosternal process fits, discrimen very small; lateral sub-parallel and gently curved, posterior nearly flat, anterior trisinuate. Metaventrite: Wider than long, flat in the middle; discrimen thin and not clearly visible. Abdomen: Five clearly visible ventrites. Intercoxal process sinuate with pointed apex. Posterior margin of 1 st and 2 nd ventrites convex, 3 rd to 4 th ventrites slightly concave, 5 th ventrite nearly semi-circle. Surface covered with long, light yellow, recumbent setae. Legs. Tibiae: Outer and inner lateral margin convex. Tarsi: Simple, segments increase in length towards the apex. Tarsal claws: Short, narrow, symmetrical. Genitalia. Parameres twice as long as median lobe, long and slender, symmetrical, widest as base, apex acute, inner side near the apical end straight. Median lobe apex acute and slightly rounded, base to anterior 0.25 relatively straight, gentle convex curve near the apex. Phallobase strongly asymmetrical. Relatively sclerotised (Figures 7). Female. Unknown.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587751FFC81BB054855E33FC71.taxon	distribution	Distribution. Byrrhinus angolensis Matsumoto sp. nov. is known only from the type locality (Figure 14 for habitat).	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587751FFC81BB054855E33FC71.taxon	etymology	Etymology. The species named after Angola, where it was collected.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
03E8A1587751FFC81BB054855E33FC71.taxon	diagnosis	Differential diagnosis. According to the grouping system of Delève (1968), this new species would be in ‘ group one’, which has a triangular median lobe and symmetrical parameres. This new species can be distinguished by the inner side near the apical end of the parameres straight, apex of parameres acute, majority of the median lobe straight and parallel.	en	Matsumoto, Keita (2021): New species and records of Angolan Limnichidae (Coleoptera: Byrrhoidea). Zootaxa 4985 (1): 111-117, DOI: https://doi.org/10.11646/zootaxa.4985.1.7
