This name is a synonym of Ophrys scolopax subsp. cornuta (Steven) E.G.Camus.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 463675) with original publication details: Ber. Arbeitskreis. Heimische Orchid. 26(2): 53 2009.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Ophrys oestrifera in version 1 of The Plant List.