Incidence des attaques de la punaise Pseudotheraptus Devastans (Distant) (Heteroptera : coreidae) sur trois varietes hybrides de cocotier, PB 113+, PB 121+ ET NVS x GVT en Côte D’Ivoire

Doh, Franceline; Yao, Mds; Issali, AE

doi:10.4314/ijbcs.v8i6.25

Cited by 3 publications

(4 citation statements)

References 6 publications

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“…However, according to [15], P. devastans is more likely to attack the coconut tree which is its main crop. This is in contrast to [5] and [4] which stated that P. devastans was the main pest of coconut. The damage caused by this species on coconut trees could reach 80% of the crop.…”

Section: Abundance Of Pseudotheraptus Devastanscontrasting

confidence: 73%

“…The cocoa tree being the main plant of the region, it would have become the food of P. devastans. Also, studies have shown that P. devastans is an important pest of plants in the coconut family [4,17]. Therefore, the absence of these plants in these areas due to deforestation could favor the development of these pests in cocoa production.…”

Section: Abundance Of Pseudotheraptus Devastansmentioning

confidence: 99%

“…Despite this remarkable performance, the sustainability of cocoa cultivation is threatened by numerous insects, the most important of which are mirids, stem borers, bugs, and scale insects [2,3]. Besides, the bug, Pseudotheraptus devastans Distant (Heteroptera: Coreidae) also attacks cocoa trees [4]. This insect is known as a pest of several perennial plants worldwide [5,6].…”

Section: Introductionmentioning

confidence: 99%

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Bionomics and Importance of an Emerging Pest Pseudotheraptus devastans (Distant) (Heteroptera: Coreidae) in the Cocoa Orchards of Côte d'Ivoire

Kouamé

N’Guessan

N'Guessan

et al. 2021

JEAI

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The cocoa tree is a very important plant in Côte d'Ivoire (formerly known as Ivory Coast) with a production of 2,15 million tons. In spite of this performance, cocoa production is attacked by several pests of which the emerging ones are Pseudotheraptus devastans (Distant). These insects attack cherelles, pods, gourmands and young shoots. This study aims to locate these pests and determine their importance in the different cocoa production areas. The device used is total randomization. The leaching carried out in the orchard revealed the presence of P.devastans in all the cocoa producing districts. The means were 0,02 ± 0,00 to 2,35 ± 0,38 P. devastans / tree. The districts of Sassandra-Marahoué, Comoé and Montagnes recorded more P.devastans. However, the districts of Bas-Sassandra, Lagunes et Lacs had fewer P.devastans.

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Section: Abundance Of Pseudotheraptus Devastanscontrasting

confidence: 73%

Section: Abundance Of Pseudotheraptus Devastansmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Bionomics and Importance of an Emerging Pest Pseudotheraptus devastans (Distant) (Heteroptera: Coreidae) in the Cocoa Orchards of Côte d'Ivoire

Kouamé

N’Guessan

N'Guessan

et al. 2021

JEAI

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“…Nymphs and adults attack the youngest nuts under 7 months old. Their stings trigger the premature falling of the young nuts aged from 2 to 3 months [4] or severe deformations of the future old nuts. Two reasons explain this premature falling.…”

Section: Introductionmentioning

confidence: 99%

Biological Cycle of Bug <i>Pseudotheraptus devastans</i> Distant (Heteroptera: Coreidae), the Coconut Pest in Côte d’Ivoire

Doh

Yoboué

Koffi

et al. 2016

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Pseudotheraptus devastans Distant (Heteroptera: Coreidae), is an important coconut pest in Côte d'Ivoire. The stings from Nymph and adult cause not only the falling of immature nuts, but also their deformation. This triggers losses of production in the order can reach 80%. Little information is available about this pest. Those existing are limited to its ecology and damages caused in host-plants. The present investigation is aimed to study the life cycle of this pest. The experiment was carried out in a coconut field of the Marc Delorme Coconut Research Station (MDCRS). On these coconut palms, bunches between 3 and 4 months of age, enclosed in cage were used. Development duration from an egg to adult emergence averaged 28.26 days. The average incubation period was on average 6.63 days and fertility rate of eggs was 98.01%. Nymphal development period was 21.63 days. The sex-ratio is in favour of females which live 112.6 ± 13.45 days. These females laid on average 198.85 ± 36.05 eggs. The males lived on average 131.3 ± 17.7 days. The knowledge of these different parameters could allow the development of a control method based on the breaking of life cycle of this pest.

