Solariola angelinii Bellò, Osella & Baviera sp.n.

(Figs 18, 18a, 18b, 18c, 18d, 18e, 45c, 64, 64 ’, 107, 150, 193) http://zoobank.org/ urn:lsid:zoobank.org:act: 665E2DD9-6858-4D8B-9FAB-146BD45D9B26

Type locality. Calabria, Reggio Calabria, Aspromonte Mountains, Antonimina, 850m (Fig. 244) .

Diagnosis. A small size Solariola (TL: 2.5 0–2.85 mm; BL: 2.05–2.35 mm) belonging to the gestroi group with more robust body shape. Within the species group, it is recognisable by black–brownish cuticle, elytra sub-oval to sides and vaulted on disc, vestigial eyes clearly convex and well visible. Rostrum quite short (RL: 0.40–0.45 mm, RW: 0.30–0.35 mm, RL/RW: 1.29–1.33). Mesorostrum carinae divergent to sides. Forehead convex (FW/MW: 2.00–2.00). Submentum with short, whitish-yellowish pappolepida. Antennae with short scape and funicle long and thin (SL: 0.50– 0.50 mm, FL: 0.75– 0.75 mm, SL/FL: 0.67–0.67). Pronotum just longer than wide (PL: 0.58–0.67 mm, PW: 0.57–0.65 mm, PL/PW: 1.02–1.03) without echinopappolepida at base. Oval-elongate elytra, dorsally vaulted (EL: 1.50–1.75 mm, EW: 0.80–0.95 mm, EL/EW: 1.84–1.88).

Type series. Holotype male with following labels: (genitalia in DHMF) [transparent label] / ♂ [w, p] / I[taly], Cal [abria], RC, Aspromonte, Antonimina, 27. IV. 2012, leg. Baviera [w, p] / Collezione Cesare Bellò, Castelfranco Veneto [g, p] / Solariola angelinii Holotype det. Bellò, Osella & Baviera, 2018 [r, p] / esemplare fotografato by Francesco Sacco [y, p] (CBE) .

Paratypes. Twenty specimens (8 males and 12 females) with following labels: I , Calabria, RC, Antonimina, 850m, vaglio Quercus, 38°16.961’N 16°07.516’E, 27. IV. 2012 , Baviera leg. [w, p] / Collezione Cesare Bellò, Castelfranco Veneto [g, p] / Solariola angelinii paratype det. Bellò, Osella & Baviera, 2018 [r, p] (CBA, CBE), 4 exx; I, Calabria, RC, Antonimina, 800m, vaglio Quercus, 38°16.961’N 16°07.516’E, 22.V.2013 , Baviera leg. [w, p] / Collezione Cesare Bellò, Castelfranco Veneto [g, p] / Solariola angelinii paratype det. Bellò, Osella & Baviera, 2018 [r, p] (CBA, CBE, MTE), 7 exx; I, Calabria, RC, da Zomaro ad Antonimina, 840m, vaglio Fagus, 11. 3. 2014, Bellò & Chemello , Baviera legg. [w, p] / N38°17.240’ E016°07.392’ [w, p] / Collezione Cesare Bellò, Castelfranco Veneto [g, p] / Solariola angelinii paratype det. Bellò, Osella & Baviera, 2018 [r, p] (CBA, CBE), 6 exx; Aspromonte (RC), Antonimina, leg. Baviera [w, p] / RCAN 1.1 [w, p] / Collezione Cesare Bellò, Castelfranco Veneto [g, p] / Solariola angelinii paratype det. Bellò, Osella & Baviera, 2018 [r, p] (CBA), 1 ex.

Additional material examined. One female with following labels: Calabria, Aspromonte (RC), Cirella, 6. VI. 1994, Angelini [w, p] / Solariola gestroi hirtula Solari det L. Diotti, 2012 [w, p] / Collezione Cesare Bellò [g, p] / Solariola angelinii det. Bellò, Osella & Baviera, 2018 [w, p].

Holotype description. Male. See Figs 18, 18a, 18b, 18c, 18d, 18e. Oval-elongate body (T L: 2.50 mm, BL: 2.05 mm). Black–brownish cuticle.

Rostrum short (RL: 0.40 mm, RW: 0.30 mm, RL/RW: 1.33), conical to sides with pterygium very expanded. Epistome absent. Mesorostrum carinae just divergent to sides. Submentum with short, whitish-yellowish pappolepida, also partially visible around mesorostrum. Interocular pit visible. Forehead convex (FW/MW: 2.00). Vestigial eyes clearly convex and well visible.

Antennae with short scape and funicle long and thin (SL: 0.50 mm, FL: 0.75 mm, SL/FL: 0.67); AS ratio: 6.5.4.3.3.3.4.12. Scape clubbed, slightly more robust than funicle, curved at proximal third and progressively thickening towards apex. Funicle segments with elongate and thin setae. Club three-segmented, fusiform, in length twice the width, densely covered by thin setae.

Pronotum just longer than wide (PL: 0.58 mm, PW: 0.57 mm, PL/PW: 1.02), wider in the middle and without echinopappolepida at base. Scutellum concealed.

Elytra oval-elongate to sides, dorsally vaulted (EL: 1.50 mm, EW: 0.80 mm, EL/EW: 1.88), wider at middle with convex suture. Humeri obliquely rounded. Striae with 13–14 well defined punctures, catenulate, almost deep. Interstriae convex, with thin and elongate setae semi-erect. Elytral declivity>60 degrees.

Legs short and robust with femora clubbed. Protibia with eight acute spines on inner edge and an evident mucro on inner apical angle. Protibia slightly sinuous on inner edge and slightly curved in side view. Metatibia and mesotibia straight in side view. All tibia with noticeable apical comb. Tarsal segment 1 short, conical; segment 2 short and transverse; segment 3 very bilobed; all segments with thin golden setae. Onychium curved, robust and short with one short claw.

Male genitalia. See Figs: dorsal shape aedeagus Fig. 64; apex of penis Fig. 64 ’; IX sternite Fig. 107.

Female genitalia. See Figs: spermatheca Fig. 150; VIII sternite Fig. 193.

Sexual dimorphism. Males can usually be recognized by their smaller size, slender appearance, more rounded humeri, legs stronger with a more noticeable apical mucro, and ventrites 1 and 2 slightly hollowed.

Paratypes variability. Paratypes, sexual dimorphism excluded, are similar to the holotype but differs in size.

Distribution. See Figs. 222, 222a. Italian endemic. Known from Reggio Calabria, surroundings of Antonimina type locality at 250–850 meters of elevation.

Etymology. This species is named after our friend and colleague Angelini (Ferdinando), specialist in soil beetles, in appreciation and gratitude for his cooperation in our study on Peritelini .

Ecology and Phenology. Adults are from March to May, collected by sifting leaf litter either of Fagus or of Quercus .

Main soil type. Orthic Luvisol ( European Soil Data Centre; Panagos et al. 2012) .

Reproduction. Amphigonic.

Associated species. Sympatric with Pseudomeira erinacea Bellò & Baviera, 2011 .