Id based on the following list of features:
Number of trichobothria on the ventral side of the pedipalp: 4
Number of trichobothria on the ventral side of patella: 9 (9-10 in E. celanus)
Trichobothria on the external side of patella (6th-7th photo): et=8 (7-8 in E. celanus), est=4, em=4, esb=2, eba=5, eb=4.
Number of pectinal teeth: 8 (9-10 in males, 7 to 9 in females), so it is a female.

List of features shown here: http://euscorpiuseco.altervista.org/euscorpius.html#Il_riconoscimento_delle_specie

Edit: the id. was also confirmed in the Natura Mediterraneo forum: https://www.naturamediterraneo.com/forum/topic.asp?TOPIC_ID=318438