Platycerus in northern Italy. (A) Habitat of Platycerus caraboides in June 2024 (Piazzolo municipality, Bergamo province – viewed from about 850 m a.s.l.). (B) Oviposition scars made by P. caraboides on a dead branch (Piazzolo, Bergamo; 18 April 2025). (C) Third instar larva (Maser, Treviso; 29 April 2023), and (D) pupa of P. caraboides (Piazzolo, Bergamo; 17 August 2016). (E) Adult male of P. caraboides (Galbiate, Lecco; 21 April 2023). (F) Adult male of Platycerus caprea removed from its overwintering chamber in deadwood (Roana, Vicenza; 30 March 2019). (G) Parasitized third instar larva of P. caraboides by Dinera ferina (Maser, Treviso; 29 April 2023), showing protruded posterior spiracles (arrowhead). (H) Cocoon of D. ferina two days later, alongside host remains (arrow). (I) Adult female of D. ferina obtained from a third instar larva of P. caraboides (28 April 2017; host collected 30 December 2016, Piazzolo, Bergamo)
#LiteratureNotice Scaccini. Biology, life cycle, and environmental gradients of cool-adapted stag beetles: insights into Italian Platycerus species (Coleoptera: Lucanidae) doi.org/10.1007/s122... #Beetle #Beetles #stagbeetle #Platycerus #ecology
