Evaluation of Some Factors Affecting the Efficiency of Light Traps in Collecting Mosquitoes

Barr, Ralpu. A.; Smith, Theodore A; Boreham, Melvin M.; White, Kathleen

doi:10.1093/jee/56.2.123

Cited by 40 publications

(24 citation statements)

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“…Similar findings have been reported for other species of mosquitoes by Bradley & McNeel (1935), Horsfall (1943), Pratt (1948), Provost (1959), Barr et a/. (1960Barr et a/. ( , 1963 and Miller et al (1970).…”

Section: Discussionsupporting

confidence: 90%

Diel biting activity of Culex (Melanoconion) caudelli in Trinidad, West Indies

Chadee

Tikasingh

1989

Medical Vet Entomology

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The diel biting periodicity of the arbovirus vector Culex (Melanoconion) caudelli Dyar and Knab (Diptera; Culicidae) in the Aripo-Wallerfield forest, Trinidad, was studied by collecting mosquitoes attracted to mouse-baited traps at 2-hourly intervals during eight 24 h periods. Biting females of Cx caudelli were collected during all night-time hours, 18.00-06.00 hours, with an overall unimodal pattern, i.e. one well-defined peak between 22.00 and 04.00 hours. This contrasts with previous reports that Cx caudelli is diurnally active. During the four moon phases, the period of peak biting activity varied from 22.00 to 24.00 hours at fullmoon, from 22.00 to 04.00 hours at first quarter, and from 24.00 to 02.00 hours at new moon and last quarter phases. The number of mosquitoes collected varied significantly with moon phases, the highest (152/24 h) being collected in the first lunar quarter and the lowest (71/24 h) in the last lunar quarter. Cloud cover and rainfall had no significant effect on the diel biting periodicity of Cx caudelli.

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Section: Discussionsupporting

confidence: 90%

Diel biting activity of Culex (Melanoconion) caudelli in Trinidad, West Indies

Chadee

Tikasingh

1989

Medical Vet Entomology

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“…Several studies have demonstrated that some variables such as vertical or horizontal screens, air ow and direction, trap colour, screen mesh size, etc. could more directly affect the trap function [21,22].…”

Section: Discussionmentioning

confidence: 99%

Assessment of Novel Lehmann’s Funnel Entry Trap Prototypes Performance to Control Malaria Mosquito Populations

Sanou

Maïga

Bilgo

et al. 2020

Preprint

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BackgroundThere is a global consensus that new intervention tools are needed to cross the last miles in malaria elimination/eradication. In a recent study in Burkina Faso, the Lehmann Funnel Entry Trap (LFET) have shown excellent promise in mosquito densities reducing even in area of high insecticide resistance up to 80%. It requires no chemicals and is self-operated. However, one of the issues of the LFET is the big size of the funnel occupying lot of space inside houses. Here we compared the performance of three new prototypes of LFET with reduced size that combine screening and killing effect on mosquitoes. MethodsThe study was carried out for three months during the rainy season both in low and high malaria vector density sites, Soumousso and Vallée du Kou respectively. The original LFET was modified and 3 new prototypes were produced locally and tested over 3 months (8 days/month) to evaluate their effectiveness in trapping and killing mosquitoes entering houses through the windows. ResultsIn both sites, an overall of 78,435 culicine mosquitoes collected in both traps and houses and most of them were mainly Anopheles gambiae s.l. n= 76,558 (98%) and other species represented n = 1,877 (2%). Of the culicine caught in the trial, n= 55,256 (72%) were collected in traps. The 3 new LFET prototypes reduced the indoor density of mosquitoes collected in the houses by a range of 36 to 73% and 69 to 70% in low vector density setting, Soumousso and high vector density area, Vallée du Kou respectively. The prototype 1 caught a greater number of mosquitoes than the prototype 2 whereas no difference was observed between other prototypes in VK3. In Soumousso, the prototypes 1 and 2 collected significantly higher number of mosquitoes compared to the prototypes 3 and 4. ConclusionThis study has shown that the new LFET prototypes are promising for malaria vector control and could enter in the malaria vector control toolbox in the coming years. Therefore, a large-scale study with one of the prototypes is needed on the practical ability and community acceptance of the LFET to control malaria vectors.

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“…Barr et al. () found that the intensity of light is the most important factor in attracting insects. However, the present study did not investigate the effect of variable light intensity.…”

Section: Discussionmentioning

confidence: 99%

“…Alternatively, moth responses to UV light were hypothesized to have been reflected from green plant tissues, and visual response to plants can be adaptive for phytophagous insects (Prokopy and Owens 1983). Barr et al (1963) : wind direction; II: wind group II; III: wind group III. ns: not significant.…”

Section: Effects Of Spectral Compositionmentioning

confidence: 99%

Effect of light colours and weather conditions on captures of Sogatella furcifera (Horváth) and Nilaparvata lugens (Stål)

Yang

Zhang

et al. 2013

J Applied Entomology

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To study the phototactic responses of white‐backed planthopper, Sogatella furcifera (Horváth) and brown planthopper, Nilaparvata lugens (Stål) to different wavelengths, four colours of light traps (blue, green, yellow and red light‐emitting diodes) were placed in the same rice field along with a traditional black light trap. This study revealed that S. furcifera and N. lugens are more attracted to blue and green lights than that to yellow and red lights. During the 24 nights, compared with the black light trap, the blue LED trap could catch more rice planthoppers at 17 nights. Furthermore, catches of other species (moths and beetles) were substantially reduced in blue LED light traps. Multiple regression models were developed to assess the effect of weather factors on light trap catches of rice planthoppers. Rainfall and mean air temperature at a night mainly affected light trap catches of S. furcifera. Higher rainfall and lower temperature increased light trap catches of S. furcifera. However, wind speed was the main factor affecting the catches of N. lugens, and the lower incidence of catches was found in the night when wind speed exceeded 3.08 m/s. S. furcifera may be flying against wind at light wind nights by 0.3–1.5 m/s, whereas N. lugens may be flying down at strong wind nights by 1.5–3.08 m/s. Relative humidity did not significantly influence on trap catches. Consequently, light wavelengths, precipitation, average temperature and wind should be considered when monitoring rice planthoppers by light traps. Therefore, the blue LED light traps are worth using for monitoring planthoppers.

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Evaluation of Some Factors Affecting the Efficiency of Light Traps in Collecting Mosquitoes

Cited by 40 publications

References 0 publications

Diel biting activity of Culex (Melanoconion) caudelli in Trinidad, West Indies

Diel biting activity of Culex (Melanoconion) caudelli in Trinidad, West Indies

Assessment of Novel Lehmann’s Funnel Entry Trap Prototypes Performance to Control Malaria Mosquito Populations

Effect of light colours and weather conditions on captures of Sogatella furcifera (Horváth) and Nilaparvata lugens (Stål)

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