If you look at any Lady's Smock atm, you are almost bound to find OT larvae. Look for characteristic feeding damage in the sepals covering the base of the flower buds. I found a cat yesterday on the second plant I looked at - only 2mm long, however, so you (or certainly, I ) need good specs
![Mr. Green :mrgreen:](./images/smilies/icon_mrgreen.gif)
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Tony M.