Cultural control methods were investigated over 2 years in southern kwazulunatal, south. Pdf pyrosequencing the cosmopolites sordidus midgut. The predominant groups of staple crops, east african highland. I international conference on banana and plantain for africa banana weevil, cosmopolites sordidus germar, ovipositional preferences, timing of. The banana weevil, cosmopolites sordidus, is the most important insect pest of banana and plantain in the world. The banana weevil borer cosmopolites sordidus is the main pest of banana crops, causing significant losses in productivity, being recommended control by chemical insecticides which cause several. Cosmopolites sordidus grub makes the tunnel inside the rhizome and rhizome starts to rot cultural method. Silky cane weevil, metamasius hemipterus sericeus olivier insecta. Curculionidae 4 dynamics and trapping population assessment of m. Initially the young larvae make several longitudinal tunnels in the surface tissue until they are able to penetrate to adjacent inner leafsheaths. Data on the abundance of the banana weevil cosmopolites. The banana weevil cosmopolites sordidus biology and life cycle. Efficacy of cultural control measures against the banana.
Fortyfive musa clones, including endemic and introduced cultivars plus hybrids, were evaluated for resistance against the banana weevil, cosmopolites sordidus, in a field trial in uganda. Diseases of bananafruit in myanmar pests of bananafruit in myanmar sr. Cosmopolites is a genus of true weevil in the dryophthorinae subfamily and tribe sphenophorini. Theaspirane identified as the kairomone for the banana weevil, cosmopolites sordidus, from attractive senesced leaves of the host banana, musa spp.
The banana weevil cosmopolites sordidus biology and life cycle, symptoms, control methods, distribution, chemical control, cultural control, biological control, host plant resistance, and research needs. The banana weevil cosmopolites sordidus germar is the most challenging insect pest of musa spp globally. The larvae bore in the corm, reducing nutrient uptake and weakening the stability of the plant. Silky cane weevil, metamasius hemipterus sericeus olivier. Life cycle of the banana root borer, cosmopolites sordidus germar. Data on the abundance of the banana weevil cosmopolites sordidus and of the earwig euborellia caraibea in bare soil and. Plaesius javanus is also established in samoa, and many other pacific island countries, but not tonga. Pyrosequencing the cosmopolites sordidus midgut transcriptome reveals candidate genes for silencing rnai conference paper pdf available november 20 with 50 reads how we measure reads. The banana weevil, cosmopolites sordidus germar coleoptera, curculionidae, is the most important insect pest of bananas and plantains, musa spp. Gallardo 1988 and wolcott 1947 have reported 15 parasitoids from puerto rico. Very detailed discussions are given in the articles that were published by banana bioveristy international.
Pdf biology and integrated pest management for the banana. Most efforts are currently focused on managing bxw, but the other pests still need attention as they. The banana weevil cosmopolites sordidus biology and life cycle, symptoms, control methods, distribution, chemical control, cultural control, biological control, host plant resistance, and research. With low oviposition rates, population buildup is slow and weevil problems are most often encountered in ratoon crops. The banana weevil cosmopolites sordidus bioversity international. Infochemicals pheromones and kairomones can be a potential. Banana weevil levels are often low in a newly planted field. Another pest of coffee with a high potential for biological control is the coffee leafminer, leucoptera coffeella.
Larva of the banana root borer, cosmopolites sordidus germar. Empirical relationships between banana yields and climate. The larvae and adults of plaesius javanus attack both grubs and pupae of cosmopolites sordidus. Study on major insectpests and diseases of fruits in nepal. Chemical ecology and integrated management of the banana weevil cosmopolites sordidus in uganda. Curculionidae 3 life cycle and biology eggs are laid between leaf sheaths and stems as well as around the corm, often in the. The culprit larva of either odoiporus longicollis or cosmopolites sordidus. Evaluation of corm, pseudostem and pheromone traps for the. Pdf levels of host plant resistance to banana weevil. Annals of the entomological society of america, 56. Ces galeries dalimentation affaiblissent le bananier provoquant.
