Native parasitoids associated with the biological control agents of Centaurea stoebe in Montana, USA

Herron-Sweet, Christina R.; Littlefield, J. L.; Lehnhoff, Erik A.; Burkle, Laura A.; Mangold, Jane M.

doi:10.1016/j.biocontrol.2015.04.001

Cited by 9 publications

(1 citation statement)

References 12 publications

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“…Plant invasion is recognized as a key threat to biodiversity since they transform numerous processes which are compulsory for ecosystem functioning (Morales & Traveset, 2009;Schuster & Wragg, 2018). Previous studies have exposed that invasive plants can disturb the pollinatornative plant network (Herron-sweet et al, 2016) by dropping visitation rate which could be the cause of the minimization of seed set (Tscheulin & Petanidou, 2013). Invasive plants species are likely to compete with native species for common pollinators; hence in the presence of invaders competitors, pollinator visitation and reproduction achievement of native plants tend to decline (Morales & Traveset, 2009).…”

Section: Invasive and Native Plant-pollinator Interactionsmentioning

confidence: 99%

Effects of selected management practices of gutenbergia cordifolia on insect flower visitation at Mwiba area, Tanzania

Mbundi

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While only few studies have presented the effect of invasive plant species on insect visitors, even less is documented about how management practices against invasive plants may impact plant pollinator networks. The study assessed how natural versus chemical-based management practices against the native invasive plant Gutenbergia cordifolia affected insect flower visitation in Mwiba area by comparing the number of insect visitors, insect species diversity and richness, the number of flowers visited, flower abundance, and diversity across treatments of Desmodium uncinatum crude leaves extract (DUL), the chemical Glyphosate (GLY), and none (Control; CON). After treatments, DUL plots had about one-third higher numbers of insects visitors compared to CON and GLY plots (F2,159 = 9.521, df = 2, p = 0.009), including higher species diversity and richness of bee in DUL than in GLY and CON (F2,12 = 5.497, df = 2, p = 0.020; F2,12 = 21.810, df = 2, p < 0.001 respectively). Further, DUL plots had almost twice as many flowers visited compared to CON and GLY plots (F2,159 = 21.595, df = 2, p < 0.001). Flower abundance was higher in DUL plots compared to CON and GLY as was flower diversity (χ 2 = 7.460, df = 2, p = 0.024; F2,12 = 3.963, df = 2, p = 0.048, respectively). Generally, this study discovered that DUL treatment did not disturb insect flower visitation while GLY strongly did; instead, DUL attracted more insect flower visitors. It is hereby concluded that using the natural plant extract treatment is highly preferable to the chemical management of invasive plant G. cordifolia.

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Section: Invasive and Native Plant-pollinator Interactionsmentioning

confidence: 99%

Effects of selected management practices of gutenbergia cordifolia on insect flower visitation at Mwiba area, Tanzania

Mbundi

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A 20-year evaluation of successes with biological control of spotted knapweed (Centaurea stoebe) in Colorado

Seastedt

Knochel

2021

Biological Control

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Predicting parasitoid accumulation by potential Brazilian peppertree biological control agents from assessments in the native and invaded ranges

Wheeler

Jones²,

Fung³

et al. 2022

Biological Control

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Native parasitoids associated with the biological control agents of Centaurea stoebe in Montana, USA

Cited by 9 publications

References 12 publications

Effects of selected management practices of gutenbergia cordifolia on insect flower visitation at Mwiba area, Tanzania

Effects of selected management practices of gutenbergia cordifolia on insect flower visitation at Mwiba area, Tanzania

A 20-year evaluation of successes with biological control of spotted knapweed (Centaurea stoebe) in Colorado

Predicting parasitoid accumulation by potential Brazilian peppertree biological control agents from assessments in the native and invaded ranges

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