Acalles vorsti Stüben sp. n.

(Figs. 8–12)

Type material. Holotype. ♂: “ES [España: Islas Baleares: Palma de Mallorca] Sóller, Son Coll, N39°46'06" E02°40'12", 14.Apr. 2002, 300 m, Quercus forest, leg. O.Vorst, [Es212A]“, coll. CURCULIO-Institut, D- Mönchengladbach.

Paratypes. 2 ♂, 2 ♀: data as for holotype, coll. Stüben, coll. Vorst, coll. CURCULIO-Institut, D- Mönchengladbach.

DNAtype. ♀: data as for holotype, coll. ZFMK: Collectors no: 1358-PST_22183, ZFMK-DNA-100417602, ZFMK-TIS-22183; GenBank Acc. no CO1: KF680256, 16S: KJ720563

Differential diagnosis. The new species from the north of the Balearic Island of Mallorca belongs to the subgenus Acalles s. str. It is, from a morphological and molecular perspective, closely related to Acalles breiti A. & F. Solari, 1909 and should be compared with the lectotype of this species (a male, designated by Stüben 1999, coll. Solari: Museo Civico di Storia Naturale di Milano) from the type locality Valldemossa—only 6 km east of the type locality of the new species (Son Coll):