The effect of weaver ants Oecophylla smaragdina on the shoot borer Hypsipyla robusta on African mahoganies in Australia

Renkang Peng, Keith Christian, Don Reilly

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    1. African mahogany Khaya senegalensis is a high-value timber tree species widely grown in central Africa, south-east Asia and northern Australia. Pilot plantings show that the tree grows well in the wet-dry tropical areas of northern Australia, and the shoot borer Hypsipyla robusta (Lepidoptera: Pyralidae) is a potential pest of the tree. The weaver ant Oecophylla smaragdina is an efficient biocontrol agent in some horticulture crops. To investigate whether the ants control shoot borers, field experiments were conducted at two sites near Darwin, Australia from April 2006 to January 2009.

    2. In the weaver ant treatments, the overall percentage of trees damaged by shoot borers was 0–2.7% at Berrimah Farm and 0–4.2% at Howard Springs, and the damaged trees were attacked once only. In the treatments without weaver ants, however, 9.9–52.1% trees were damaged at Berrimah Farm, and 6.3–64.6% at Howard Springs, and the damaged trees were generally attacked more than once.

    3. At both sites, significantly fewer trees on each monitoring occasion were damaged in weaver ant treatments than in treatments without weaver ants.

    4. The mean percentage of overall flushing shoots damaged by the pest at both sites was significantly lower in weaver ant treatments compared with treatments without weaver ants.

    5. Fewer shoots were damaged per damaged tree in weaver ant treatments compared with treatments without weaver ants.

    6. The data obtained suggest that weaver ants were effective biological control agents of the shoot borer, and that the ants can be used to manage the pest on African mahogany trees.
    Original languageEnglish
    Pages (from-to)165-171
    Number of pages7
    JournalAgricultural and Forest Entomology
    Volume13
    Issue number2
    DOIs
    Publication statusPublished - 2011

    Fingerprint

    Hypsipyla
    Oecophylla smaragdina
    ant
    Formicidae
    shoot
    shoots
    Meliaceae
    pests
    biological control agents
    Khaya senegalensis
    ant control
    farms
    effect
    farm
    Central Africa
    Pyralidae
    horticulture
    forest trees
    South East Asia
    biocontrol agent

    Cite this

    @article{49d5fc0427a34b8aa4a2be9458e4374b,
    title = "The effect of weaver ants Oecophylla smaragdina on the shoot borer Hypsipyla robusta on African mahoganies in Australia",
    abstract = "1. African mahogany Khaya senegalensis is a high-value timber tree species widely grown in central Africa, south-east Asia and northern Australia. Pilot plantings show that the tree grows well in the wet-dry tropical areas of northern Australia, and the shoot borer Hypsipyla robusta (Lepidoptera: Pyralidae) is a potential pest of the tree. The weaver ant Oecophylla smaragdina is an efficient biocontrol agent in some horticulture crops. To investigate whether the ants control shoot borers, field experiments were conducted at two sites near Darwin, Australia from April 2006 to January 2009.2. In the weaver ant treatments, the overall percentage of trees damaged by shoot borers was 0–2.7{\%} at Berrimah Farm and 0–4.2{\%} at Howard Springs, and the damaged trees were attacked once only. In the treatments without weaver ants, however, 9.9–52.1{\%} trees were damaged at Berrimah Farm, and 6.3–64.6{\%} at Howard Springs, and the damaged trees were generally attacked more than once.3. At both sites, significantly fewer trees on each monitoring occasion were damaged in weaver ant treatments than in treatments without weaver ants.4. The mean percentage of overall flushing shoots damaged by the pest at both sites was significantly lower in weaver ant treatments compared with treatments without weaver ants.5. Fewer shoots were damaged per damaged tree in weaver ant treatments compared with treatments without weaver ants.6. The data obtained suggest that weaver ants were effective biological control agents of the shoot borer, and that the ants can be used to manage the pest on African mahogany trees.",
    keywords = "Formicidae, Hypsipyla robusta, Khaya senegalensis, Lepidoptera, Oecophylla smaragdina, Oecophyllini, Pyralidae, Swietenia",
    author = "Renkang Peng and Keith Christian and Don Reilly",
    year = "2011",
    doi = "10.1111/j.1461-9563.2010.00514.x",
    language = "English",
    volume = "13",
    pages = "165--171",
    journal = "Agricultural and Forest Entomology",
    issn = "1461-9555",
    publisher = "Wiley-Blackwell",
    number = "2",

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    The effect of weaver ants Oecophylla smaragdina on the shoot borer Hypsipyla robusta on African mahoganies in Australia. / Peng, Renkang; Christian, Keith; Reilly, Don.

