Figs 1–12 in Three new Lethrus species close to L. raymondi (Coleoptera: Geotrupidae) from the Balkan Peninsula

Figs 1–12. Head, frontal aspect. Maximally developed males: 1 – Lethrus (Lethrus) halkidikensis sp. nov. (holotype); 4 – L. (L.) perun sp. nov. (holotype); 7 – L. (L.) raymondi Reitter, 1890 (Greece: Néa Filadélfia – OHCB); 10 – L. (L.) strymonensis sp. nov. (holotype). Medium developed males: 2 – Lethrus (L.) halkidikensis sp. nov. (paratype, Greece: Tagarádes – OHCB); 5 – L. (L.) perun sp. nov. (paratype, Bulgaria: Khotovo – OHCB); 8 – L. (L.) raymondi (Greece: Néa Filadélfia – OHCB); 11 – L. (L.) strymonensis sp. nov. (paratype, Greece: Séres – OHCB). Underdeveloped males: 3 – Lethrus (L.) halkidikensis sp. nov. (paratype, Greece: Tagarádes – OHCB); 6 – L. (L.) perun sp. nov. (paratype, Bulgaria: Khotovo – OHCB); 9 – L. (L.) raymondi (Greece: Néa Filadélfia – OHCB); 12 – L. (L.) strymonensis sp. nov. (paratype, Greece: Séres – OHCB). Lettering: b – subapical tooth of ventral mandibular process, c – apical tooth of ventral mandibular process, d – inferiobasal tooth of ventral mandibular process, e – apical emargination of ventral mandibular process. Schematically, not to scale.