Rearing and distribution of the introduced wasp parasitoid &lt;i&gt;Sphecophaga vesparum&lt;/i&gt; throughout New Zealand

Read, Peter; Donovan, B. J.; Schroeder, N. C.

doi:10.30843/nzpp.1990.43.10899

Cited by 8 publications

(3 citation statements)

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“…Pseudacteon tricuspis and P. curvatus are the first classical biological control agents to be successfully established against invasive ants. The release of an ichneumonid parasitoid in New Zealand against vespid wasps ( Read et al 1990 ) is the only other successful release of a biocontrol agent that we are aware of against a social insect pest. The successful establishment and spread of these two species should encourage exploration and testing of additional natural enemies that can be safely released against social insect pests.…”

Section: Discussionmentioning

confidence: 99%

Fire Ant Decapitating Fly Cooperative Release Programs (1994–2008): TwoPseudacteonSpecies,P. tricuspisandP. curvatus, Rapidly Expand Across Imported Fire Ant Populations in the Southeastern United States

Callcott¹,

Porter

Weeks³

et al. 2011

Journal of Insect Science

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Natural enemies of the imported fire ants, Solenopsis invicta Buren S. richteri Forel (Hymenoptera: Formicidae), and their hybrid, include a suite of more than 20 fire ant decapitating phorid flies from South America in the genus Pseudacteon. Over the past 12 years, many researchers and associates have cooperated in introducing several species as classical or self-sustaining biological control agents in the United States. As a result, two species of flies, Pseudacteon tricuspis Borgmeier and P. curvatus Borgmeier (Diptera: Phoridae), are well established across large areas of the southeastern United States. Whereas many researchers have published local and state information about the establishment and spread of these flies, here distribution data from both published and unpublished sources has been compiled for the entire United States with the goal of presenting confirmed and probable distributions as of the fall of 2008. Documented rates of expansion were also used to predict the distribution of these flies three years later in the fall of 2011. In the fall of 2008, eleven years after the first successful release, we estimate that P. tricuspis covered about 50% of the fire ant quarantined area and that it will occur in almost 65% of the quarantine area by 2011. Complete coverage of the fire ant quarantined area will be delayed or limited by this species' slow rate of spread and frequent failure to establish in more northerly portions of the fire ant range and also, perhaps, by its preference for red imported fire ants (S. invicta). Eight years after the first successful release of P. curvatus, two biotypes of this species (one biotype occurring predominantly in the black and hybrid imported fire ants and the other occurring in red imported fire ants) covered almost 60% of the fire ant quarantined area. We estimate these two biotypes will cover almost 90% of the quarantine area by 2011 and 100% by 2012 or 2013. Strategic selection of several distributional gaps for future releases will accelerate complete coverage of quarantine areas. However, some gaps may be best used for the release of additional species of decapitating flies because establishment rates may be higher in areas without competing species.

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Section: Discussionmentioning

confidence: 99%

Fire Ant Decapitating Fly Cooperative Release Programs (1994–2008): TwoPseudacteonSpecies,P. tricuspisandP. curvatus, Rapidly Expand Across Imported Fire Ant Populations in the Southeastern United States

Callcott¹,

Porter

Weeks³

et al. 2011

Journal of Insect Science

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“…Cocoons were placed in release boxes, specially designed to give maximum protection from rodents, insects and shelter from the weather. Release boxes were initially stocked with around 100 cocoons and placed at 39 sites across New Zealand (Read et al, 1990; Moller et al, 1991). Boxes were replenished over subsequent seasons and by 1990 more than 108,000 yellow parasitoid cocoons had been released (Read et al, 1990).…”

Section: The European Wasp In Australiamentioning

confidence: 99%

“…Release boxes were initially stocked with around 100 cocoons and placed at 39 sites across New Zealand (Read et al, 1990; Moller et al, 1991). Boxes were replenished over subsequent seasons and by 1990 more than 108,000 yellow parasitoid cocoons had been released (Read et al, 1990). Subsequent monitoring at release sites indicated the parasitoid was having difficulty becoming established (Moller et al, 1991) although establishment was confirmed at two sites (Beggs et al, 2008).…”

Section: The European Wasp In Australiamentioning

confidence: 99%

Re-evaluating management of established pests including the European wasp,Vespula germanicausing biocontrol agents

Cacho¹,

Hester²,

Tait³

2022

Preprint

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Established pests such as the European wasp (Vespula germanica) are often overlooked as candidates for management programmes (eradication and/or containment) because the use of traditional surveillance and control techniques over very large areas becomes uneconomic. Use of biological control agents that persist in the environment is usually the only economically feasible option, however the processes around approvals for release of biocontrol agents can take significant amounts of time and resources, especially if screening and testing of potential agents is required. This project investigates whether the European wasp could be a candidate for a renewed management programme in south-eastern Australia given the availability of a biocontrol agent following successful screening and testing of an agent,Sphecophaga vesparum vesparum, in the 1980s. Whether a biological control programme is worthwhile pursuing depends on the size of the benefits to industry, community and the environment from a reduction in European wasp abundance. This project explores the benefits and costs of European wasp management using a biocontrol agent, and importantly, includes valuation of the social and environmental impacts of the pest.

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Vespula germanica (German wasp)

Spradbery¹,

Dvořák²

2022

CABI Compendium

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Rearing and distribution of the introduced wasp parasitoid <i>Sphecophaga vesparum</i> throughout New Zealand

Cited by 8 publications

References 0 publications

Fire Ant Decapitating Fly Cooperative Release Programs (1994–2008): TwoPseudacteonSpecies,P. tricuspisandP. curvatus, Rapidly Expand Across Imported Fire Ant Populations in the Southeastern United States

Fire Ant Decapitating Fly Cooperative Release Programs (1994–2008): TwoPseudacteonSpecies,P. tricuspisandP. curvatus, Rapidly Expand Across Imported Fire Ant Populations in the Southeastern United States

Re-evaluating management of established pests including the European wasp,Vespula germanicausing biocontrol agents

Vespula germanica (German wasp)

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