![]() Be prepared for the invasionīecause they only work at night and bury themselves under the grass during the day, most often the damage is done before you realise they’re there. This means there can up to three generations of army worm infestations during summer and early autumn. And there’ll be more than just one moth building a nursery in the soil of your lawn.Īfter about a week, the larvae ( caterpillars) emerge with the sole objective being to eat as much green grass as is possible within the next 20 to 35 days before they move onto their pupae stage, then emerge as moths about two weeks later for the next life cycle to begin. That’s about 1000 eggs, from just one moth. They’re not really worms but are the caterpillars of the moth Spodoptera Mauritia, a prolific breeder than can produce 200 to 300 eggs in a single laying, then do the same thing the following night, and again the night after that. ![]() Summer is boom time for army worms, considered one of the major international agricultural pests on crops and pastures. ![]()
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