LADYBUGS: THE LADIES OF THE GARDEN!
In another case in the 1800s, the orange and lemon farmers in California began having problems with insects destroying whole groves of orange and lemon trees. The insects were Australian scale insects, so the farmers imported Australian ladybugs and released them into orchards. Within two years the orchards were free of the scale bugs and the entire California orange and lemon industry was saved by ladybugs.
http://www.bonnersferryherald.com/article/20170608/ARTICLE/170609952
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