Delenda frivaldszkyi ( Reitter), 1893

Bekchiev, Rostislav & Brachat, Volker, 2014, Revision of the genus Delenda Croissandeau, 1891 (Coleoptera: Staphylinidae: Pselaphinae), Zootaxa 3765 (6), pp. 583-592 : 587-588

Delenda frivaldszkyi ( Reitter), 1893 status restitutus

( Figs. 1, 3 b, 6b, 7a, 8)

Eusonoma frivaldskyi Reitter, 1893: 173 (original description).

Delenda carthago Croissandeau : Raffray, 1904: 500 (catalogue); Löbl and Besuchet, 2004: 295 (catalogue); Karaman, 1969: 14 (redescription); Bekchiev, 2010: 49; Bekchiev, 2013: 433 (faunistic record).

Material examined. (29 ♂♂, 26 ♀♀). Holotype: Constantinople, Belgrad Wald, 1 ♀. ( HNHM); Belgrad Wald, Bodemayer, 1 ex.; (1 ♂, 1 ♀) Bulgaria, Stranzha Mts., Papia Hill, N42.10658 E27.84337, 343 m, 16.04.2009, leg. R. Bekchiev; (1 ♂) Bulgaria, Strandzha Mts., Indipasha, N42.00469 E27.65255, 211 m, 18.4.2009, leg. R. Bekchiev; (2 ♂♂, 2 ♀♀) Bulgaria, Strandzha Mts., Marina reka, N42.11158 E27.76472, 172 m, 0 8.5.2009, leg. R. Bekchiev; (1 ♂) Bulgaria, Strandzha Mts., Mechi dol (Aidere), N42.03087 E27.51392, 206 m, 10.6.2009, leg. R. Bekchiev; (1 ♂) Bulgaria, Strandzha Mts., Slivarovo, N41.96997 E27.65864, 338 m, 25.9.2009, leg. R. Bekchiev; (1 ♂, 4 ♀♀) Bulgaria, Strandzha Mts., Valchanov most, N41.94416 E27.60006, 281 m, 18.4.2010, leg. R. Bekchiev; (10 ♂♂, 5 ♀♀) Turkey, Strandzha Mts., Demirkoy, N41.79940 E27.73470, 593 m, 0 6.7.2009, leg. R. Bekchiev; (1 ♂, 1 ♀) Turkey, Strandzha Mts., Sislioba, N 41.96202 E27.90977, 52 m, 0 3.10.2009, leg. R. Bekchiev; (11 ♂♂, 12 ♀♀) Turkey, Strandzha Mts., Kizliagac, N41.68393 E27.88095, 141 m, 24.5.2011, leg. R. Bekchiev. ( MNHB, NMNHS, PCPH, PCVB).

Redescription. Male, length 1.47–1.56 mm. Head wider than long, HL 0.23–0.24 mm, HW 0.31–0.32 mm; eyes each composed of about 10–30 facets. Antennal length 0.38 – 0.46 mm. Labrum as in Fig. 3 b. Pronotum about as long as wide, PL 0.26–0.34 mm, PW 0.32–0.34 mm. Elytra wider than long, EL 0.22–0.24 mm, EW 0.34–0.36 mm. Legs short, without any modifications. Abdomen with first visible tergite (IV) wider than long (0.43–0.46/ 0.18–0.20 mm); second (V) — 0.50–0.52/ 0.20–0.21 mm; third (VI) — 0.44–0.48/ 0.20–0.21 mm. Length of aedeagus 0.22–0.24 mm, as in Fig. 6 b; parameres large, triangular in shape, rounded at apex. Female. Similar to male: BL 1.41–1.50 mm, HL 0.24–0.26 mm, HW 0.32–0.34 mm, PL 0.30–0.31 mm, PW 0.32–0.34 mm, EL 0.23–0.24 mm, EW 0.36–0.38 mm.

Biology. Most specimens have been collected by sifting leaf litter in mesophyllous Fagus forest with an undergrowth comprised of Rhododendron ponticum . Found more rarely in Quercus sp. forest.

Distibution. Bulgaria, Turkey, European part ( Fig. 8 ).

Figures

FIGURE 3. Labrum of Delenda species (dorsal view, scale — 0.1 mm): a) D. carthago; b) D. frivaldszkyi; c) D. rhodopensis sp. n.

FIGURE 6. Aedeagi of Delenda species, lateral, right view (scale — 0.1 mm): a) D. carthago; b) D. frivaldszkyi; c) D. rhodopensis sp. n.

FIGURE 8. Distribution of Delenda species: blue dots — D. carthago; green — D. frivaldszkyi; red — D. rhodopensis sp. n.