David Madge, Cathy Taylor & David Williams DEPI, Victoriagrowing.australianalmonds.com.au/wp-content/uploads/sites/17/2014/... · Managing carob moth in almonds David Madge, Cathy

Managing carob moth in almondsDavid Madge, Cathy Taylor & David WilliamsDEPI, Victoria

Only on mummies until hull split in new crop, then infests new crop

Carob moth: Ectomyelois ceratoniae (PYRALIDAE)

Trapping programMating disruptionRole of mummiesDegree day modelLab cultureOviposition timingEgg trapsFact sheets

Managing carob moth in almonds

Trapping program

• infestation levels generally maintained

Trapping program

• some very heavy infestations

Mating disruption

• reasonable trap shutdown

Mating disruption

• no statistical difference

Mating disruption

• high spatial variability in mummy populations

The role of nut mummies

Mating disruption

• high mummy populations• mummy infestation avg=39%, max=56%

Degree-day model

Lab culture

Oviposition timing

• all cages infested!

Egg traps

• field testing from spring 2014

Fact sheets

• A fact sheet on monitoring carob moth has been finalised and provided to ABA for formatting.

• A second sheet of more general information on this pest will be submitted shortly.

Acknowledgements

– Horticulture Australia LimitedThis project has been funded by HAL usingthe Almond industry levy and matched fundsfrom the Australian Government.

– DEPI Victoria– Almond Board of Australia– Ben Brown & Brett Rosenzweig (ABA)– Almond growers in S.A., VIC. & N.S.W.– Tim Hammond (DuPont)– Bob Emmett & Chin Gouk (DEPI)