Serving Southern Jefferson County in the Great State of Montana

Learn About Whitehall Bio Control: 7/12/2023

We were not able to fill all our requests for Dalmatian toadflax insects. The adult weevils are now about finished laying eggs and are dying of insect old age. Part of the reason was the wet, cool weather. Another major factor was the damage the stem-boring weevil Mecinus janthiniformis has been doing to our collection sites! They are really hammering the toadflax along the I-90 corridor from Missoula east past Clinton and along the I-15 corridor from Helena south to Boulder. It is very gratifying to see but makes it hard for us to collect because there are fewer, sicker toadflax plants thus f...

 

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