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Q: Ladybugs?

September 27, 2011 | By Ches21 | 2 answers | Expired: 1071 days ago

Ches21

I love ladybugs and I have noticed that there are tons of them around this year I didn't see any at all last year and all of a sudden there are tons of them around here can you explain this?

Readers' Answers (2)
Kelly
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Sep 27, 2011

If you've had a wet spring and summer that could account for the increase in numbers. All the moisture increases the aphid population and ladybugs love aphids. With a plentiful food supply, the ladybug population will thrive. Where we usually have lots of ladybugs because we typically live in a humid area, we have none because we're in an extreme drought right now...no aphids to contend with this year, but no ladybugs either. :-(

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Jillian
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Sep 27, 2011

You'll notice this with many species. Climate and precipitation will have an affect on the increase or decrease of many types of insects. Some it's due to inhabitable conditions, others b/c their food source didn't have the right conditions to thrive. There's also constant evolution to contend with. Evolution isn't just personal development to survive in an ever changing environment {like survival of the fittest}, it's also seen in breeding patterns. If there's a lot of food to go around, there will be a lot more breeding. When the food source gets a little stretched, they won't reproduce as heavily. Along with that, different species have already developed breeding patterns that seem atypical. Like the 13 or 17 year cicadas who found an evolutionary gap that allows them to flourish by reproducing on such an odd number so their predators can't anticipate their life cycle. Other insects do this similarly in much shorter patterns.

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