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Release and establishment of the parasitoid Diachasmimorpha kraussii against the tephritid fruit fly Bactrocera latifrons in Hawaii.

Bokonon-Ganta AH, McQuate GT, Messing RH, B Jang E - J. Insect Sci. (2013)

Bottom Line: Over a three month period, eight releases, totaling 7,696 females and 3,968 males, were made in a turkeyberry, Solanum torvum Swartz (Solanales: Solanaceae) patch known to have a well established B. latifrons population.Recovery from fruit collections three years after the last parasitoid release confirmed that D. kraussii had become established in Hawaii.Parasitism rates were low, only 1.0-1.4%, compared to rates of 2.8-8.7% for the earlier established egg-larval parasitoid, Fopius arisanus (Sonan).

View Article: PubMed Central - PubMed

Affiliation: Plant Protection and Quarantine Service, Direction of Agriculture SPVCP/DAGRI, 01 B.P. 58, Oganla, PortoNovo, Bénin. aimehbg@yahoo.com

ABSTRACT
Diachasmimorpha kraussii (Fullaway) (Hymenoptera: Braconidae) was first released against Bactrocera latifrons (Hendel) (Diptera: Tephritidae) in Hawaii in March 2003. Over a three month period, eight releases, totaling 7,696 females and 3,968 males, were made in a turkeyberry, Solanum torvum Swartz (Solanales: Solanaceae) patch known to have a well established B. latifrons population. The establishment of D. kraussii was assessed through fruit collections conducted over a three-year period beyond the last release. D. kraussii was recovered 2 weeks, 31 months, and 39 months after the last parasitoid release, with collections not only from the release site, but also from a control site about 5.0 km distance from the release site. Recovery from fruit collections three years after the last parasitoid release confirmed that D. kraussii had become established in Hawaii. Parasitism rates were low, only 1.0-1.4%, compared to rates of 2.8-8.7% for the earlier established egg-larval parasitoid, Fopius arisanus (Sonan).

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Locations of the Diachasmimorpha kraussii release site and control site, with indications of the relative location of Solanum torvum patches where fruit collections were made and alpha-ionol + cade oil traps were deployed. The S. torvum patch where all D. kraussii releases were made (“release patch”) is indicated with an arrow. High quality figures are available online.
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f01_01: Locations of the Diachasmimorpha kraussii release site and control site, with indications of the relative location of Solanum torvum patches where fruit collections were made and alpha-ionol + cade oil traps were deployed. The S. torvum patch where all D. kraussii releases were made (“release patch”) is indicated with an arrow. High quality figures are available online.

Mentions: The release patch at the release site (j-11 in Figure 1), where all releases were done, was a 93.0 m2 well-developed thicket of turkeyberry plants in the Huluhulunui Gulch, adjacent to Kaupakalua Road, north of Kokomo, on the island of Maui in Hawaii, U.S.A. (20° 53′ 5.6796″ lat, -156° 17′, 56.209). Additional patches of turkeyberry were present in the vicinity of the release site. Patch size averaged about 457 m2, ranging from about 93 m2 to 2190 m2. Relative size and locations of all patches are illustrated in Figure 1. These patches considered together are hereafter referred to as the release site. The control site for this study was in Haiku, about 5 km downstream from the release site, and it also had many patches of turkeyberry. Both sites are on the northern side of Maui (which is also the windward side) and included small valleys, with elevation over the sites varying about 33 m in the vicinity of the release site and about 18 m at the control site. The release site, with a higher elevation than the control site (388 and 158 m respectively), typically has a higher average rainfall. Rainfall totaled 226 cm at the release site versus 189 cm at the control site from 25 February 2003 to 24 August 2004 (2.9 versus 2.4 cm/week). Rainfall totals were not obtained after 24 August 2004, because lengthened times between fruit collections did not permit the requisite regular servicing of the weather station.


