Fine-scale infestation pattern of Bactrocera dorsalis (Diptera: Tephritidae) in a mango orchard in Central Mozambique

Bota, Luis; Fabião, Braine; Meyer, M. De; Manuel, Lourenço; Mwatawala, M.; Virgilio, M.; Canhanga, L.; Cugala, D.

doi:10.1007/s42690-020-00152-5

Cited by 5 publications

(6 citation statements)

References 24 publications

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“…In fact, the zones II, III and IV are considered in Togo as major fruit producing regions, which is not the case for the ecological zone I in the Northern part of the country where the diversity of host plants may be lower, probably because of the less favorable ecological and climatic conditions. Similar study conducted by Bota et al (2020) also showed that the population of fruit flies that infest mango orchards in the central Mozambique may come from the marginal area, especially from local varieties of mango which get matured earlier.…”

Section: Discussionsupporting

confidence: 65%

“…The very high proportions and prevalence of B. dorsalis in all the mango orchards in Togo is an evidence that this invasive species has settled in Togo and has undoubtedly constituted a threat to mango and other fruits production. (Bota et al 2018(Bota et al , 2020N'Da 2018;Zida et al 2020). The high proportion and prevalence of B. dorsalis in mango orchards do not seem to be explained solely by the effectiveness of the attractant used for this species but mainly by its very good adaptation to the agro-ecological conditions of the study area.…”

Section: Discussionmentioning

confidence: 78%

“…The relatively high species richness obtained with a single study method applied over a month is an evidence that the species found in the mango orchards (which were at fruit ripening stage) and their surrounding vegetation, a favorable abiotic (temperature, relative humidity, precipitation, etc.) and biotic (resting sites, host plants) conditions for their development (Virgilio et al 2009;Goergen et al 2011, Bota et al 2020). These may explain the diversification in species of the two main genera Ceratitis and Dacus.…”

Section: Discussionmentioning

confidence: 99%

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Fruit fly surveillance in Togo (West Africa): state of diversity and prevalence of species

Amevoin

Agboyi²,

Gomina

et al. 2021

Int J Trop Insect Sci

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The production and marketing of fruits, especially mango, in sub-Saharan Africa are threatened by fruit flies (Diptera: Tephritidae). This baseline study analysed the biodiversity of fruit fly species, in mango orchards, in different ecological zones of Togo. Traps used to monitor the flies in the orchards consisted of dry baits, made from four types of parapheromones specific to the males of different species. Forty species of fruit flies were identified in the mango orchards in Togo. The most common species were Bactrocera dorsalis (Hendel), Ceratitis cosyra (Walker), Ceratitis fasciventris (Bezzi), Ceratitis capitata (Wiedemann), Ceratitis bremii Guérin-Méneville, Dacus bivittatus (Bigot), Dacus humeralis (Bezzi), Dacus punctatifrons Karsch and Zeugodacus cucurbitae (Coquillett). The invasive B. dorsalis and the endogenous species, C. cosyra were dominant in the mango producing areas of Togo because their prevalence were very high (B. dorsalis: 2.1 ≤ flies per trap per day (FTD) ≤ 472.2; C. cosyra: 0.34 ≤ FTD ≤ 97.28). There was no area free from fruit flies in Togo during the study. These results constitute an essential reference in the future evaluation of the effectiveness of any control activities initiated in Togo against fruit flies.

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Section: Discussionsupporting

confidence: 65%

Section: Discussionmentioning

confidence: 78%

Section: Discussionmentioning

confidence: 99%

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Fruit fly surveillance in Togo (West Africa): state of diversity and prevalence of species

Amevoin

Agboyi²,

Gomina

et al. 2021

Int J Trop Insect Sci

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“…In West Africa and other parts of the world, mango is the preferred host of B. dorsalis , and infestation results in extreme losses (McQuate et al ., 2017; Bota et al ., 2020). According to previous studies, the native mango/marula fly C. cosyra is steadily being displaced by the invasive B. dorsalis (Ekesi et al ., 2009).…”

Section: Discussionmentioning

confidence: 99%

Mango phenology and fruit fly population dynamics in the transition zone of Ghana

Awarikabey

Afun

Osekre

et al. 2022

Bull. Entomol. Res.

