Quacchia, Ambra; Ferracini, Chiara; Bonelli, Simona; Balletto, Emilio; Alma, Alberto (20 February 2008). "Can the Geranium Bronze, Cacyreus marshalli, become a threat for European biodiversity?". Biodiversity and Conservation. 17 (6): 1429–1437. Bibcode:2008BiCon..17.1429Q. doi:10.1007/s10531-008-9350-3. S2CID20041252.
Quacchia, Ambra; Ferracini, Chiara; Bonelli, Simona; Balletto, Emilio; Alma, Alberto (20 February 2008). "Can the Geranium Bronze, Cacyreus marshalli, become a threat for European biodiversity?". Biodiversity and Conservation. 17 (6): 1429–1437. Bibcode:2008BiCon..17.1429Q. doi:10.1007/s10531-008-9350-3. S2CID20041252.
Quacchia, Ambra; Ferracini, Chiara; Bonelli, Simona; Balletto, Emilio; Alma, Alberto (20 February 2008). "Can the Geranium Bronze, Cacyreus marshalli, become a threat for European biodiversity?". Biodiversity and Conservation. 17 (6): 1429–1437. Bibcode:2008BiCon..17.1429Q. doi:10.1007/s10531-008-9350-3. S2CID20041252.