Laboratory and field evaluation of Teknar HP-D, a biolarvicidal formulation of Bacillus thuringiensis ssp. israelensis, against mosquito vectors

Gunasekaran, K.; Doss, P. S. Boopathi; Vaidyanathan, K.

doi:10.1016/j.actatropica.2004.04.008

Cited by 12 publications

(5 citation statements)

References 12 publications

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“…Although, there was no significant (Figure 1), at 48 h of exposure to all the treatments, gradual increase in percentage mortality was recorded and results from each treatment were significantly different from each other (Figure 2). This might be as a result of increase in the feeding rate of the larvae which is in agreement with the results of Gunasekaran et al (2004). In Figure 3, decrease in percentage mortality of the inoculated mosquito larvae was observed.…”

Section: Resultssupporting

confidence: 89%

Evaluation of the potency of some entomopathogenic bacteria isolated from insect cadavers on Anopheles arabiensis Giles (Order: Dipthera; Family: Culicidae) mosquito larvae in Nigeria

Omoya¹,

O²,

Akinyosoye³

et al. 2013

Afr. J. Microbiol. Res.

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The laboratory evaluation of larvicidal activities of some bacteria namely; Pseudomonas aeruginosa, Bacillus polymyxa and and Bacillus subtilis was assessed against the second and fourth instar of Anopheles arabiensis collected from South West Nigeria. Concentrations ranging from 1.3 x 10 7 cfu/mL to 6.5 x 10 7 cfu/mL were tested on the larvae for a period of 48 h. The disparity in the activities was monitored with B. subtilis displaying the highest activity in both the second and fourth instar with LC 50 of 0.865 and 2.361 mg/mL respectively. P. aeruginosa showed LC 50 of 1.931 and 4.205 mg/mL while the least activity was recorded in B. polymyxa with LC 50 of 5.776 and 7.403 mg/mL. There were significant differences in the LC 50 value of the bacteria on the tested instars. Values obtained from the fourth instar group were significantly different from those obtained from the second instar group in all the treatments. Finding from this study show that B. subtilis may be a potential biocontrol agent of A. arabiensis, the main malaria vector in Nigeria.

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Section: Resultssupporting

confidence: 89%

Evaluation of the potency of some entomopathogenic bacteria isolated from insect cadavers on Anopheles arabiensis Giles (Order: Dipthera; Family: Culicidae) mosquito larvae in Nigeria

Omoya¹,

O²,

Akinyosoye³

et al. 2013

Afr. J. Microbiol. Res.

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“…israelensis ( Bti ). Bti is effective against mosquito larvae [ 5 ] but cannot control the pupal stage, frequent repeat applications are needed [ 6 ] and it is expensive. Another biocontrol method, the use of larvivorous fish in appropriate water bodies, has been used in mosquito control for over 100 years [ 7 ] and can also be effective [ 2 , 8 - 10 ].…”

Section: Introductionmentioning

confidence: 99%

Malaria mosquito control using edible fish in western Kenya: preliminary findings of a controlled study

2007

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Background: Biological control methods are once again being given much research focus for malaria vector control. This is largely due to the emerging threat of strong resistance to pesticides. Larvivorous fish have been used for over 100 years in mosquito control and many species have proved effective. In the western Kenyan highlands the larvivorous fish Oreochromis niloticus L. (Perciformes: Cichlidae) (formerly Tilapia nilotica) is commonly farmed and eaten but has not been previously tested in the field for malaria mosquito control.

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“…pipiens s.l. in different places like in India [110], Florida [111], Turkey [112], Poland and Germany [113].…”

Section: Effect Of Bacillus Thuringiensis Var Israelensis (Bti)mentioning

confidence: 99%

Susceptibility of mosquito vectors of the city of Praia, Cabo Verde, to Temephos and Bacillus thuringiensis var israelensis

Pires

Alves²,

Dia

et al. 2020

PLoS ONE

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Many vector-borne diseases circulate in the Republic of Cabo Verde. These include malaria during the colonization of the archipelago by the Portuguese explorers and several arboviruses such as yellow fever (now eradicated), dengue and zika. To control these vector-borne diseases, an integrated vector control program was implemented. The main targeted mosquito vectors are Aedes aegypti and Anopheles arabiensis, and in a lesser extent the potential arbovirus vector Culex pipiens s.l. The main control strategy is focused on mosquito aquatic stages using diesel oil and Temephos. This latter has been applied in Cabo Verde since 1979. Its continuous use was followed by the emergence of resistance in mosquito populations. We investigated the current susceptibility to Temephos of the three potential mosquito vectors of Cabo Verde through bioassays tests. Our results showed various degrees of susceptibility with 24h post-exposure mortality rates ranging from 43.1% to 90.9% using WHO diagnostic doses. A full susceptibility was however observed with Bacillus thurigiensis var israelensis with mortality rates from 99.6% to 100%.

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Laboratory and field evaluation of Teknar HP-D, a biolarvicidal formulation of Bacillus thuringiensis ssp. israelensis, against mosquito vectors

Cited by 12 publications

References 12 publications

Evaluation of the potency of some entomopathogenic bacteria isolated from insect cadavers on Anopheles arabiensis Giles (Order: Dipthera; Family: Culicidae) mosquito larvae in Nigeria

Evaluation of the potency of some entomopathogenic bacteria isolated from insect cadavers on Anopheles arabiensis Giles (Order: Dipthera; Family: Culicidae) mosquito larvae in Nigeria

Malaria mosquito control using edible fish in western Kenya: preliminary findings of a controlled study

Susceptibility of mosquito vectors of the city of Praia, Cabo Verde, to Temephos and Bacillus thuringiensis var israelensis

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