Release and establishment of the parasitoid Diachasmimorpha kraussii against the tephritid fruit fly Bactrocera latifrons in Hawaii.

Bokonon-Ganta AH, McQuate GT, Messing RH, B Jang E - J. Insect Sci. (2013)

Locations of the Diachasmimorpha kraussii release site and control site, with indications of the relative location of Solanum torvum patches where fruit collections were made and alpha-ionol + cade oil traps were deployed. The S. torvum patch where all D. kraussii releases were made (“release patch”) is indicated with an arrow. High quality figures are available online.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3735105&req=5

f01_01: Locations of the Diachasmimorpha kraussii release site and control site, with indications of the relative location of Solanum torvum patches where fruit collections were made and alpha-ionol + cade oil traps were deployed. The S. torvum patch where all D. kraussii releases were made (“release patch”) is indicated with an arrow. High quality figures are available online.
Mentions: The release patch at the release site (j-11 in Figure 1), where all releases were done, was a 93.0 m2 well-developed thicket of turkeyberry plants in the Huluhulunui Gulch, adjacent to Kaupakalua Road, north of Kokomo, on the island of Maui in Hawaii, U.S.A. (20° 53′ 5.6796″ lat, -156° 17′, 56.209). Additional patches of turkeyberry were present in the vicinity of the release site. Patch size averaged about 457 m2, ranging from about 93 m2 to 2190 m2. Relative size and locations of all patches are illustrated in Figure 1. These patches considered together are hereafter referred to as the release site. The control site for this study was in Haiku, about 5 km downstream from the release site, and it also had many patches of turkeyberry. Both sites are on the northern side of Maui (which is also the windward side) and included small valleys, with elevation over the sites varying about 33 m in the vicinity of the release site and about 18 m at the control site. The release site, with a higher elevation than the control site (388 and 158 m respectively), typically has a higher average rainfall. Rainfall totaled 226 cm at the release site versus 189 cm at the control site from 25 February 2003 to 24 August 2004 (2.9 versus 2.4 cm/week). Rainfall totals were not obtained after 24 August 2004, because lengthened times between fruit collections did not permit the requisite regular servicing of the weather station.

Bottom Line: Over a three month period, eight releases, totaling 7,696 females and 3,968 males, were made in a turkeyberry, Solanum torvum Swartz (Solanales: Solanaceae) patch known to have a well established B. latifrons population.Recovery from fruit collections three years after the last parasitoid release confirmed that D. kraussii had become established in Hawaii.Parasitism rates were low, only 1.0-1.4%, compared to rates of 2.8-8.7% for the earlier established egg-larval parasitoid, Fopius arisanus (Sonan).

View Article: PubMed Central - PubMed

Affiliation: Plant Protection and Quarantine Service, Direction of Agriculture SPVCP/DAGRI, 01 B.P. 58, Oganla, PortoNovo, Bénin. aimehbg@yahoo.com

ABSTRACT
Diachasmimorpha kraussii (Fullaway) (Hymenoptera: Braconidae) was first released against Bactrocera latifrons (Hendel) (Diptera: Tephritidae) in Hawaii in March 2003. Over a three month period, eight releases, totaling 7,696 females and 3,968 males, were made in a turkeyberry, Solanum torvum Swartz (Solanales: Solanaceae) patch known to have a well established B. latifrons population. The establishment of D. kraussii was assessed through fruit collections conducted over a three-year period beyond the last release. D. kraussii was recovered 2 weeks, 31 months, and 39 months after the last parasitoid release, with collections not only from the release site, but also from a control site about 5.0 km distance from the release site. Recovery from fruit collections three years after the last parasitoid release confirmed that D. kraussii had become established in Hawaii. Parasitism rates were low, only 1.0-1.4%, compared to rates of 2.8-8.7% for the earlier established egg-larval parasitoid, Fopius arisanus (Sonan).

Show MeSH
Related in: MedlinePlus