In recent weeks I have had troubles with my ponds here in Townsville (yet not at my parents a couple hours north), for some reason they are all of a sudden turning basic (as opposed to acidic), but I have now fixed this, the new issue is that over half of my plants (several kilos of U.gibba, aurea and stellaris) are being eaten by moth larvae.
I have found and killed many of the larger larvae, some up to 3cm long and 1cm wide, they are destroying the ponds and I want to know if anyone knows how to be rid of them, perhaps a poison that won't kill off the plants or their prey (daphnia, but am obviously willing to lose the daphnia if necessary).
It is so extreme that I had a 1.8m long by 5cm wide stellaris plant entirely vanish overnight, I have spares of most at my parents, but obviously I would like to save these ones.
I have found and killed many of the larger larvae, some up to 3cm long and 1cm wide, they are destroying the ponds and I want to know if anyone knows how to be rid of them, perhaps a poison that won't kill off the plants or their prey (daphnia, but am obviously willing to lose the daphnia if necessary).
It is so extreme that I had a 1.8m long by 5cm wide stellaris plant entirely vanish overnight, I have spares of most at my parents, but obviously I would like to save these ones.