Can anyone identify this weird stuff on my lily leaves?

[lamby]

Hi there. Today, I noticed that I have pests in my ponds attacking my lilies. I have black aphids and also tiny snails but there is something else. Please take a look at the attached photo and let me know what this is and what I can do to get rid of it. Today, I went around all the leaves (exhaustive work!) and squished all the snails and aphids by hand. I was able to carefully scrape off the stuff in the photo, but what is it? Also, is there anything else that I should be doing to keep these pests away?

 

[addy1]

Never seen eggs like that.
I don't worry about pests on the leaves, they seem to go after the ones that are on their way out.

 

[Meyer Jordan]

Also, is there anything else that I should be doing to keep these pests away?

Don't know what deposited those eggs. They resemble Water Strider eggs only those are laid end-to--end not side-by-side.

You are doing about all that can be done. Unfortunately, a safe and effective pesticide for use around aquatics has yet to be developed.

 

[Lisak1]

I have no idea what that is, but I have to say I admire the neat job of lining those eggs up!

 

[Dave 54]

@HARO heres one for you my Canadian friend what eggs are these.
My guess would be some form of snail eggs , what do you recon John ?

Dave

 

[HARO]

I've never seen anything like it!
John