Seen a lot of ladybugs lately
I've gotten a bunch of emails concerning an outbreak of ladybugs across the state. With thanks to the Connecticut Agricultural Experiment Station, here's what's happening.

First, they're lady beetles. Got it.
These are actually Multicolored Asian Lady Beetles. They're hunters. The good news for us is they feed on smaller insects we don't want around. They will cause neither you nor your home any harm so let them be (if you can).
These lady beetles can deal with cold and wet, just not together. The weekend weather was their trigger to migrate to shelter--often hollow trees, sometimes in buildings, especially lighter colored buildings.
They'll hide for a while only to reappear in the spring when they're really needed.
By the way, each of these lady beetles is unique, like a fingerprint. No two are spotted quite alike.
84 comments
Thanks for the brief explanation of why there are so many lady beetles around. There are literally hundreds outside my office and yes, we are in a light colored building! Our question - how long will they be swarming our doors! LOL
Thanks for all you do,
Bev Matias
I will not let anyone kill a ladybug on my house; they get taken outside :)
I wouldn't mind a few in my apartment.
I tried building fancy traps and the sticky paper (which they don't stick to very well) - The only thing that worked was to vacuum them up, and bring them outside ASAP - they WILL crawl out of the vacuum.
Wolcott had quite alot of these little buggers there were hundreds hanging out on our shed
There must be something that kills these pests.
I know they eat small bugs, but hundreds of ladybugs flying around is annoying, and by the way my house is dark shade of blue.
We found our Black Walnut tree is where they begin their lives. it was about a month ago in September that we first noticed the cocoon that they were coming from. There were hundreds on that tree. Thanks for the comments everyone.
you teased on broadcast that you would explain these swarms of ladybugs, but you have only provided the"what" not the "why". Winter migration & shelter seeking does not suffice to explain these huge #'s and why they are flying north (won't they fly south in winter, like monarch butterflies?)I have observed a few dozen every winter inside, but we are talking hundreds & hundreds this year!
gimme a break for pete's sake
Why are there so many of these critters at this time of year? They come in mass each year at about this time.
As they are red/orange, are they a sign from nature indicating that the Great Pumpkin is about to arrive?
I've lived in Connecticut most of my life. I grew up here and I don't recall these twice-yearly (April and October) ladybug invasions when I was a kid. This has been happening just within the past 10-15 years or so.
The one thing I look for with ladybugs is coming across what I call a "sports" model -- one that has a black shell with red spots instead of the usual red shell with black spots. It's kind of like finding a four-leaf clover. You don't find one very often.
Kathy Radin
the vacuum cleaner sounds like a good way to take them back outside where they belong. I take the dead squirrel with a grain of salt.
In any case, they do less damage than the insects they eat, all of which can mess up your garden (eating all your blossoms....)
And I doubt the population explosion ends at the border....
Any way I look forward to this time of year just to see them all.
~Peace Glenna~
I'd like to know why I have yet to see one of these nuisance pests during the growing season when my gardens are in full swing and I'm defending from other pests that are supposed to be their food source.
As far as I'm concerned, this was a hair brained idea that went afoul by some nitwit in the agricultural field and that person should be kicked in a sensitive place other than shins but I'll settle for shins.
I did some research on ridding your home of lady bugs. Yes vacuuming and bringing them outside works but they just kept coming in through one particular window frame. I read they don't like the smell of mint and a suggestion to run a humidifier or vaporizor with some Vicks in it. I did it for a day and the lady bugs or Asian beetles have left the premises and I haven't found any lying dead around the house. Another suggestion was Mulberry candles supposedly they don't like the smell but I couldn't locate any.
The short version -- be nice and be respectful of other's opinions, even if they don't agree with yours, or your comment may be deleted.
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