Ips cembrae
| Ips cembrae | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Curculionidae |
| Genus: | Ips |
| Species: | I. cembrae
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| Binomial name | |
| Ips cembrae Heer 1836
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Ips cembrae, known generally as larch bark beetle or eight-toothed larch bark beetle, is a species of typical bark beetle in the family Curculionidae. Its habitat is Euro-Siberian, ranging from sea level to sub-alpine.[2] It was first recorded in Great Britain in 1955.[3] Populations were said to be found in Japan and China, but further research determined that those were actually Ips subelongatus.[4]
The insect measures around 5 mm and has a dark brown to black colour. The species is considered hard to distinguish visually from Ips typographus.[4]
As a pest
[edit]Ips cembrae is native to most of its habitat and is considered less of a pest risk than Ips typographus.[1] The beetle mainly affect the European larix, larix decidua, especially during periods of drought.[3][5] Besides damage from digging tunnels, the beetle also spreads fungi between trees.
Parasites
[edit]The species can be infected by several nematode parasites: Contortylenchus, Parasitylenchus, Cryptaphelenchus and Parasitorhabditis endoparasites, Micoletzkya under the wings as phoretic parasites. Laimaphelenchus and Bursaphelenchus are found in the frass.[6]
References
[edit]- ^ a b EPPO/CABI 1997. Ips typographus. In: Quarantine pests for Europe, 2nd edn. Ed. by Smith IM, McNamara DG, Scott PR, Holderness M, CAB International, Wallingford.
- ^ Grodski, Wojciech. "Ips cembrae Heer (Col.: Curculionidae, Scolytinae) in young larch stands–a new problem in Poland." Forstschutz Aktuell 44 (2008): 8-9.
- ^ a b Crooke, Myles; Bevan, D. (1957). "Note on the First British Occurrence of Ips Cembrae Heer (Col. Scolytidae)". Forestry: An International Journal of Forest Research. 30: 21–28. doi:10.1093/oxfordjournals.forestry.a063092.
- ^ a b Jeger, Michael; Bragard, Claude; Caffier, David; Candresse, Thierry; Chatzivassiliou, Elisavet; Dehnen‐Schmutz, Katharina; Gilioli, Gianni; Jaques Miret, Josep Anton; MacLeod, Alan; Navajas Navarro, Maria; Niere, Björn; Parnell, Stephen; Potting, Roel; Rafoss, Trond; Rossi, Vittorio; Urek, Gregor; Van Bruggen, Ariena; Van Der Werf, Wopke; West, Jonathan; Winter, Stephan; Kertész, Virág; Aukhojee, Mitesha; Grégoire, Jean‐Claude; Grégoire, J. C. (2017). "Pest categorisation of Ips cembrae". EFSA Journal. 15 (11): e05039. doi:10.2903/j.efsa.2017.5039. PMC 7009832. PMID 32625339.
- ^ Hougardy, Evelyne, and J-C. Grégoire. "Biological differences reflect host preference in two parasitoids attacking the bark beetle Ips typographus (Coleoptera: Scolytidae) in Belgium." Bulletin of entomological research 94.4 (2004): 341-347.
- ^ Grucmanová, Š., Holuša, J., Čermák, V., & Nermuť, J. (2015). Nematodes associated withIps cembrae(Coleoptera: Curculionidae): comparison of generations, sexes and sampling methods. Journal of Applied Entomology, 140(5), 395–403. doi:10.1111/jen.12269
Further reading
[edit]- Crooke, Myles, and D. Bevan. "Note on the first British occurrence of Ips cembrae Heer (Col. Scolytidae)." Forestry 30.1 (1957): 21–28.
- "Ips cembrae and Ips subelongatus". EPPO Bulletin. 35 (3): 445–449. 2005. doi:10.1111/j.1365-2338.2005.00880.x.
External links
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Media related to Ips cembrae at Wikimedia Commons
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