Taxonomic review of the genus Hydria Hbner, 1822 (Lepidoptera, Geometridae, Larentiinae) in the Middle East, with description of three new species and one new subspecies.

The species of the genus Hydria in the Middle East are revised. The revision is based on morphological examination and genetic data (DNA-barcode). Additionally, information on the habitat preference, pre-imaginal stages and biology of the species are given as much as available.