New marine Thinophilus species (Diptera: Dolichopodidae: Hydrophorinae) from the Thai Andaman Sea coast and new records from peninsular Thailand Author Samoh, Abdulloh Author Satasook, Chutamas Author Grootaert, Patrick text European Journal of Taxonomy 2019 2019-03-12 505 1 20 journal article 27813 10.5852/ejt.2019.505 5eacc4c2-0f72-4ac8-8ba6-66814d99ba96 2118-9773 2612984 651E8F44-9C27-4B62-9FE6-489445BEF6B7 Thinophilus nigrilineatus Grootaert, 2018 Material examined THAILAND – Krabi Prov. • 4 ♂♂; Ko Lanta district , Ban Khlong Khun Raya , Khlong Yang ; 7°47′40.9″ N , 99°05′19.4″ E ; 26 Feb. 2015 ; A. Samoh leg.; sweep netting; PSUNHM • 2 ♂♂; Ko Lanta district , Siri Lanta Bridge , Ko Lantayai , Saladan ; 7°38′43.0″ N , 99°02′42.8″ E ; 26 Feb. 2018 ; A. Samoh leg.; sweep netting; PSUNHM . – Phang Nga Prov. • 1 ♀ ; Ban Tha Yai Pier , Bo Sane , Thap Pud ; 8°26′46.6″ N , 98°36′22.1″ E ; 15 Jul. 2018 ; A. Samoh leg.; sweep netting; PSUNHM . Distribution Andaman Sea ( Krabi and Phang Nga Provinces). Comments This species is also rare in Singapore where it was described from Semakau Island, an island south of the main island of Singapore . In a new survey of mangroves in Singapore from March to June 2018 , a single male was found along Belayer Creek (P. Grootaert, unpublished).