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phenacoccus manihoti control
Proceedings of the International Workshop on the cassava mealybug Phenacoccus manihoti Mat.-Ferr. 57-69. In: Report to the Minister of Agriculture of the Ibaban, Ibaban, Republic of Zaire: IITA Mimeograph. Three NKWE treatments at weekly intervals protected cassava against established early instar nymphs; however, some phytotoxicity was observed. The parasitoid attacks the second and third instar stages of the cassava mealybug. This so-called 'biological control' endeavor was awarded with the 1995 World Food Prize being handed to Swiss entomologist Hans Rudolf Herren. In: Yaninek JS, Herren HR, eds. (Une cochenille nouvelle nuisible au manioc en Afrique Equatoriale, Phenacoccus manihoti n. sp. http://www.sel.barc.usda.gov/catalogs/pseudoco/Phenacoccusmanihoti.htm. Dewi Sartiami, Watson GW, Mohamad Roff MN, Hanifah YM, Idris AB, 2015. Iheagwam, E. U. The components of the entomocoenose and their interrelations. Entomophaga, 33(1):3-6, Norgaard RB, 1988. Canadian Entomologist, 120(1):63-71, Sunil Joshi, Pai, S. G., Deepthy, K. B., Ballal, C. R., Watson, G. W., 2020. [2] It soon became an important pest, and methods to control it became a topic of interest. Wallingford, UK; CABI Publishing, 45-59, Neuenschwander P, Ajuonu O, 1995. Bulletin of Entomological Research, 80(4):417-425, Löhr B, Varela AM, 1987. Life-table studies on Epidinocarsis lopezi (DeDantis) (Hym., Encyrtidae), a parasitoid of the cassava mealybug, Phenacoccus manihoti Mat.-Ferr. Biological control of cassava pests in Ghana. and Van der Werf, W., 2018. Bulletin of Entomological Research, 79(4):579-594, Neuenschwander P, Haug T, Ajounu O, Davis H, Akinwumi B, Madojemu E, 1989. Paris, France: European and Mediterranean Plant Protection Organization. Investigations on cassava in the Republic of Zaire. Effects of neem (Azadirachta indica) kernel water extracts on cassava mealybug, Phenacoccus manihoti (Hom., Pseudococcidae). Biological control of the cassava mealybug, Phenacoccus manihoti (Hom., Pseudococcidae) by Epidinocarsis lopezi (Hym., Encyrtidae) in West Africa, as influenced by climate and soil. In: Proceedings of the International Workshop on the cassava mealybug Phenacoccus manihoti Mat.-Ferr. [10] There are several types of sensilla chaetica. © Copyright 2020 CAB International. In the early 1970s, the cassava mealybug P. manihoti was accidentally introduced to Africa. Proceedings of the workshop on invasive alien species and the International Plant Protection Convention, 22-26 September 2003 [Identification of risks and management of invasive alien species using the IPPC framework. Factors affecting biological control of cassava mealybug by exotic parasitoids: a ratio-dependent supply-demand driven model. By contrast, mortality of the unstung control … 4772 (1), 191-194. Ibadan, Nigeria: IITA, 141-46, Hennessey RD, Muaka T, 1987. [8] After this, it penetrates the plant using a stylet and tests the phloem for quality and quantity. Pesticides should always be used in a lawful manner, consistent with the product's label. Acta Oecologica, Oecologia Applicata, 8(2):165-174, Ru B le, Iziquel Y, Biassangama A, Kiyindou A, 1991. Phenacoccus manihoti (cassava mealybug); adults on cassava. Phenacoccus manihoti es una especie de insectos escala.. A principios de la década de 1970, P. manihoti se introdujo accidentalmente a África.Dentro de los 15 años de su descubrimiento, que había invadido la mayor parte de África Occidental y Central y se extiende hacia el Este. harinoso (Phenacoccus manihoti Mat. 12: 235 – 248. (Pseudococcidae) held at INERA-M'vuazi, Bas-Zaire, Zaire, June 26-29, 1977. International Institute of Tropical Agriculture. Eggs are oblong, golden yellow and enclosed in woolly