Isolation of novel Bacillus species showing high mosquitocidal activity against several mosquito species

Isolation and characterisation of a new mosquitocidal bacterium strain ofEnterobacter cloacaeVCRC-B519 from marine soil

“…These proteins are enzyme specific (polysugar degrading enzyme, cell associated hydrolase and amino peptidases). Similar observations have also been reported from B. cereus (M413, C32, Ts-25, VB-17, VB-24) isolated from diverse environment such as dead mosquito larvae, sediments, ditches and clinical samples (Chatterjee, Subhra Ghosh, & Das, 2010;Chen & Tsen, 2002;Freitas, et al, 2008;Hayes, Hudson, & Park, 2011;Jalalpour, 2011;Park & Federici, 2009;Raffel, Stabb, Milner, & Handelsman, 1996;Zahner, Rabinovitch, Suffys, & Momen, 1999). Among these strains, B. cereus VB17 and VB24 have shown mosquito toxic effects through spore-coat proteins (M.wt: 160 and 180 kDa) (Hayes et al, 2011).…”

The bacterium, Lysinibacillus sphaericus, as an insect pathogen

“…Ochlerotatus has been proposed both as a relatively new genus, members of which were formerly included in the genus Aedes (Reinert, 2000) and as a subgenus of Aedes (Savage and Strickman, 2004). Thus, the generality that L. sphaericus is not a good control agent for Aedes mosquitoes does not hold true for all Aedes species, particularly those in the genus/subgenus Ochlerotatus (although there are conflicting reports concerning activity against Ochlerotatus taeniorhynchus (Hayes et al, 2011;Ramoska et al, 1977)). The bacteria also exhibit toxicity to Mansonia and Psorophora mosquitoes (Cheong and Yap, 1985;Ramoska et al, 1977) but have little or no activity against most Toxorhynchites species, the larvae of which may be predators of other mosquito larvae (Lacey, 1983;Lacey et al, 1988;Thanabalu et al, 1992a).…”

Essential Oils of Umbelliferae (Apiaceae) Family Taxa as Emerging Potent Agents for Mosquito Control

“…The corresponding biological control has dictated the development of novel-alternative mosquito control tools, including the sterile males technique (Patersson et al, 1968), the genetically modified mosquitoes (Gu et al, 2011;Lavialle-Defaix et al, 2011), the entomopathogenic fungi (Van Breukelen et al, 2011;Kanzok & Jacobs-Lorena, 2006) and bacteria. Among the tools developed the bacterial pathogens application is considered as the most prominent intervention, displaying species selective insecticidal ability (Hayes et al, 2011) which is considered as an efficient means for mosquito control without harmful impacts for the environment (Caquet et al, 2011). Major thresholds limiting the wider application of this technique are related with the induced pathogen introduction among the natural mosquito populations (Hancock et al, 2011) and the threats connected with bioaccumulation and resistance development (Tilquin et al, 2008).…”