Delta esuriens ssp. gracile (de Saussure, 1852)
Distribution in the Arabian Peninsula: Oman, United Arab Emirates (Roche 1981 as Delta campaniforme gracile;
Gillett & Gillett 2005 as D. c. gracile; Howarth & Gillett 2008 as D. c. gracile; Castro & Dvořák 2009; Gusen-
leitner 2013), Qatar, Yemen (Castro & Dvořák 2009). Extralimital distribution: Algeria, Egypt, edge of South Sahara to West Africa, Iran, Seychelles, Turkey.