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Status and control of Chilo spp., their distribution, host range and economic importance in Oceania

Published online by Cambridge University Press:  19 September 2011

C. S. Li
C. S. Li
Affiliation:
Department of Primary Industry and Fisheries, Darwin, NT, Australia 0801
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Abstract

From the literature review and available information on Chilo in the seven Oceanian countries, only six species of Chilo have been recorded as pests of graminaceous crops. C. terrenellus Pag. is one of major sugar-cane pests, in Papua New Guinea and a minor sugar-cane pest on Saibai, Torres Strait Islands, Australia, respectively. In the former country, the damage assessment, host plants, life cycle, phenology and natural enemies of the stem borer have been studied. Since 1981, two larval parasites, Apanteles flavipes Cam. (Indian strain) and Bracon chinensis (Szep.), have been introduced against the stem borer from India, propagated and released but have failed to become established. The search for additional parasites continues. C. influscatellus Sn. is a minor sugar-cane pest also in Papua New Guinea; C. suppressalis (Walk.), C. polychrysa (Meyr.), C. auricilia Dudg. and Chilo sp. are minor pests of rice in Papua New Guinea; the former two species are also minor rice pests in the Northern Territory, Australia where integration of cultural, chemical and biological control measures have been applied against the major white rice borer, Scirpophaga innotata (Walk.), in conjunction with C. suppressalis and C. polychrysa.

Résumé

D'après la revue littéraire et les informations disponibles sur l'insecte Chilo aux sept pays Océaniques, seulement six espèces suivantes ont été rapportées comme phalènes nuisibles des récoltes graminoïdes. C. terrenellus Pag. est une des espèces nuisibles majeures, et est aussi une espèce nuisible mineure de la canne à sucre en papouasie-Nouvelle-Guinée, et respectivement au Saibai aux Iles de Torres Strait, en Austtralie. En Papouasie-Nouvelle-Guinnée, l'éveluation des dégâts causés par cet insecte foreur de tige, aussi que ses plantes-hôtes, son cycle de vie, sa phénologie et ses ennemies naturels ont été étudiés. Depuis 1981, deux parasites larvaires, Apanteles flavipes Cam. (souche Indienne) et Bracon chinensis (Szep.), ont été introduits pour lutter contre ce foreur de tige répandu de l'Inde. Ces parasites ont été propagés et délivrés mais n'ont pas été devenus établis. On continue les recherches des parasties additionnels. C. influscatellus Sn. est aussi une espèce nuisible mineure de la canne à sucre en Papouasie-Nouvelle-Guinée, C. suppressalis (Walk.), C. polychrysa (Meyr.), C. auricilia Dudg. et Chilo sp. sont des espèces nuisibles mineures du riz en Papouasie-Nouvelle-Guinée; les deux premières espèce citée sont aussi des phalènes nuisibles du riz au Territiore du Nord, d'Australie, òu des moyens de contrôle culturèl, chimique et biologique, en intégration, ont été appliqués contre le majeur foreur de tige du riz blanc, Scirpophaga innotata (Walk.), conjointement avec C. suppressalis et C. polychrysa.

Keywords

Sugar-cane moth borersChilo terrenellusC. influscatellusrice stem borersChilo suppressalisC. polychrysaC. auricilia
Type
Status and Control of Chilo spp. in Different Regions
Information
International Journal of Tropical Insect Science , Volume 11 , Special Issue 4-5: Tropical Stem Borers of Graminaceous Crops: A New Synthesis , October 1990 , pp. 535 - 539
Copyright
Copyright © ICIPE 1990

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References

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