Key to species (14) of S. paganettii group

1. Pro–femora sub-dentate or dentate (Figs. 30, 30e)........................................ S. paganettii (Flach, 1905)

1’ Pro–femora edentate or clubbed.......................................................................... 2

2. Pronotum as long as wide (PL/PW ratio 1.00–1.04) (Figs. 41, 41e).............................. S. pentaphyllica sp.n.

2’ Pronotum more or less elongate (PL/PW ratio 1.08–1.20)...................................................... 3

3. Elytral punctures wider, deeper (Figs. 34, 34a). Rostrum with lots of pappolepida...................... .. S.comata sp.n.

3’ Elytral punctures more or less wide and deep. Rostrum with pappolepida......................................... 4

4. Large size (3.00– 3.90mm). Elytral punctures spaced, small. (Figs. 36–36c)......................... S.margaritae sp.n.

4’ Small to medium size (2.15–3.30mm). Elytral punctures more or less spaced and wide.............................. 5

5. Elytra sub-oval to sides. Protibia longer and less robust (Sicily)................................................. 6

5’ Elytra sub-parallel to sides. Protibia shorter and more robust. (Calabria, S. rosae excluded).......................... 10

6. Elytral punctures deeper, wider. Interstriae more elevated (Figs. 33–33c)..................... S. pesarinii Baviera, 2015

6’ Elytral punctures less deep or less wide. Interstriae less elevated or flat........................................... 7

7. Rostrum ratio: RL/RW 1.50–1.75. Slim antennae. (Figs. 32–32e)........................ S. vitalei A. & F. Solari, 1923

7’ Rostrum ratio: RL/RW 1.28–1.33. Less slim antennae........................................................ 8

8. Elytral declivity>75 degrees. Rostral carinae sub-parallel to sides (Figs. 42–42e)..................... S. raphaelis sp.n.

8’ Elytral declivity moderate (45 degrees). Carinae on rostrum divergent to sides..................................... 9

9. Pronotum sinuate to sides. Protibiae straight (Figs. 39–39e)....................................... S. nemoralis sp.n.

9’ Pronotum rounded to sides. Protibiae slightly curved (Figs. 35–35e)................................ S. gratiensis sp.n.

10. Elytral setae longer, semierect. Ratio: RL/RW 1.29–1.33 (Figs. 43–43e). (Sicily)......................... S. rosae sp.n.

10’ Elytral setae less long, raised or recumbent. Rostrum ratio: RL/RW 1.34–1.56. (Calabria)........................... 11

11. Elytra (EL/EW: 2.00–2.18) with long setae. SL/FL 0.63–0.67. (Figs. 40–40e)............................ S. pacei sp.n.

11’ Elytra (EL/EW: 2.00–2.01) with more or less short setae. SL/FL 0.71–0.79....................................... 12

12. Pronotum (PL/PW ratio 1.10–1.20) with maximum width in the distal part. Rostrum ratio: RL/RW 1.43–1.50. (Figs. 31–31e)........................................................................... S. hirtula (A. & F. Solari, 1923)

12’ Pronotum (PL/PW ratio 1.08–1.09) with maximum width in the basal half or at middle. Rostrum ratio: RL/RW 1.34–1.42... .................................................................................................. 13

13. Elytral punctures wide, deep. Pronotum with maximum width at middle. Protibiae short, robust. (Figs. 37–37e)............................................................................................ S. mariaetheresiae sp.n.

13’ Elytral punctures small, less deep. Pronotum with maximum width in the basal half. Protibiae less short, less robust. (Figs. 38–38e).................................................................................. S. melonii sp.n.