Cosmopolites sordidus pdf files

I international conference on banana and plantain for africa banana weevil, cosmopolites sordidus germar, ovipositional preferences, timing of. Curculionidae 3 life cycle and biology eggs are laid between leaf sheaths and stems as well as around the corm, often in the. Cosmopolites is a genus of true weevil in the dryophthorinae subfamily and tribe sphenophorini. Pdf biology and integrated pest management for the banana. The principal active component produced by highly attractive senesced host banana leaves, musa spp. Insects and related organisms sorted by common name. 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. Enhancing banana weevil cosmopolites sordidus resistance by plant genetic modification. The larvae bore in the corm, reducing nutrient uptake and weakening the stability of the plant. Ces galeries dalimentation affaiblissent le bananier provoquant. Banana weevil levels are often low in a newly planted field. Cosmopolites sordidus, cultural control, host plant resistance, integrated pest management, neem, plantain abstract the banana weevil cosmopolites sordidus germar is the most important.

Most efforts are currently focused on managing bxw, but the other pests still need attention as they. Scientific name common name order family source 1 aleurocanthus woglumi citrus blackfly hemiptera. Begin applications in spring when pest activity is on the increase, and reaches a threshold. Pdf this study was carried out to investigate the potential role of banana weevils as vectors of xanthomonas campestris pv. In most regions of east africa, the east african highland banana eahb musa sp. Download adobe acrobat reader free software to read pdf files. The banana weevil, cosmopolites sordidus, is an economical pest of musa, distributed to most areas where the crop is grown. Species natural enemy success level selenothrips rubrocinctus dasyscapsus parvipennis partial aleurocanthus. With low oviposition rates, population buildup is slow and weevil problems are most often encountered in ratoon crops. In spite of the economic importance of this insect pest very little. A trial was designed to control banana weevil cosmopolites sordidus, a major insect pest, and termites microtermes spp.

Entomopathogenic fungi for the management of banana rhizome weevil cosmopolites sordidus germer publisher. 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. Both tissue culture and conventional bananas are prone to banana weevil and nematode infestations. Banana root borer, cosmopolites sordidus germar insecta. Now i know why my edible bananas are dying gardening. Silky cane weevil, metamasius hemipterus sericeus olivier.

Parasites and predators of insect pests of puerto rico introduced in the 1990s. Cultural control methods were investigated over 2 years in southern kwazulunatal, south. Banana weevil cosmopolites sordidus germar coleoptera. Dorsal view of the pupa of the banana root borer, cosmopolites sordidus germar.

Spatiotemporal distribution of banana weevil cosmopolites. Curculionidae 4 dynamics and trapping population assessment of m. The predominant groups of staple crops, east african highland. Efficacy of cultural control measures against the banana weevil. Corm damage caused by banana weevils cosmopolites sordidus. Data on the abundance of the banana weevil cosmopolites. The insect pests mostly observed are root stockrhizome weevil cosmopolites sordidus, stem borer odioporus longicollis, thrips, banana beetle nodostoma subcostatum, banana aphid pentalonia. Paring and heat sterilization of the corms to eliminate the banana root weevil cosmopolites sordidus germar. Study on major insectpests and diseases of fruits in nepal. Very detailed discussions are given in the articles that were published by banana bioveristy international. The culprit larva of either odoiporus longicollis or cosmopolites sordidus.

Mature larvae of the banana weevil cosmopolites sordidus on a residual rhizome c. Bureau of plant pest surveillance and pest risk analysis. Larva of the banana root borer, cosmopolites sordidus germar. Another pest of coffee with a high potential for biological control is the coffee leafminer, leucoptera coffeella. The type species and most economically important is the banana weevil cosmopolites sordidus species. Theaspirane identified as the kairomone for the banana weevil, cosmopolites sordidus, from attractive senesced leaves of the host banana, musa spp. Potential for biological control of crop pests in the. The larvae and adults of plaesius javanus attack both grubs and pupae of cosmopolites sordidus. Pdf levels of host plant resistance to banana weevil. Empirical relationships between banana yields and climate. Cosmopolites sordidus is a major pest of plantain in most plantain growing regions in the world and causing 34. Life cycle of the banana root borer, cosmopolites sordidus germar. Efficacy of cultural control measures against the banana. Department of agricultural entomology, college of agriculture, vellayani.

Clockwise from top right, adult, larva, pupa, and tunnels in. Pdf biology and integrated pest management for the. The banana weevil cosmopolites sordidus biology and life cycle. Infochemicals pheromones and kairomones can be a potential.

The banana weevil, cosmopolites sordidus germar coleoptera, curculionidae, is the most important insect pest of bananas and plantains, musa spp. The beetle larvae produce feeding tunnels in the pseudostem and rhizome. Dryophthoridae effect of two enthomopathogenic nematodes on cosmopolites sordidus coleoptera. Gallardo 1988 and wolcott 1947 have reported 15 parasitoids from puerto rico. Corm damage caused by banana weevils cosmopolites sordidus germar collected from different banana growing regions in uganda. In fiji, it appears to have reduced the damage done by the weevil, but this needs to be confirmed. Curculionidae is one of the major constraints to banana production especially in small scale farming system in all the banana. The banana weevil cosmopolites sordidus biology and life cycle, symptoms, control methods, distribution, chemical control, cultural control, biological control, host plant resistance, and research. Rearrange individual pages or entire files in the desired order. Silky cane weevil, metamasius hemipterus sericeus olivier insecta. 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. 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. The humidity behavior of cosmopolites sordidus germar coleoptera.

Biological control of the banana weevil cosmopolites sordidus germar with entomogenous nematodes. Pdf the banana weevil, cosmopolites sordidus germar, is a. Pyrosequencing the midgut transcriptome of the banana. Initially the young larvae make several longitudinal tunnels in the surface tissue until they are able to penetrate to adjacent inner leafsheaths.

Evaluation of corm, pseudostem and pheromone traps for the. Apply at intervals of 3 months with 3 applications per season. The banana weevil cosmopolites sordidus bioversity international. The banana weevil, cosmopolites sordidus, is the most important insect pest of banana and plantain in the world. Pdf chemical ecology and integrated management of the banana. Infestation with weevils and nematodes were higher for tissue culture banana in the dry season. Abstract the banana weevil, cosmopolites sordidus, is the most important insect pest of banana and plantain in the world. The banana weevil cosmopolites sordidus germar is the most. The pupa is also typical of the subfamily calendrinae, the beak being very irregularly.