ovisacs located at the posterior end of the adult females. Biological control of the cassava mealybug Phenacoccus manihoti (Hom., Pseudococcidae) by Epidinocarsis lopezi (Hym., Encyrtidae) in Malawi Annales de la Societe Entomologique de France. [14], Neuenschwander, P., et al,. Matile-Ferrero D, 1978. (Hym., Platygasteridae), parasitoid of the cassava mealybug, Phenacoccus manihoti (Hom. Cassava mealybug in the People's Republic of Congo. Introductions and dispersal of Epidinocarsis lopezi (Hym., Encyrtidae), an exotic parasitoid of the cassava mealybug, Phenacoccus manihoti (Hom., Pseudococcidae), in Africa. The benefit to cost ratio of biological control by Apoanagyrus (Epidinocarsis) lopezi was calculated as at least 199:1. The Afrotropical species of the subgenus Gitonides Knab of the genus Cacoxenus Loew, with larvae predatory on mealybugs (Diptera: Drosophilidae). Estimating overall returns to international agricultural research in Africa through benefit‐cost analysis: a “best‐evidence” approach. Biological control of the cassava mealybug by Epidinocarsis lopezi in Africa: a review of impact. Ants attending mealybugs for their honeydew are known to defend the pests from natural enemies that would otherwise attack them. Melanization of eggs and larvae of the parasitoid, Epidinocarsis lopezi (De Santis) (Hymenoptera: Encyrtidae), by the cassava mealybug, Phenacoccus manihoti Matile-Ferrero (Homoptera: Pseudococcidae). Encyrtidae) en Republique Populaire du Congo. Ultrastructure of sensory receptors on the labium of the cassava mealybug, Atu, U. G. & Okeke, J.E,. PM6 - Safe use of Biological Control; PM7 - Diagnostics; PM8 - Commodity-specific Phytosanitary Measures; PM9 - National Regulatory Control Systems; PM10 - Phytosanitary Treatments; Photos . The antenna are thought to be useful in detecting volatile substances given off by the plant. Valid Names Results Phenacoccus manihoti Matile-Ferrero, 1977 (Pseudococcidae: Phenacoccus) Nomenclatural History . I.- Faunistic inventory and trophic relationships. - Establishment and dispersal of the exotic parasitoid Epidinocarsis lopezi (Hym. Phenacoccus manihoti is a scale insect species. Coccoidea Pseudococcidae) in the People's Republic of Congo. Use of manure or other fertilizers can result in a reduction in the mealybug population because improved nutrition results in the production of larger parasitoid wasps with higher fertility levels (Schulthess et al., 1997). It was introduced to Nigeria in 1981 and is now established in at least 26 African countries (Ganga, 1984; Herren et al., 1987b; Korang-Amoakoh et al., 1987; Biassangama et al., 1988; Neuenschwander and Herren, 1988; Neuenschwander et al., 1989a, 1989b; Boussienguet et al., 1991; Hennessey et al., 1990; Herren and Neuenschwander, 1991; Neuenschwander and Zweigert, 1994). Ibadan, Nigeria: IITA, 57-69, Matile-Ferrero D, 1977. Biocontrol Science and Technology. A field trial on a moderately infested four-month old cassava plot was initiated at Ugwuoba field station of National Root Crops Research Institute, to determine the efficacy of five insecticides for control of cassava mealybug (CMB), Phenacoccus manihoti … 'Cassava trees' used to rear parasitoids. [2][12] The successful elimination of the cassava mealybug across the African continent increased farmer's cassava yields and livelihoods, without any negative environmental side-effects.[12]. Population growth patterns for. Maredia, M.K. by Herren HR, Hennessey RD, Bitterli R]. Many different kinds were used and studied and they did seem to be effective, but they were costly. Quality requirements in natural enemies used for inoculative release: practical experience from a successful biological control programme.
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