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首页> 外文期刊>The Kasetsart Journal >Biological Control of the Coconut Hispine Beetle, Brontispa longissima Gestro (Coleoptera: Chrysomelidae) by the Parasitoid, Asecodes hispinarum Boucek (Hymenoptera: Eulophidae) on a Golf Course
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Biological Control of the Coconut Hispine Beetle, Brontispa longissima Gestro (Coleoptera: Chrysomelidae) by the Parasitoid, Asecodes hispinarum Boucek (Hymenoptera: Eulophidae) on a Golf Course

机译：拟寄生虫对椰子黑松甲虫（Brontispa longissima Gestro）（鞘翅目：金眼科）的生物控制，在高尔夫球场上将Aescodes hispinarum Boucek（膜翅目：Eulophidae）

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摘要

The coconut hispine beetle, Brontispa longissima Gestro is an invasive pest in Southeast Asia. Since chemical control of the beetle is not recommended due to its high cost and risk to the environment, biological control is a desirable tool for effective control of this pest. This experiment was conducted at the Panya Indra golf course, Bangkok in 2007 using the parasitoid, Asecodes hispinarum Boucek, an effective larval parasitoid. The number of parasitoids released was based on the density of the damaged coconut trees. Continual releases were made in and around the area. Mummified larvae were counted once a month by selecting 20 infested spear leaves. The parasitoids were observed five months after release. The mummified larvae were collected in June, August and November and the percentage parasitized was found to be 13.48%, 8.58% and 14.08%, respectively. Severe, leaf damage levels decreased in December. The results showed that the new coconut palm leaves were fresh with less damage. A population study of B. longissima was also undertaken by randomly sampling 20 spear leaves. High and low population levels were observed from March to June and from July to December, respectively.
机译：椰子山pine甲虫Brontispa longissima Gestro是东南亚的一种入侵性害虫。由于不建议对甲虫进行化学控制，因为其成本高且对环境具有风险，因此生物控制是有效控制该害虫的理想工具。该实验于2007年在曼谷的Panya Indra高尔夫球场进行，使用了有效的幼体寄生虫Asecodes hispinarum Boucek的寄生虫。释放的寄生物数量是基于受损椰子树的密度。在该区域及其周围地区不断发布。通过选择20个受侵染的矛叶，每月对木乃伊幼虫计数一次。释放后五个月观察到了寄生虫。分别在6月，8月和11月收集了木乃伊的幼虫，被寄生的百分率分别为13.48％，8.58％和14.08％。严重时，12月叶片损伤水平下降。结果表明，新的椰子棕榈叶新鲜，损害较小。还通过随机取样20个矛叶进行了长双歧杆菌的种群研究。从3月至6月和7月至12月分别观察到高和低的人口水平。

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