Key to the pupae of the genus Larinus

1. More than 40 setae on pronotum (Fig. 27)...................................... L. (s. str.) pollinis (Laicharting, 1781)

- Less than 15 setae on pronotum (Figs. 13, 41, 55)............................................................ 2

2. Pc very short, almost not visible (Figs. 12, 14)............................. L. (Larinomesius) obtusus Gyllenhal, 1835

- Pc distinct and long (Figs. 40–42, 54–56).................................................................. 3

3. Sas on head as horns (Figs. 40, 41). Seta 1 on abdominal segment I near anterior margin, remaining 8 setae close to posterior margin (Fig. 41)..................................................... L. (Phyllonomeus) sturnus (Schaller, 1783)

- Sas on head, no protuberance shaped as horns (Figs. 54, 55). Seta 1 on abdominal segment I in the line with the remaining 7 setae, all close to posterior margin (Fig. 55)............................ L. (Phyllonomeus) turbinatus Gyllenhal, 1836