Blowfly Trypocalliphora braueri larvae infestation in Willow Warbler Phylloscopus trochilus nestlings on the Kola Peninsula, Russia
DOI:
https://doi.org/10.34080/os.v35.26570Keywords:
birds, breeding, subcutaneous parasite, nestling survival, wildlife diseaseAbstract
The blowfly Trypocalliphora braueri is a subcutaneous parasite infesting nestlings. We investigated the occurrence of blowfly larvae in Willow Warbler Phylloscopus trochilus nestlings on the Kola Peninsula, Russia, in 2023–2024. The infestation rate was 46.9% of nests and 37.9% of chicks. The highest infestation rates were observed during a season with a late beginning of bird breeding and an unusually warm summer. In the infested nests, 86.2% (28.6–100%) of nestlings contained 1–11 larvae. Chicks with many larvae or with vital organ damage died. Nestling survival in the infested nests decreased by 15.4% compared to that in uninfected nests, but these differences were not statistically significant. We also found no significant differences in infestation rates between areas with varying levels of anthropogenic pressure.
Downloads
References
Åkesson S, Hedenström A, Bensch S & Irwin DE. 2002. Blowfly Trypocalliphora braueri (Diptera: Calliphoridae) larvae infestation in Willow Warblers Phylloscopus trochilus breeding in a hybrid zone. Ornis Svecica 12: 83–88. https://doi.org/10.34080/os.v12.22840 DOI: https://doi.org/10.34080/os.v12.22840
Eastman MD, Johnson LS & Kermott LH. 1989. Ectoparasitism of nestling house wrens, Troglodytes aedon, by larvae of the blow fly Protocalliphora braueri (Diptera: Calliphoridae). Canadian Journal of Zoology 67: 2358–2362. https://doi.org/10.1139/z89-333 DOI: https://doi.org/10.1139/z89-333
Gaponov SP & Truphanova EI. 1995. Protocalliphora azurea and Trypocalliphora braueri (Diptera, Calliphoridae) in bird nests from the Central Black Earth region of Russia. Zoologicheskii Zhurnal 74: 77–82. (In Russian.)
Gaponov SP & Tewelde TR. 2019. Parasitic species of Calliphorida (Diptera, Calliphoridae) in bird nests in Voronezh urban systems. Herald of Tver State University. Biology and Ecology 3: 112–122. (In Russian with English summary.) https://doi.org/10.26456/vtbio103 DOI: https://doi.org/10.26456/vtbio103
Howe FP. 1992. Effects of Protocalliphora braueri (Diptera: Calliphoridae) parasitism and inclement weather on nestling Sage Thrashers. Journal of Wildlife Diseases 28: 141–143. https://doi.org/10.7589/0090-3558-28.1.141 DOI: https://doi.org/10.7589/0090-3558-28.1.141
Matsuoka SM, Handel CM & Roby DD. 1997. Nesting ecology of Townsend’s warblers in relation to habitat characteristics in a mature boreal forest. Condor 99: 271–281. https://doi.org/10.2307/1369933 DOI: https://doi.org/10.2307/1369933
Pavel V, Chutný B, Petrusková T & Petrusek A. 2008. Blow fly Trypocalliphora braueri parasitism on Meadow pipit and Bluethroat nestlings in Central Europe. Journal of Ornithology 149: 193–197. https://doi.org/10.1007/s10336-007-0259-5 DOI: https://doi.org/10.1007/s10336-007-0259-5
Prokofieva IV. 2000. Bloodsucking insects and Acarines recorded on nesting birds in Leningrad Province. Russian Journal of Ornithology 9: 12–17. (In Russian). Available at: https ://cy berle ninka .ru/a rticl e/n/s lucha i-obn aruzh eniya -krov ososu schih -nase komyh -i-kl esche y-u-p tits- vo-vr emya- gnezd ovani ya-v- lenin grads koy-o blast i/vie wer
Rognes K. 1991. Blowflies (Diptera, Calliophoridae) of Fennoscandia and Denmark. Fauna Entomologica Scandinavica 24: 1–272. https://doi.org/10.1163/187631291x00165 DOI: https://doi.org/10.1163/9789004273498_024
Shutova EV. 1986. On the biology of Calliphorids (Calliphoridae, Diptera) parasitic on passerine bird nestlings. Fauna and Ecology of Invertebrate Animals in Nature Reserves of the RSFSR. Moscow: 71–82. (In Russian.)
Shutova EV. 1997. Influence of the parasitization of the Calliforidae (Diptera) on the survival of passerine birds. Russian Journal of Ornithology 22: 8–12. (In Russian.) Available at: https ://cy berle ninka .ru/a rticl e/n/v liyan ie-pa razit irova niya- kalli forid -call iphor idae- dipte ra-na -vyzh ivani e-pte ntsov -voro binyh -ptit s/vie wer
Streby HM, Peterson SM & Kapfer PM. 2009. Fledging success is a poor indicator of the effects of bird blow flies on Ovenbird survival. Condor 111: 193–197, https://doi.org/10.1525/cond.2009. 080095 DOI: https://doi.org/10.1525/cond.2009.080095
Timoshkin VB. 2019. Nestlings of passerine birds infested with larvae of Trypocalliphora braueri (Diptera, Calliphoridae) in the Yenisei River region in Siberia. Entomological Review 99: 384–387. https://doi.org/10.1134/S0013873819030096 DOI: https://doi.org/10.1134/S0013873819030096
Warner RE. 1968. The role of introduced diseases and the extinction of the endemic Hawaiian avifauna. Condor 70: 101–120. https://doi.org/10.2307/1365954 DOI: https://doi.org/10.2307/1365954
Warren Y. 1994. Protocalliphora braueri (Diptera: Calliphoridae) induced pathogenesis in a brood of marsh wren (Cistothorus palustris) young. Journal of Wildlife Diseases 30: 107–109. https://doi.org/10.7589/0090-3558-30.1.107 DOI: https://doi.org/10.7589/0090-3558-30.1.107
Whitworth T. 2012. Bird blow fly. Available at: https ://ww w.bir dblow fly.c om/ge neral info. html. Accessed 26 September 2024.

Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2025 Maria Matantseva, Sergey Simonov

This work is licensed under a Creative Commons Attribution 4.0 International License.
The copyright of each contribution belongs to the author(s), but all contributions are published under a Creative Commons license, so that anyone is free to share and reuse the contribution as long as the copyright holder is attributed.