Ornativalva sieversi is a moth of the family Gelechiidae. It was described by Otto Staudinger in 1871. It is found in southern and central European Russia, Iran and Afghanistan.funet.fiFauna Europaea
The wingspan is 15–17 mm.Berl. Ent. Z. 14 (3/4): 309
The host plant is unknown, but might be a Tamarix species.Bull. Br. Mus. nat. Hist. (Ent.) 34 (2) : 134
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