Institut ekologii rasteniy i zhivotnyh UrO RAN
Populations of the Colorado potato beetle exhibit by a high level of polymorphism, which enables them to have high ecological plasticity and quickly adapt to various conditions. Our research examines the variability of the pattern of the central part of the pronotum of the Colorado potato beetle Leptinotarsa decemlineata in samples collected from two localities of the Middle Urals over several years. New variants of the pattern are described, which have not been previously observed in the European part of the Russian Federation. Higher degree of melanization is typical for these variations. Furthermore, these variants are characterized by the merging of the central stripes with each other and with the lower spot. In the populations of the Middle Urals, variants 1–3 dominated with a cumulative frequency of occurrence of 32–55 %; and a new variant a was found in significant quantities (5–12 %). In total, the frequency of newly registered variants with increased melanization was 17–36 %. A well-expressed long-term variability in the frequencies of variants of the pronotum pattern was discovered, associated with a gradual increase in the frequency of occurrence of mass variants 1–3. Synchronously in both localities, a sharp increase up to 18–20 % was recorded in the frequency of variant 9 in 1998. Overall, synchronous samples were more similar to each other than to samples from the same localities in other years. The synchronous temporal dynamics of variant color frequencies may prove that these settlements belong to one large population of the Colorado potato beetle. In general, the obtained results indicate the ongoing processes of population structure formation of the species in the new distribution area, specifically in the territory of the Middle Urals.
Colorado potato beetle, color variability, long-term dynamics, Middle Urals
1. Babkina L. A., Balabina I. P., Trigub N. I., Mironov S. Yu., Merzlyakova K. V. Ocenka fenotipicheskogo polimorfizma risunka perednespinki koloradskogo zhuka Leptinotarsa decemlineata Say v populyaciyah Kurskoy oblasti // Samarskiy nauchnyy vestnik. – 2017. – T. 6, № 1 (18). – S. 10–14.
2. Ben'kovskaya G. V., Dubovskiy I. M. Rasprostranenie rezistentnosti k insekticidam v sibirskih populyaciyah koloradskogo zhuka v svyazi s territorial'noy ekspansiey vreditelya // Vestnik zaschity rasteniy. – 2020. – 103 (1). – S. 37–39.
3. Ben'kovskaya G. V., Udalov M. B., Husnutdinova E. K. Geneticheskaya osnova i fenotipicheskie proyavleniya rezistentnosti koloradskogo zhuka k fosfororganicheskim insekticidam // Genetika. – 2008. – T. 44, № 5. – S. 638– 644.
4. Vasil'ev A. G. Epigeneticheskaya izmenchivost': nemetricheskie porogovye priznaki, feny i ih kompozicii // Fenetika prirodnyh populyaciy. – M., 1988. – S. 158–169.
5. Vasil'ev A. G. Epigeneticheskie osnovy fenetiki: na puti k populyacionnoy meronomii. – Ekaterinburg: Akademkniga, 2005. – 640 s.
6. Gricenko V. V., Glotov N. V., Orlinskiy D. B. Ekologo-geneticheskiy analiz izmenchivosti central'nyh elementov risunka perednespinki u koloradskogo zhuka (Leptinotarsa decemlineata) // Zoologicheskiy zhurnal. – 1998. – T. 77, № 3. – S. 278–284.
7. Zhivotovskiy L. A. Populyacionnaya biometriya. – M.: Nauka, 1991. – 271 s.
8. Zeleev R. M. Ocenka polimorfizma risunka perednespinki i nadkryliy koloradskogo zhuka, Leptinotarsa decemlineata, v okrestnostyah Kazani // Zoologicheskiy zhurnal. – 2002. – T. 81, № 3. – S. 316–322.
9. Klimec E. P. Vyyavlenie chuvstvitel'nosti koloradskogo zhuka k deystviyu insekticidov s pomosch'yu fenov // Fenetika prirodnyh populyaciy. – 1988. – S. 111–117.
10. Klimec E. P. Diskretnye variacii risunka na dorsal'noy storone tela koloradskogo zhuka (Leptinotarsa decemlineata) // Populyacionnaya fenetika. – 1997. – S. 45–58.
11. Kohmanyuk F. S. Izmenchivost' feneticheskoy struktury populyaciy koloradskogo zhuka (Leptinotarsa decemlineata Say) v predelah areala // Fenetika populyaciy. – 1982. – S. 233–243.
12. Kohmanyuk F. S. Stanovlenie struktury vida v novom areale na primere koloradskogo zhuka // Ekologiya. – 1983. – № 1. – S. 57–61.
