A Pheromone-Based Trapping System for Monitoring the Population of Cosmopolites Sordidus (Germar) (Coleoptera: Curculionidae)

Reddy, Gadi V. P.; Cruz, Z. T.; Naz, Fritz; Muniappan, R.

doi:10.2478/v10045-009-0001-1

Cited by 12 publications

(17 citation statements)

References 25 publications

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“…The values recorded for the months of December, January and February were 175, 158 and 163, respectively ( Figure 2B). There was no significant correlation between the number of adults captured in the traps with rainfall, which contradicts the data obtained by Duyck et al (2012) and Price (1995) (Table 4), but partially corroborates the results of Reddy et al (2008) for nine of the ten locations evaluated in studies proving the efficiency of traps containing aggregation pheromone.…”

Section: Resultssupporting

confidence: 45%

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New type of trap for monitoring banana weevil population

Queiroz¹,

Fancelli²,

Filho³

et al. 2017

Afr. J. Agric. Res.

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The objective of this study was to test the efficiency of a new model of trap by comparing it with the most recommended and used traps by producers to monitor Cosmopolites sordidus in areas of production of plantains. Three types of vegetable traps were tested: cheese, modified roof tile and a new trap called wedge. The experiment was carried out in five areas of production, measuring one hectare each, in which 20 traps of each type were distributed, totaling 300 traps. The traps were distributed fortnightly and the collections held weekly. The data of monthly averages of insects captured by trap were subjected to the F test for variance analysis in a randomized block design. The averages of the treatments were compared by the Tukey test at 5% probability. The average of C. sordidus adults caught in the wedge trap was superior to other traps tested, indicating greater attractiveness to insects. In this way, the use of this trap for monitoring banana weevil in plantations of plantains in the southern region of Bahia is recommended.

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Section: Resultssupporting

confidence: 45%

“…Therefore, this fact reinforces the need of banana weevil control, which might reduce disease spread. Some alternative methods have been evaluated for minimizing the economic damage posed by C. sordidus (Aby et al, 2015;Gold et al, 2001;Masanza et al, 2005;Reddy et al, 2008;Tinzaara et al, 2007;Uzakah et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

New type of trap for monitoring banana weevil population

Queiroz¹,

Fancelli²,

Filho³

et al. 2017

Afr. J. Agric. Res.

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“…The data from our previous trapping studies indicated that a high population level (Ͼ10 per wk) was recorded in the northern region of Guam, whereas low (Ͻ5 weevils per wk) to medium (Þve to 10 weevils per wk) level populations occurred in the southern parts of the island (Reddy et al 2008). This weevil can cause a yield loss of up to 100% when left uncontrolled.…”

mentioning

confidence: 90%

Visual Cues Are Relevant in Behavioral Control Measures for Cosmopolites sordidus (Coleoptera: Curculionidae)

Reddy

Raman

2011

jnl. econ. entom.

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Trap designs for banana root borer, Cosmopolites sordidus (Germar) (Coleoptera: Curculionidae), have been done essentially on the understanding that C. sordidus rely primarily on chemical cues. Our present results indicate that these borers also rely on visual cues. Previous studies have demonstrated that among the eight differently colored traps tested in the field, brown traps were the most effective compared with the performances of yellow, red, gray, blue, black, white, and green traps; mahogany-brown was more effective than other shades of brown.In the current study, efficiency of ground traps with different colors was evaluated in the laboratory for the capture of C. sordidius. Response of C. sordidus to pheromone-baited ground traps of several different colors (used either individually or as 1:1 mixtures of two different colors) were compared with the standardized mahogany-brown traps. Traps with mahogany-brown mixed with different colors had no significant effect. In contrast, a laboratory color-choice tests indicated C. sordidus preferred black traps over other color traps, with no specific preferences for different shades of black. Here again, traps with black mixed with other colors (1:1) had no influence on the catches. Therefore, any other color that mixes with mahogany-brown or black does not cause color-specific dilution of attractiveness. By exploiting these results, it may be possible to produce efficacious trapping systems that could be used in a behavioral approach to banana root borer control.

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“…Capture rates are higher during rainy periods (Pantoja et al, 2006;Reddy et al, 2008). The addition of pseudostem to pitfall traps does not significantly increase C. sordidus capture rates (Tinzaara et al, 2007a).…”

Section: Introductionmentioning

confidence: 92%

“…Several studies have confirmed the efficacy of sordidinbaited pitfall traps (Tinzaara et al, 1999;de Graaf et al, 2005). A more recent study demonstrated that crawl-in ground traps outperform pitfall traps (Reddy et al, 2009), and that traps are more effective in the shade (Reddy et al, 2008(Reddy et al, , 2009). Reddy's group also has shown that brown or black pitfall traps are more efficacious than other colors (Reddy and Raman, 2011).…”

Section: Introductionmentioning

confidence: 93%

Management of Cosmopolites sordidus and Metamasius hemipterus in Banana by Pheromone-Based Mass Trapping

et al. 2012

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Mass trapping Cosmopolites sordidus (Coleoptera, Curculionidae) using a pheromone-baited pitfall trap and Metamasius hemipterus (Coleoptera, Curculionidae) using a pheromone-sugarcane-baited open gallon trap was conducted in commercial banana. Four traps for each insect per hectare were placed in each of two 5-hectare plots of banana. Two additional 5-hectare plots were designated as controls and treated according to the plantation protocol. Capture rates of C. sordidus and M. hemipterus declined by >75 % over 10-12 months. In the banana growing region studied, corm damage was due primarily to C. sordidus, while only a minor amount of damage was attributable to M. hemipterus. Corm damage reduction in trapping plots was, thus, attributed primarily to C. sordidus trapping. In trapping plots, corm damage decreased by 61-64 % during the experiment. Banana bunch weights increased 23 % relative to control plots after 11-12 months of trapping. Fruit diameter did not vary between bunches harvested from trapping plots vs. control plots. Plant vigor, however, as determined by stem circumference at one meter above ground increased in plots with traps compared to control plots. Trapping for C. sordidus in two plantations of over 200 hectares each, reduced corm damage 62-86 % relative to pre-trapping levels. Insecticide control measures in place when the experiment commenced resulted in about 20-30 % corm damage, while use of pheromone trapping to manage C. sordidus lowered corm damage to 10 % or less. It is estimated that the increase in value of increased yield obtained in this trial (23 %) is about $4,240 USD per year per hectare, while the cost of pheromone trapping is approximately $185 USD per year per hectare. The trapping program becomes revenue neutral if bunch weights increase by an average of 1 % per year of trapping. Approximately 10 % of all plantation area in Costa Rica use the pheromone trapping system described here. The system also is used in Martinique, Guadeloupe, and the Canary Islands.

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A Pheromone-Based Trapping System for Monitoring the Population of Cosmopolites Sordidus (Germar) (Coleoptera: Curculionidae)

Cited by 12 publications

References 25 publications

New type of trap for monitoring banana weevil population

New type of trap for monitoring banana weevil population

Visual Cues Are Relevant in Behavioral Control Measures for Cosmopolites sordidus (Coleoptera: Curculionidae)

Management of Cosmopolites sordidus and Metamasius hemipterus in Banana by Pheromone-Based Mass Trapping

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