Showing papers on "Dacus published in 2017"
TL;DR: Patterns of female catches in traps containing food‐based attractants were different to patterns of male catches in male lure‐based traps, suggesting that females of Ceratitis capitata and C. cosyra in commercial fruit production areas, patterns of males of Dacus species responded to male lures differently.
Abstract: The efficacy of different attractant trap combinations for monitoring of Afrotropical fruit flies was evaluated in commercial fruit production areas and natural areas in the northern parts of South Africa. Five food-based attractants: three-component Biolure, a combination of ammonium acetate and trimethylamine, a combination of ammonium acetate and putrescine, torula yeast and Questlure, were evaluated in McPhail-type traps. Two male lures targeting Ceratitis species: EGO Pherolure and trimedlure, were evaluated in Sensus bucket traps. Three male lures targeting Dacine fruit flies: methyl eugenol, cue lure and zingerone, were evaluated in Moroccan bucket traps. The three-component Biolure was among the most effective food-based attractant for females of Ceratitis capitata, C. rosa (R1 and R2), C. cosyra and Bactrocera dorsalis. EGO Pherolure attracted a wider range of Ceratitis species than trimedlure but was equally as effective as trimedlure for males of C. capitata and C. rosa (R1 and R2). Dacine flies were specific in their responses to male lures. Bactrocera dorsalis males responded mainly to methyl eugenol. Males of Dacus species responded to either cue lure or zingerone. Zingerone attracted two cucurbit-infesting Dacus species: D. frontalis and D. durbanensis. For B. dorsalis, C. capitata and C. cosyra in commercial fruit production areas, patterns of female catches in traps containing food-based attractants were different to patterns of male catches in male lure-based traps. Implications of these trapping results are discussed.
54 citations
TL;DR: The first checklist of the Tephritidae of Morocco, containing 59 species, is presented here, and three species present new records for North Africa.
Abstract: The first checklist of the Tephritidae of Morocco, containing 59 species, is presented here Out of 38 species collected during the present project, three (Campiglossa martii (Becker, 1908), Tephritis divisa (Rondani, 1871), and Terellia sp near longicauda) present new records for North Africa, and ten (Carpomya incompleta (Becker, 1903), Chaetorellia conjuncta (Becker, 1913), Chetostoma curvinerve Rondani, 1856, Dacus frontalis (Becker, 1922), D longistylus (Wiedemann, 1830), Dioxyna sororcula (Wiedemann, 1830), Ensina sonchi (Linnaeus, 1767), Myopites inulaedyssentericae Blot, 1827, M stylatus Fabricius, 1794, and Tephritis vespertina (Loew, 1844)) are new for Morocco
27 citations
Journal Article•
TL;DR: Nine species of Dacine fruit flies associated with cucurbit crops have been recorded for the first time from Tripura, a North Eastern state of India.
Abstract: Incidence of fruit flies in different cucurbitaceous crops were studied during the present research work. Nine species of Dacine fruit flies viz., Bactrocera (Bactrocera) dorsalis (Hendel), Bactrocera (Bactrocera) latifrons (Hendel), B. (Hemigymnodacus) diversa (Coquillett), B. (Sinodacus) hochii (Zia), B. (Zeugodacus) caudata (Fabricius), B. (Zeugodacus) cucurbitae (Coquillett), B. (Zeugodacus) tau (Walker), B. (Parasinodacus) cilifera (Hendel), and Dacus (Callantra) longicornis (Wiedemann) associated with cucurbit crops have been recorded for the first time from Tripura, a North Eastern state of India. B. (Sinodacus) hochii and B. (Parasinodacus) cilifera are the new country records for India. Brief description of the species recorded and taxonomic keys for identification of these fruit flies are provided.
12 citations
TL;DR: This example of an insect‐plant interaction demonstrates that by morphological and behavioural adaptation, a fruit fly manages to overcome even highly effective defence mechanisms of its host plant.
8 citations
TL;DR: Opportunistic monitoring using baited fruit fly traps throughout Timor-Leste revealed the presence of 16 species of Bactrocera and one species of Dacus, all of which are previously reported from the region, and revealed that nine species are attacking commercial fruits and vegetables.
Abstract: Opportunistic monitoring using baited fruit fly traps throughout Timor-Leste revealed the presence of 16 species of Bactrocera and one species of Dacus , all of which are previously reported from the region. Sampling of a range of commercial fruit species detected an additional species, B. latifrons , and revealed that nine species are attacking commercial fruits and vegetables. A key for separating these species is provided. New host records were found for B. minuscula, B. floresiae and B. bellisi . Variation in the morphology of B. minuscula, B. floresiae and an undescribed species and within B. albistrigata confounded attempts at accurate identification of some specimens.