    In: Agricultural and Forest Entomology, Vol. 13, No. 2, 2011, p. 165-171.

    Research output: Contribution to journalArticleResearchpeer-review

    TY - JOUR

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    AU - Peng, Renkang

    AU - Christian, Keith

    AU - Reilly, Don

    PY - 2011

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    N2 - 1. African mahogany Khaya senegalensis is a high-value timber tree species widely grown in central Africa, south-east Asia and northern Australia. Pilot plantings show that the tree grows well in the wet-dry tropical areas of northern Australia, and the shoot borer Hypsipyla robusta (Lepidoptera: Pyralidae) is a potential pest of the tree. The weaver ant Oecophylla smaragdina is an efficient biocontrol agent in some horticulture crops. To investigate whether the ants control shoot borers, field experiments were conducted at two sites near Darwin, Australia from April 2006 to January 2009.2. In the weaver ant treatments, the overall percentage of trees damaged by shoot borers was 0–2.7% at Berrimah Farm and 0–4.2% at Howard Springs, and the damaged trees were attacked once only. In the treatments without weaver ants, however, 9.9–52.1% trees were damaged at Berrimah Farm, and 6.3–64.6% at Howard Springs, and the damaged trees were generally attacked more than once.3. At both sites, significantly fewer trees on each monitoring occasion were damaged in weaver ant treatments than in treatments without weaver ants.4. The mean percentage of overall flushing shoots damaged by the pest at both sites was significantly lower in weaver ant treatments compared with treatments without weaver ants.5. Fewer shoots were damaged per damaged tree in weaver ant treatments compared with treatments without weaver ants.6. The data obtained suggest that weaver ants were effective biological control agents of the shoot borer, and that the ants can be used to manage the pest on African mahogany trees.

    AB - 1. African mahogany Khaya senegalensis is a high-value timber tree species widely grown in central Africa, south-east Asia and northern Australia. Pilot plantings show that the tree grows well in the wet-dry tropical areas of northern Australia, and the shoot borer Hypsipyla robusta (Lepidoptera: Pyralidae) is a potential pest of the tree. The weaver ant Oecophylla smaragdina is an efficient biocontrol agent in some horticulture crops. To investigate whether the ants control shoot borers, field experiments were conducted at two sites near Darwin, Australia from April 2006 to January 2009.2. In the weaver ant treatments, the overall percentage of trees damaged by shoot borers was 0–2.7% at Berrimah Farm and 0–4.2% at Howard Springs, and the damaged trees were attacked once only. In the treatments without weaver ants, however, 9.9–52.1% trees were damaged at Berrimah Farm, and 6.3–64.6% at Howard Springs, and the damaged trees were generally attacked more than once.3. At both sites, significantly fewer trees on each monitoring occasion were damaged in weaver ant treatments than in treatments without weaver ants.4. The mean percentage of overall flushing shoots damaged by the pest at both sites was significantly lower in weaver ant treatments compared with treatments without weaver ants.5. Fewer shoots were damaged per damaged tree in weaver ant treatments compared with treatments without weaver ants.6. The data obtained suggest that weaver ants were effective biological control agents of the shoot borer, and that the ants can be used to manage the pest on African mahogany trees.

    KW - Formicidae

    KW - Hypsipyla robusta

    KW - Khaya senegalensis

    KW - Lepidoptera

    KW - Oecophylla smaragdina

    KW - Oecophyllini

    KW - Pyralidae

    KW - Swietenia

    U2 - 10.1111/j.1461-9563.2010.00514.x

    DO - 10.1111/j.1461-9563.2010.00514.x

    M3 - Article

    VL - 13

    SP - 165

    EP - 171

    JO - Agricultural and Forest Entomology

    JF - Agricultural and Forest Entomology

    SN - 1461-9555

    IS - 2

    ER -