Orthoptera Tettigoniidae as indicators of biodiversity hotspots in the Guinean Forests of Central and West Tropical Africa Author Massa, Bruno 0000-0003-2127-0715 Department of Agriculture, Food and Forest Sciences, University of Palermo, Viale Scienze 13, 90128 Palermo, Italy (retired). bruno. massa @ unipa. it; https: // orcid. org / 0000 - 0003 - 2127 - 0715 bruno.massa@unipa.it text Zootaxa 2021 2021-05-21 4974 3 401 458 journal article 6215 10.11646/zootaxa.4974.3.1 f4836c21-a062-4226-8865-1c2fbbbbbbe3 1175-5326 4778159 D830FF11-A538-4FDB-80C0-E32DE3D10D43 Arantia ( Euarantia ) retinervis Karsch, 1889 Material examined . Liberia , Lofa County , Foya Proposed Protected Area ( 530m ) 10-19.XI.2017 ( MV Light Trap ), M. Aristophanous , S. Safian , G. Simonics , L. Smith ( 1♂ ) ; Liberia , Sinoe County , 6.5 km NW Jacksonville , Forest near Solve Problem Vill. ( 103m ) 23-27.I.2018 ( MV Light Trap ), M. Geiser , S. Safian , G. Simonics ( 2♂ ) ; Sierra Leone , Tiwai Is. , Moa River ( 120m ) ( light trap ) 17-22.VI.2016 , H. Takano , W. Miles , R. Goff ( 1♂ ) ( ANHRT ). Distribution . Previously known from Sierra Leone , Guinea , Togo , Côte d’Ivoire , Equatorial Guinea , Central African Republic , Democratic Republic of Congo , Cameroon and Gabon ( Hemp & Massa 2017 , Massa 2021a ), now recorded also from Liberia .