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Important alien and potential native invasive insect pests of key fruit trees in Sub-Saharan Africa: advances in sustainable pre- and post-harvest management approaches

2022

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Fruit production in Sub-Saharan Africa is of paramount importance both socially and economically. Millions of farmers derive livelihoods from mango, avocado, citrus, cashew, and coconut farming, but native and alien invasive species constrain production The region’s capacity to contain invasives is weak due to the absence of national and institutional support systems for early detection, containment, eradication, or management of the pests. Climate change is expected to play a huge role in the influx of more alien invasive species and the shift of ecological requirements of some native species. Though a fair share of pre-and post-management pest management techniques for several insect pests has been developed, adoption and adaptation of the options are limited. Data on economic and social implications are largely lacking, making it challenging to implement informed policy decisions. The existence of the “Strategy for Managing Invasive Species in Africa 2021–2030” promises a paradigm shift in the management of invasives, from reactive thinking to coordinated proactive approaches. The uncoordinated deployment of management measures in the region and the lack of funding, play a negative role in managing the pests effectively. Prospects for enhanced future research are wide, and efforts are currently being channeled to Area-Wide-Integrated Pest Management in a bottom-up approach with stakeholders owning the process. Participatory development of technologies is also taking centre stage, paving the way for increased adoption and adaptation. Postharvest technologies promise to provide the adequate phytosanitary assurance required by countries importing fruit from Sub-Saharan Africa.

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Incidence des attaques de la punaise Pseudotheraptus Devastans (Distant) (Heteroptera : coreidae) sur trois varietes hybrides de cocotier, PB 113+, PB 121+ ET NVS x GVT en Côte D’Ivoire

Cited by 3 publications

References 6 publications

Bionomics and Importance of an Emerging Pest Pseudotheraptus devastans (Distant) (Heteroptera: Coreidae) in the Cocoa Orchards of Côte d'Ivoire

Bionomics and Importance of an Emerging Pest Pseudotheraptus devastans (Distant) (Heteroptera: Coreidae) in the Cocoa Orchards of Côte d'Ivoire

Biological Cycle of Bug <i>Pseudotheraptus devastans</i> Distant (Heteroptera: Coreidae), the Coconut Pest in Côte d’Ivoire

Important alien and potential native invasive insect pests of key fruit trees in Sub-Saharan Africa: advances in sustainable pre- and post-harvest management approaches

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Incidence des attaques de la punaise Pseudotheraptus Devastans (Distant) (Heteroptera : coreidae) sur trois varietes hybrides de cocotier, PB 113+, PB 121+ ET NVS x GVT en Côte D’Ivoire

Cited by 3 publications

References 6 publications

Bionomics and Importance of an Emerging Pest Pseudotheraptus devastans (Distant) (Heteroptera: Coreidae) in the Cocoa Orchards of Côte d'Ivoire

Bionomics and Importance of an Emerging Pest Pseudotheraptus devastans (Distant) (Heteroptera: Coreidae) in the Cocoa Orchards of Côte d'Ivoire

Biological Cycle of Bug &lt;i&gt;Pseudotheraptus devastans&lt;/i&gt; Distant (Heteroptera: Coreidae), the Coconut Pest in C&#244;te d’Ivoire

Important alien and potential native invasive insect pests of key fruit trees in Sub-Saharan Africa: advances in sustainable pre- and post-harvest management approaches

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Biological Cycle of Bug <i>Pseudotheraptus devastans</i> Distant (Heteroptera: Coreidae), the Coconut Pest in Côte d’Ivoire