why is that?
yep maybe it’s because too many people are squashing catapillars
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Loss of habitat for laying their eggs, insufficient food sources, pesticides, people who kill all bugs, good or not are all reasons for the decline.
We see more butterflies than most people do because we have a large yard, planted lots of plants they like, provide habitat, water is available in shallow saucers and we do as much organic as possible. IF we do use a chemical pesticide, it’s as little as possible to get the desired result.