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Crop phenological studies are vital in the formulation of effective integrated pest management packages. A 2-year phenological study spanning 2017–2019 was conducted in eight mango orchards in the transition zone of Ghana, to determine the relationship between the aggregation of culprit fruit fly species and the phenology of the mango crop. A total of 160 shoots were tagged and observed weekly for the plant's developmental processes using the Biologische Bundesantalt, Bundessortenamt and Chemische Industrie mango phenological scale as a guide. Fruit fly monitoring was conducted with two para pheromone attractants (methyl eugenol and terpinyl acetate) in 32 improvised traps. Host fruits sampled at colour break and ripe stages were incubated to identify culprit species. Significant infestation levels were assessed with one way analysis of variance. Three culprit species (Bactrocera dorsalis, Ceratitis cosyra and Ceratitis ditissima) emerged from incubated fruits. Co-infestation between B. dorsalis and C. cosyra was observed mostly at colour break. A residual population of B. dorsalis was observed throughout the crop cycle but peaked at the colour break phenological stage in May and early June, and dropped in August (at post-harvest). The interaction among fruit fly species, season, fruit source and phenological stage of the fruit was significant (P = 0.016). C. cosyra appeared at the beginning of anthesis, increased during flowering to fruit set and peaked in April when fruits were nearing maturity and green. It is therefore important that management practices are implemented throughout the phenological cycle of the crop but intensified from anthesis to post-harvest to reduce pest populations and damage.

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“…47 In Zimbabwe, it was first reported in Mashonaland West and Mashonaland Central Provinces, with potential distribution from the northern part of the country moving further inland towards the central and eastern parts, and neighbouring countries such as South Africa, Zambia and Mozambique. 48,49…”

Section: Discussionmentioning

confidence: 99%

Phytosanitary risk associated with illegal importation of pest-infested commodities to the South African agricultural sector

Tshikhudo

Nnzeru²,

Rambauli

et al. 2021

S. Afr. J. Sci.

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We evaluated the phytosanitary risk associated with illegal importation of pest-infested plant commodities into South Africa. Samples were collected from different South African ports of entry over 8 years (2011 to 2019) and data were analysed descriptively using Statistical Software Package. Pests were frequently detected on commodity species such as Citrus (18.31%), Zea mays (13.22%), Phaseolus vulgaris (12.88%), Musa spp. (9.15%) and Fragaria ananassa (5.08%). The highest number of pests intercepted occurred on fresh fruits (44.06%), followed by grains (26.44%) and vegetables (14.23%). The most intercepted organisms were Callosobruchus rhodesianus (7.79%), Dysmicoccus brevipes (7.11%), Callosobruchus maculates (6.10%) and Phyllosticta citricarpa (4.74%). The majority of intercepted organisms were non-quarantine organisms (70.50%), followed by pests of unknown status (17.28%), quarantine pests (10.84%) and potential quarantine pests (1.35%). Phyllosticta citricarpa, Bactrocera dorsalis, Spodoptera frugiperda and Prostephanus truncatus were the only quarantine pests intercepted in terms of South African regulatory status. The interception was mainly from southern African countries, particularly Mozambique, Zimbabwe and Eswatini. The findings present the level of phytosanitary risk associated with illegal importation and/or non-compliance in regard to plants and plant commodities from different countries through South African ports of entry. Crop production, biodiversity, food security, existing export markets, and access to new export markets could be threatened as importing countries may impose stringent phytosanitary measures to limit the chances of introduction and establishment of quarantine pests into their territories.

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Fine-scale infestation pattern of Bactrocera dorsalis (Diptera: Tephritidae) in a mango orchard in Central Mozambique

Cited by 5 publications

References 24 publications

Fruit fly surveillance in Togo (West Africa): state of diversity and prevalence of species

Fruit fly surveillance in Togo (West Africa): state of diversity and prevalence of species

Mango phenology and fruit fly population dynamics in the transition zone of Ghana

Phytosanitary risk associated with illegal importation of pest-infested commodities to the South African agricultural sector

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