Control the annual bluegrass weevil, Listronotus maculicollis with entomopathogenic nematodes

Recently, McGraw et al (2010) demonstrated that field application of three species of entomopathogenic nematodes (Steinernema carpocapsae, S. feltiae and Heterorhabditis bacteriophora) at rate of 2.5 billion nematodes/hectare reduced over 69% population of first generation late instars of the annual bluegrass weevil, Listronotus maculicollis. For more information on the interaction between entomopathogenic nematodes and the annual bluegrass weevil read following literature.

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McGraw, B.A. and Koppenhofer A.M. 2008.  Evaluation of two endemic and five commercial entomopathogenic nematode species (Rhabditida : Heterorhabditidae and Steinernematidae) against annual bluegrass weevil (Coleoptera : Curculionidae) larvae and adults. Biological Control. 46: 467-475.

McGraw, B.A. and Koppenhofer A.M. 2009.  Population dynamics and interactions between endemic entomopathogenic nematodes and annual bluegrass weevil populations in golf course turfgrass. Applied Soil Ecology. 41: 77-89.

McGraw, B.A., Vittum, P.J., Cowles, R.S. and Koppenhofer A.M. 2010.  Field evaluation of entomopathogenic nematodes for the biological control of the annual bluegrass weevil, Listronotus maculicollis (Coleoptera: Curculionidae), in golf course turfgrass. Biocontrol Science and Technology. 20: 149-163.

Control of annual bluegrass weevil, Listronotus maculicollis with entomopathogenic nematodes

It has been reported that the entomopathogenic nematodes including Steinernema carpocapsae, S. feltiae and Heterorhabditis bacteriophora when applied at rate of 2.5 billion infective juveniles/ha can cause 69- 94% mortality of first generation late instars of annual bluegrass weevil, Listronotus maculicollis. Of the 3 species of entomopathogenic nematodes, S. feltiae showed higher virulence against annual bluegrass weevil than the other two nematode species (see McGraw et al., 2010).

Read following research papers for more information on interaction between entomopathogenic nematodes and annual bluegrass weevil, L. maculicollis.

McGraw, B.A., Vittumb, P.J. Cowlesc, R.S.and Koppenhoumlfera, A.M. 2010.  Field evaluation of entomopathogenic nematodes for the biological control of the annual bluegrass weevil, Listronotus maculicollis (Coleoptera: Curculionidae), in golf course turfgrass. Journal Biocontrol Science and Technology. 20: 149 - 163.