New data on Omotrachelus Kolbe, with description of five new species (Coleoptera; Curculionidae; Entiminae; Cneorhinini) Author Borovec, Roman text Zootaxa 2023 2023-10-20 5357 4 502 514 http://dx.doi.org/10.11646/zootaxa.5357.4.2 journal article 10.11646/zootaxa.5357.4.2 1175-5326 94D21266-10E6-426E-A18F-CB24A9D3A254 Omotrachelus angulatus Hustache, 1932 Omotrachelus angulatus Hustache, 1932: 33 . Chelyophyes hemisphaericus Marshall, 1944: 48 . Material examined. Chelyophyes hemisphaericus : Lectotype , here designated ( BMNH ): Ivory Coast, Bingerville [p] 12.II.1943 [hw] H. Alibert [p] on leaves of cacao [hw] / Pres. By Imp. Inst. Ent. B. M. 1943-87 [p] / Chelyophyes hemisphaericus, Mshl. TYPE ♁ [hw, Marshall´s handwriting] / Lectotypus Chelyophyes hemisphaericus Mshl., R. Borovec des. 2022 [p, red label] / Omotrachelus angulatus Hustache, R. Borovec det. 2022 [p]. Paralectotypes : 1 spec. ( BMNH ), same data as lectotype , but “COTYPE ♀ ”; 1 spec. ( BMNH ), same data as lectotype in first label / Pres. By Imp. Inst. Ent. B. M. 1945-25 [p] / Chelyophyes hemisphaericus, Mshl. [hw]. Both specimens are provided with paralectotype red label. Additional specimens have been examined from Ivory Coast : 4 specs., Abidjan , Banco Forest (Parc National du Banco), 05°23′03.8″ N , 04°03′11.2″ W , 22.iv.-1.v.2017 , 39–48 m , General Collection (night), Aristophanous A., Aristophanous M., Geiser M., Moretto P. leg. ( BMNH ). Remarks. This species was described based on 7 specimens from Ivory Coast , Bingerville, ii.1943 , H. Alibert leg. under the newly described genus as Chelyophyes hemisphaericus (not Chelophyes hemispaericus as stated in Kania 2004: 116 , 132). The genus and species were later synonymised by Kania (2004) with Omotrachelus angulatus Hustache, 1932 . The lectotype is pined, complete and well-preserved specimen, 4.31 mm long.