8 citations
25 May 2017
Abstract: The combination of a yellow color sticky rectangle with an ammonium acetate slow-re lease dispenser (YAA) was compared to a yellow sticky rectangle (Y) and to a McPhail glass trap with Buminal™(MB), Entomozyl™(ME), or ammonium sulfate (MAS) odor lure in a 2% water solution, from the beginning of August till December in an olive grove. When total olive fruit fly, Dacus oleae (Gmelin) (Diptera: Tephritidae), captures were compared, no large differences were detected among YAA, MB and ME traps, while Y and MAS ones were found much inferior. When expressed as a ratio to YAA, total captures were: 1 (YAA), 0.95 (MB), 0.70 (ME), 0.33 (Y) and 0.08 (MAS). In the fall (high population density), both yellow traps showed very high catches, while McPhail odor traps had comparatively reduced effectiveness, apparently due to cool humid weather. The opposite was true in August-September (hot dry weather, low population density). McPhail traps were serviced every 5 days (summer) or 7 days (fall), while YAA and Y traps were replaced by new ones only once, at the beginning of October. The am monium acetate dispenser could last much longer but traps had been covered by insects and debris.
4 citations
Journal Article•
2 citations
Patent•
1 Feb 2017
TL;DR: In this article, the authors proposed a multi-target rapid identification method for the detection of quarantine fruit flies, which can distinguish anastrepha schiner, bactrocera macquart, carpomya, ceratitis, dacus fabricius and rhagoletis.
Abstract: The invention relates to a fruit fly quarantine technology, in particular to a quarantine fruit fly multi-target rapid identification method. The quarantine fruit fly multi-target rapid identification method comprises the following steps: extracting genome DNA of a to-be-detected sample; performing PCR by taking the genome DNA as a template and by using specific primers as shown in SEQ ID NO.1 and SEQ ID NO.2; and detecting the PCR product by gel electrophoresis, wherein the sample belongs to quarantine fruit flies if a 603bp specific band occurs, and the sample does not belong to the quarantine fruit flies if the 603bp specific band does not occur. The quarantine fruit flies relate to anastrepha schiner, bactrocera macquart, carpomya, ceratitis, dacus fabricius and/or rhagoletis; and the specific primers can distinguish the quarantine fruit flies from other tephritidae and diptera close species, have high universality and provide powerful technological support for effectively preventing and controlling introduction and diffusion of the quarantine fruit flies and protecting the ecological safety in China.
TL;DR: Cucumber, the natural host of both Dacus species, was better for small‐scale rearing of these species than the liquid and carrot‐based artificial diets.
Abstract: Species of the genus Dacus are important insect pests of fruits and vegetables. Two Dacus species, Dacus punctatifrons Karsch and Dacus vertebratus Bezzi, as well as Bactrocera dorsalis (Hendel), were reared on a liquid artificial diet, a carrot (Daucus carota L.)‐based solid artificial diet, and a natural fruit host to assess the suitability of the liquid diet for small‐scale rearing of these species. Egg hatch, pupal production, adult emergence and F₁ productivity were recorded to evaluate performance of the three species on each diet. Egg hatch on the three diets was more than 50% for D. punctatifrons and B. dorsalis, but for D. vertebratus, egg hatch was less than 40% when they were introduced to the liquid artificial diet. Pupal production for both Dacus species was very low or nil on the liquid artificial diet and the carrot‐based artificial diet, respectively. Adult emergence was low for D. punctatifrons and nil for D. vertebratus on the liquid artificial diet. This study showed that the two Dacus species did not develop well on either the liquid or solid carrot‐based artificial diet whereas B. dorsalis performed well on the liquid diet. Cucumber, the natural host of both Dacus species, was better for small‐scale rearing of these species than the liquid and carrot‐based artificial diets. Nutrients found in cucumber need to be identified to formulate alternative rearing media for Dacus species that are economical and easy to use.
TL;DR: Results of this study provide a platform for developing a comprehensive and sustainable management strategy for B. dorsalis and other fruit flies in the three agro‐ecosystems to protect the horticulture industry in Benin.
Abstract: The horticulture industry in Benin is under threat due to fruit fly infestation on important crops such as cucurbits and mango. Given the economic losses due to fruit fly infestations, population dynamics of fruit flies on these crops were monitored over 6 years (2004–2010) using three parapheromones—cuelure, methyl eugenol and terpinyl acetate. A total of 2,714,186 specimens belonging to 14 species in four genera (Bactrocera, Ceratitis, Dacus and Zeugodacus) were collected. Bactrocera dorsalis was the dominant species that accounted for 89%, 89.6% and 77.2% of captures in the Forest Savannah Mosaic (FSM), Southern Guinea Savannah (SGS) and Northern Guinea Savannah (NGS) agro-ecosystems, respectively. Shannon index values of species diversity differed significantly among agro-ecosystems, with highest diversity in FSM followed by SGS and NGS. Temperature, rainfall and relative humidity (RH) positively influenced the abundance of Dacus species and Zeugodacus cucurbitae across the three agro-ecosystems. Monthly mean temperatures were in a range suitable for development and reproduction of fruit flies, although minimum temperatures could be below such range, which may explain the lower abundance of fruit fly populations during this period of the year. The abundance of B. dorsalis was negatively correlated with maximum temperature and positively correlated with RH and rainfall. Ceratitis species assemblages were significantly affected by minimum temperatures, rainfall and agro-ecosystem. Populations of B. dorsalis and Ceratitis cosyra dropped drastically in August, while those of Z. cucurbitae and Dacus punctatifrons increased sharply from August. Results of this study provide a platform for developing a comprehensive and sustainable management strategy for B. dorsalis and other fruit flies in the three agro-ecosystems to protect the horticulture industry in Benin.