Turning Archive 2007

Re: OT We've been invaded by

JohnKJordan in East TN
>>...probably were introduced to this country in
>pallet wood or something like that.

Some web sites say they were not released on purpose, like some other invasive pests. I found this note from a Canadian source:

"The multicolored Asian lady beetle is a native of eastern Asia. These insects were released in California by the U.S. Department of Agriculture in 1916 and in 1964 -1965 for biological control of pecan aphids. They were also released in the late 1970's and early 1980's in Connecticut, Delaware, Georgia, Louisiana, Maine, Maryland, Mississippi, Ohio, Pennsylvania, and Washington. However, the lady beetles did not appear to become established from these releases.

In 1988 a population of multicolored Asian beetles was found in Louisiana, apparently the result of an accidental introduction from a freighter in New Orleans. These lady beetles spread quickly throughout the southern and eastern United States. No one knows whether their presence today is due to deliberate releases, accidental introductions, or both. "


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