13. Kohmanyuk F. S., Klimec E. P., Bibickaya L. A., Piskunova V. V. Ob izmenchivosti risunka na perednespinke koloradskogo zhuka // Fiziologicheskaya i populyacionnaya ekologiya zhivotnyh. –1978. – Vyp. 5 (7). – S. 141–148. Malozemov Yu. A. Dinamika rasprostraneniya koloradskogo zhuka na Urale // Vsesoyuznoe soveschanie po
14. probleme kadastra i ucheta zhivotnogo mira: tez. dokl. Ch. IV. – Ufa, 1989. – S. 181.
15. Novozhenov Yu. I. Polimorfizm i nepreryvnaya izmenchivost' v populyaciyah nasekomyh // Zhurnal obschey biologii. – 1980. – T. 41, № 5. – S. 668–679.
16. Novozhenov Yu. I. Hronograficheskaya izmenchivost' populyaciy // Zhurnal obschey biologii. – 1989. – T. 50, № 2. – S. 171–183.
17. Novozhenov Yu. I., Korobicyn N. M. Aberrativnaya izmenchivost' v prirodnyh populyaciyah nasekomyh // Zhurnal obschey biologii. – 1972. – T. 33, № 3. – S. 315–323.
18. Ovchinnikova N. A., Klimec E. P., Markelov G. V. Dinamika geneticheskoy struktury populyacii koloradskogo zhuka na territorii Lipeckoy oblasti // Genetika. – 1984. – T. 20, № 1. – S. 140–143.
19. Prisnyy A. V. Morfologicheskaya osnova risunka perednespinki u koloradskogo zhuka (Leptinotarsa decemlineata) // Zoologicheskiy zhurnal. – 1980. – T. 59, № 10. – S. 1575–1577.
20. Udalov M. B. Formiruyutsya dva podvida koloradskogo zhuka? // V mire nauchnyh otkrytiy. – 2010. – № 4– 1 (10). – S. 74–76.
21. Udalov M. B., Ben'kovskaya G. V. Izmenenie urovnya polimorfizma v populyaciyah koloradskogo zhuka na Yuzhnom Urale // Ekologicheskaya genetika. – 2010. – T. 8, № 3. – S. 61–66.
22. Udalov M. B., Ben'kovskaya G. V., Husnutdinova E. K. Struktura populyacii koloradskogo zhuka na Yuzhnom Urale // Ekologiya. – 2010. – № 2. – S. 126–133.
23. Fasulati S. R. Polimorfizm i populyacionnaya strategiya koloradskogo zhuka Evropeyskoy chasti SSSR // Ekologiya. – 1985. – № 6. – S. 50–56.
24. Fasulati S. R., Ivanova O. V. Izmenchivost' feneticheskoy struktury i ekologicheskih adaptaciy vo vtorichnom areale koloradskogo zhuka Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae) // Trudy REO. – 2022. – T. 93. – S. 52–68.
25. Yasyukevich V. V., Popova E. N., Gel'ver E. S., Rivkin L. E. Vliyanie klimaticheskih faktorov na formirovanie areala koloradskogo zhuka (Leptinotarsa decemlineata Say) // Problemy ekologicheskogo monitoringa i modelirovaniya ekosistem. – SPb.: Gidrometeoizdat, 2007.– S. 348–379.
26. Benkovskaya G. V., Udalov M. B. Colorado potato beetle investigations in the South Urals. – New York: Nova Science Publishers, Inc. 2011. – 54 p.
27. Boiteau G. Genetics of the Colorado potato beetle, Leptinotarsa decemlineata (Say) // Novel aspects of the biology of Chrysomelidae / [Jolivet P. H., Cox M. L., Petitpierre E. (eds)]. – Series Entomologica, vol 50. – Springer, Dordrecht, 1994. – P. 231–236.
28. Insect Pests of Potato: Global Perspectives on Biology and Management / [Edited by P. Giordanengo, Ch. Vincent and A. Alyokhin]. – Academic Press, 2012. – 614 p.
29. Karagyan G., Lukhtanov V., Mazmanyan M., Stepanyan I., Ghrejyan T., Abakumova A., Nesterova O. Genetic implications of a biological invasion: Chromosomal and DNA barcode monomorphism in Old World populations of Colorado potato beetle Leptinotarsa decemlineata (Coleoptera: Chrysomelidae) // European Journal of Entomology. – 2021. – V. 118. – P. 344–354.
30. Tower W. L. An investigation of evolution in Chrysomelid beetles of the genus Leptinotarsa. – Wash.: Publ. Carnegie Inst., 1906. – 320 p.
