Checklist of Gyrinidae, Haliplidae, Noteridae and Dytiscidae of Turkey (Coleoptera: Adephaga) Author Darilmaz, Mustafa C. Author Kiyak, Suat text Journal of Natural History 2009 2009-06-16 43 25 - 26 1585 1636 http://dx.doi.org/10.1080/00222930902993682 journal article 10.1080/00222930902993682 1464-5262 5216613 Hydroporus tristis (Paykull, 1798) Synonyms Dytiscus tristis Paykull, 1798 ; Hydroporus ampliceps J.R. Sahlberg, 1921 ; Hydroporus ruficapillus Mannerheim, 1852 ; Hydroporus varians LeConte, 1850 Distribution in Turkey No locality data ( Zimmermann 1931 ; Guignot 1947 ; Franciscolo 1979 ).