Catalog of the Opilioacarida (Acari: Parasitiformes) Author Araújo, Marcel Santos De Laboratório de Estudos Subterrâneos, Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de São Carlos, Via Washington Luís, km 235, Caixa Postal 676, CEP 13565 - 905, São Carlos, São Paulo, Brazil. Author Palma, Antonella Di Department of Agriculture Food Natural Science Engineering (DAFNE), University of Foggia, Via Napoli 25, 71122, Foggia, Italy. Author Feres, Reinaldo José Fazzio Departamento de Zoologia e Botânica, Instituto de Biociências, Letras e Ciências Exatas (IBILCE), Universidade Estadual Paulista (UNESP), Rua Cristóvão Colombo 2265, São José do Rio Preto CEP 15054 - 000, Brazil text Zootaxa 2020 2020-12-16 4895 3 332 356 journal article 9280 10.11646/zootaxa.4895.3.2 d2e6cfb5-f377-411b-b1be-5b3bb4135c9e 1175-5326 4326711 D2CCF661-B1C9-45A5-B344-E01C519716C5 12.1. Siamacarus dalgeri Leclerc, 1989 Siamacarus dalgeri Leclerc 1989: 165–166 , no figs. (original description) Syntypes : LPC . THAILAND , Yala , south of Thailand , near the village of Ban Na Tham , 17 specimens were caught in the cave of Tham Sam Pao To (coll. P. Leclerc , 12.JUL.87), of which 3 F and 2 M were dissected and assembled in Canada balsam. In the nearby caves of Tham Meud and Tham Sua 17 and 38 specimens were harvested, respectively (coll. P. Leclerc , 11.JUL.87) . Distribution: Yala ( Thailand ). Etymology: Dedicated to D. Alger who discovered the first specimens in the cave of Tham Meud. Notes: Type information was obtained from the original paper.