Asian Lady Beetles
They look like ladybugs, but they invade buildings by the hundreds in October and stain where they land.
Where they thrive
Tall, sunny, light-colored walls in fall, then attics, window frames and ceiling voids.
How they behave
Look like ladybugs but carry an M mark behind the head, can nip, and leave a smelly yellow stain.
In New York City
Mass invasions on warm October afternoons, especially on buildings near parks.
Did you know?
They were released in the US on purpose to eat aphids on crops.
Related pests
Yellow Jackets and Wasps
Late summer's uninvited guests at outdoor dining, trash corrals and anywhere sugar sits out.
Read more →Carpenter Ants
The biggest ants in New York, carving tunnels through damp wood in brownstones and older buildings.
Read more →Stink Bugs
An East Asian invader that gathers on sunny walls each fall and slips inside to spend the winter.
Read more →Think you have Asian Lady Beetles?
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