Tsushima, Yusuke; Nakamura, Kayo; Tagami, Yohsuke; Miura, Kazuki (April 2015). "Mating rates and the prevalence of male-killing Spiroplasma in Harmonia axyridis (Coleoptera: Coccinellidae)". Entomological Science. 18 (2): 217–220. doi:10.1111/ens.12113. S2CID83582284.
Jiggins, F. M.; Hurst, G. D. D.; Jiggins, C. D.; Schulenburg, J. H. G. v d; Majerus, M. E. N. (2000). "The butterfly Danaus chrysippus is infected by a male-killing Spiroplasma bacterium". Parasitology. 120 (5): 439–446. doi:10.1017/S0031182099005867. PMID10840973. S2CID34436795.
Jiggins, F. M.; Hurst, G. D. D.; Jiggins, C. D.; Schulenburg, J. H. G. v d; Majerus, M. E. N. (2000). "The butterfly Danaus chrysippus is infected by a male-killing Spiroplasma bacterium". Parasitology. 120 (5): 439–446. doi:10.1017/S0031182099005867. PMID10840973. S2CID34436795.
Tsushima, Yusuke; Nakamura, Kayo; Tagami, Yohsuke; Miura, Kazuki (April 2015). "Mating rates and the prevalence of male-killing Spiroplasma in Harmonia axyridis (Coleoptera: Coccinellidae)". Entomological Science. 18 (2): 217–220. doi:10.1111/ens.12113. S2CID83582284.
Jiggins, F. M.; Hurst, G. D. D.; Jiggins, C. D.; Schulenburg, J. H. G. v d; Majerus, M. E. N. (2000). "The butterfly Danaus chrysippus is infected by a male-killing Spiroplasma bacterium". Parasitology. 120 (5): 439–446. doi:10.1017/S0031182099005867. PMID10840973. S2CID34436795.