The Influence of Food and Con-specifics on the Flight Potential of the Parasitoid Ibalia leucospoides

Fischbein, Déborah; Corley, Juan C.; Villacide, José M.; Bernstein, Carlos

doi:10.1007/s10905-011-9270-z

Cited by 17 publications

(23 citation statements)

References 53 publications

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“…These findings emphasize past results that suggest that factors limiting enhanced parasitization success in pine plantations, are more likely related to host finding and selection, as well as to the species egg maturation strategy (Fernandez-Arhex and Corley 2005;Corley et al 2010;Fischbein et al 2011). Further studies, in which adult parasitoids are caught in the field, are needed to test whether any feeding actually occurs.…”

Section: Discussionsupporting

confidence: 65%

“…Recent work has explored the role of food acquisition by the I. leucospoides on flight potential and host patch exploitation rules (Corley et al 2010;Fischbein et al 2011). This is because the species is a parasitoid of the woodwasp Sirex noctilio Fabricius, a major pest of pine worldwide (Carnegie et al 2006) and in pines forestations food may be limiting parasitization rates.…”

Section: Introductionmentioning

confidence: 99%

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Food and Host Searching Decisions Made by Ibalia leucospoides (Hymenoptera: Ibaliidae), a Parasitoid of Sirex noctilio (Hymenoptera:Siricidae)

et al. 2011

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Section: Discussionsupporting

confidence: 65%

Section: Introductionmentioning

confidence: 99%

Food and Host Searching Decisions Made by Ibalia leucospoides (Hymenoptera: Ibaliidae), a Parasitoid of Sirex noctilio (Hymenoptera:Siricidae)

et al. 2011

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“…Determining whether animals undergoing the strong decline in glycogen have also started to use other nutrients, in particular sugars, would have required to use isotope signature to follow each nutrient (as in Giron & Casas, 2003). In contrast to these findings, Fischbein et al (2011) have shown that flight parameters in Ibalia leucospoides were not affected by previous access to sugary food sources. Intense muscular performances, such as flight, requires mobilisation of energy stored in the fat body (Gäde et al, 2006).…”

Section: Discussionmentioning

confidence: 99%

Fuelling flight in a parasitic wasp: which energetic substrate to use?

Amat

Besnard

Foray

et al. 2012

Ecological Entomology

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1. Flight is an energy-demanding behaviour in insects. In parasitic wasps, strategies of nutrient acquisition and allocation, resulting life-history trade-offs and relationships with foraging strategies and resource availability have received much attention. However, despite the ecological importance of dispersal between host and food patches, and the great impact energy diverted to flight should have on lifetime reproductive success, the eco-physiology of flight in parasitoids is poorly understood.2. The objective of this study is to (i) identify the energetic resources used to fuel flight, and (ii) relate nutrient type and rate of utilisation to selective pressures in terms of resource availability posed by the environment.3. Using a flight mill and biochemical assays, we compared flight performance and nutrient dynamics during flight between two reproductive modes of the parasitoid Venturia canescens Gravenhorst, which is known to thrive preferentially in contrasted environments (i.e. natural vs. anthropogenic habitat), differing notably in host and food distribution. 4. Biochemical analyses of different nutrient types showed that glycogen is the flight fuel used by this species, yet no significant differences in its dynamics in flight were found between the two reproductive modes.5. Results suggest that both glycogen quantity and flight performance are related to the diverging ecological conditions experienced by thelytokous and arrhenotokous strains.

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“…For examples, under similar experimental conditions the cynipid Ibalia leucospoides flew on average 10 km, while the woodwasp Sirex noctilio, a large siricid wasp, was able to fly up to 30 km continuously (Villacide & Corley 2008;Bruzzone et al 2009;Fischbein et al 2011). For examples, under similar experimental conditions the cynipid Ibalia leucospoides flew on average 10 km, while the woodwasp Sirex noctilio, a large siricid wasp, was able to fly up to 30 km continuously (Villacide & Corley 2008;Bruzzone et al 2009;Fischbein et al 2011).…”

Section: Discussionmentioning

confidence: 99%

Distribution, dispersal and spread of the invasive social wasp (Vespula germanica) in Argentina

Masciocchi¹,

Corley²

2012

Austral Ecology

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We studied the distribution and spread of the invasive social wasp Vespula germanica in Argentina, focusing on the contribution of queen dispersal to territorial expansion. Vespula germanica is native to Eurasia and has invaded several regions of the world, including Southern Argentina. Flight potential of field-collected queens was measured using flight mills. Also, by means of an extensive survey we estimated the rate of spread by analysing the relationship between years since arrival and distance from the introduction locality. The mean distance flown by wasp queens in flight mills was 404.7 Ϯ 140.8 m (mean Ϯ SE, n = 59), while the rate of spread of V. germanica was estimated at 37.2 Ϯ 2.1 km year -1 (mean Ϯ SE, n = 67), although faster towards the south. The observed spread rate of V. germanica wasps in Argentina confirms the invasive potential shown by several Hymenoptera species worldwide. Still, a stratified geographical expansion pattern does not match observed queen dispersal abilities, suggesting that human-aided transport of hibernating queens is the central driver of the current distribution of these wasps. We suggest that despite several life-history traits known for social insects that contribute to successful invasion, wasp spread must still rely strongly on human mediated pathways. This observation sheds light on those factors that are crucial for managing invasions of this and related pestiferous wasps.

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The Influence of Food and Con-specifics on the Flight Potential of the Parasitoid Ibalia leucospoides

Cited by 17 publications

References 53 publications

Food and Host Searching Decisions Made by Ibalia leucospoides (Hymenoptera: Ibaliidae), a Parasitoid of Sirex noctilio (Hymenoptera:Siricidae)

Food and Host Searching Decisions Made by Ibalia leucospoides (Hymenoptera: Ibaliidae), a Parasitoid of Sirex noctilio (Hymenoptera:Siricidae)

Fuelling flight in a parasitic wasp: which energetic substrate to use?

Distribution, dispersal and spread of the invasive social wasp (Vespula germanica) in Argentina

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