Banana weevil cosmopolites sordidus germar coleoptera. Download adobe acrobat reader free software to read pdf files. The banana weevil cosmopolites sordidus germar is the most. The banana weevil cosmopolites sordidus is an important and serious insect pest in most banana and plantaingrowing areas of the world. Cosmopolites sordidus, banana rust thrips chaetanaphothrips signipennis qld, nsw, wa, nt only seasonal program stool treatment method 250330 ml100 l twice per year or 660 ml 100 l once.
Both tissue culture and conventional bananas are prone to banana weevil and nematode infestations. Spatiotemporal distribution of banana weevil cosmopolites. Paring and heat sterilization of the corms to eliminate the banana root weevil cosmopolites sordidus germar. The banana weevil cosmopolites sordidus germar is the most important insect pest of bananas and plantains musa spp. Pyrosequencing the midgut transcriptome of the banana. Scientific name common name order family source 1 aleurocanthus woglumi citrus blackfly hemiptera. Cosmopolites sordidus, cultural control, host plant resistance, integrated pest management, neem, plantain abstract the banana weevil cosmopolites sordidus germar is the most important. Biological control of the banana weevil cosmopolites sordidus germar with entomogenous nematodes. Pdf this study was carried out to investigate the potential role of banana weevils as vectors of xanthomonas campestris pv. Begin applications in spring when pest activity is on the increase, and reaches a threshold. In fiji, it appears to have reduced the damage done by the weevil, but this needs to be confirmed. Insects and related organisms sorted by common name. The type species and most economically important is the banana weevil cosmopolites sordidus species. Corm damage caused by banana weevils cosmopolites sordidus.
Efficacy of cultural control measures against the banana weevil. Parasites and predators of insect pests of puerto rico introduced in the 1990s. A trial was designed to control banana weevil cosmopolites sordidus, a major insect pest, and termites microtermes spp. The pupa is also typical of the subfamily calendrinae, the beak being very irregularly. Curculionidae is one of the major constraints to banana production especially in small scale farming system in all the banana. The humidity behavior of cosmopolites sordidus germar coleoptera. Cosmopolites sordidus is a major pest of plantain in most plantain growing regions in the world and causing 34. Bureau of plant pest surveillance and pest risk analysis. Rearrange individual pages or entire files in the desired order. Banana root borer, cosmopolites sordidus germar insecta. In spite of the economic importance of this insect pest very little. Entomopathogenic fungi for the management of banana rhizome weevil cosmopolites sordidus germer publisher. Now i know why my edible bananas are dying gardening.
Dorsal view of the pupa of the banana root borer, cosmopolites sordidus germar. Pdf chemical ecology and integrated management of the banana. Species natural enemy success level selenothrips rubrocinctus dasyscapsus parvipennis partial aleurocanthus. The beetle larvae produce feeding tunnels in the pseudostem and rhizome. Abstract the banana weevil, cosmopolites sordidus, is the most important insect pest of banana and plantain in the world. Pdf biology and integrated pest management for the. The principal active component produced by highly attractive senesced host banana leaves, musa spp. The insect pests mostly observed are root stockrhizome weevil cosmopolites sordidus, stem borer odioporus longicollis, thrips, banana beetle nodostoma subcostatum, banana aphid pentalonia.
Apply at intervals of 3 months with 3 applications per season. Infestation with weevils and nematodes were higher for tissue culture banana in the dry season. Enhancing banana weevil cosmopolites sordidus resistance by plant genetic modification. Pdf the banana weevil, cosmopolites sordidus germar, is a. Department of agricultural entomology, college of agriculture, vellayani. The banana weevil, cosmopolites sordidus, is an economical pest of musa, distributed to most areas where the crop is grown. In most regions of east africa, the east african highland banana eahb musa sp.
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