On the efficiency of introduction of American insects feeding on the common ragweed (Ambrosia artemisiifolia L.) in the south of Russia

Ковалев, О. В.; Tyutyunov, Yu. V.; Iljina, L. P.; Berdnikov, S. V.

doi:10.1134/s0013873813080046

Cited by 10 publications

(15 citation statements)

References 13 publications

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“…But 10 years after the introduction surveys revealed that in spite Z. suturalis was still abundant in some places, however it does not significantly affect the general density of the host plant. The system "plant-phytophagous" reached the equilibrium (Kovalev et al 2013;Reznik et al 2008). The same situation is observed in the Far East (Aistova and Bezborodov 2015).…”

Section: Vector Of Dispersalmentioning

confidence: 99%

Alien leaf beetles of European Russia: native ranges, invasion history, biology and vectors of dispersal

Bieńkowski

2018

Preprint

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Invasions of leaf beetles are of great ecological and economic significance, but poorly studied. The rate of these invasions in Europe is dramatically increasing. Some established species spread quickly occupying almost the whole continent within several decades. We present the first inventory of alien leaf beetles of European Russia. For each species the map of distribution is provided and the history of invasion in the world is discussed. Two species native to Mediterranean Region: Chrysolina americana (pest of Rosmarinus and Lavandula) and

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Section: Vector Of Dispersalmentioning

confidence: 99%

Alien leaf beetles of European Russia: native ranges, invasion history, biology and vectors of dispersal

Bieńkowski

2018

Preprint

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“…A numerical experiment with a homogeneous initial distribution of the introduced phytophages has confirmed that the recommendation to concentrate the release of biocontrol agents [33][34][35][36][37] is highly practical and important in provoking the outbreak of phytophagous insects. Violation of this condition does not allow to exploit the advantages of a phytophage's solitary population waves in suppressing the ragweed.…”

Section: Additional Numerical Experimentsmentioning

confidence: 99%

“…Another important aspect that can influence the effectiveness of the biological method of weed control is primary productivity of the trophic system, that supplies the energy needed for the upper trophic levels. The effective use of the phytophagous biocontrol agent requires the creation of special conditions, in particular, release areas with high weed density [33][34][35][36][37]. Figure 6 shows how the increase of the parameter c R (i.e., diminishing the ragweed carrying capacity) affects both the establishment of the leaf beetle population and the development of its flight ability.…”

Section: Additional Numerical Experimentsmentioning

confidence: 99%

“…during the 1978-1989 period. The introduction halted the explosion phase of common ragweed invasion in the South of Russia that was induced by the large scale disturbances of soils and landscapes on account of hard-fought battles for these territories during the Second World War [33,35].…”

Section: Introductionmentioning

confidence: 99%

“…Accordingly, the recommended method for Zygogramma suturalis application consists in a preliminary design of plots (about 2 ha) with high density of the ragweed (e.g., by plowing the soil), that will become the sources of the phytophage population waves' formation [37]. It is emphasised [34][35][36][37] that studies on SPW has an evident practical importance. Generally speaking, without considering wave dynamics of a weedphytophage system, any reasoning on a control agent efficiency makes little sense.…”

Section: Introductionmentioning

confidence: 99%

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Spatial Demogenetic Model for Studying Phenomena Observed upon Introduction of the Ragweed Leaf Beetle in the South of Russia

Tyutyunov

Ковалев

Titova

2013

Math. Model. Nat. Phenom.

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The introduction of the ragweed leaf beetle in the South of Russia in 1978-1989 was accompanied by a number of spectacular phenomena that determined the general success of the ragweed control and further dispersal and acclimatization of the beetles: (i) formation of solitary population waves (SPW), characterized by an extremely high density of the phytophage population at the narrow band of the front of a moving wave defoliating nearly all ragweed plants, and (ii) rapid, within 5-6 generations, development of flight in the leaf beetle species that in its homeland lost the ability to fly. We present here a demogenetic model capable of reproducing both these phenomena, assuming that the flight ability of a phytophage population is governed by a single diallelic locus with flight and flightless alleles that determine three genotypes of the ragweed leaf beetle. Simulation results agree well with the practical recommendation of retaining a high density of common ragweed in the release area in order to provide the necessary conditions for the initial increase of the leaf beetle population and the formation of the wave. The model confirms the earlier hypothesis that the SPW is the key factor that determines efficiency of weed biocontrol program. We demonstrate also that the formation of the wave has crucially accelerated the development of the beetles' ability to fly.

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Predator overcomes the Allee effect due to indirect prey–taxis

Tyutyunov

Sen

Titova

et al. 2019

Ecological Complexity

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On the efficiency of introduction of American insects feeding on the common ragweed (Ambrosia artemisiifolia L.) in the south of Russia

Cited by 10 publications

References 13 publications

Alien leaf beetles of European Russia: native ranges, invasion history, biology and vectors of dispersal

Alien leaf beetles of European Russia: native ranges, invasion history, biology and vectors of dispersal

Spatial Demogenetic Model for Studying Phenomena Observed upon Introduction of the Ragweed Leaf Beetle in the South of Russia

Predator overcomes the Allee effect due to indirect prey–taxis

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