This resembles damage i've seen caused by foliar thrips on my Phragmipedium seedlings. But the cultprits were readily visible on my plants, whereas I see no signs of them on your plants. I'm guessing you have something else. :-/ Dennis in Cincinnati On Mon, Nov 25, 2013 at 2:27 PM, Rimmer <oldtulips@gmail.com> wrote: > Hi > > These seedlings were grown from BX335 seed and seem to be doing very > well, except i noticed some leaf blotches. > a close up inspection reveals something has been eating the underside of > the leaves - but no critters present. > > Can anyone offer some ideas or remedies? is this serious or thrips or ? > > Photos at > > http://pacificbulbsociety.org/pbswiki/index.php/… > > Thank you > > Rimmer > SE Michigan > Zone 5 > we just had 3 days well below freezing -7C/15F > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ >