Biodiversity research of darkling beetles on Socotra Island. Part I. The genus Deretus Gahan, 1900 (Coleoptera: Tenebrionidae) Author Purchart, Luboš text Zootaxa 2012 3153 57 68 journal article 45703 10.5281/zenodo.211332 7ee29426-108f-4393-ab96-28df5a11092b 1175-5326 211332 Genus Deretus Gahan, 1900 Deretus Gahan, 1900 : 10 . Type species: Deretus denticollis Gahan, 1900 : 10 .— Gahan 1903 : 281 ; Gebien 1942 : 902 [817]; Koch 1970 : 124 ; Schawaller 2004 : 454 –457; Löbl et al. 2008 : 249 .