How did the Japanese beetle get to southern Missouri?

Question

How did the Japanese beetle get to southern Missouri?

Answer 1

Japanese beetles were first found in the US in 1916 in Riverton, N.J. They have been slowly spreading across the country ever since. They are encouraged by our modern practice of growing mowed grass lawns, as this provides an ideal place for the grubs to grow. Adult Japanese beetles eat over 400 plant varieties and are now a major pest.

Answer 2

Importing plants to the U.S. from Japan. this is exactly why quarentine, for plants inbound from other countries is so important to the U.S.