Eliminate Dragonflies In Pond
#1 Guest_uniseine_*
Posted 21 November 2007 - 09:10 AM
I would like to put one animal into my pond early in the spring so this animal can eat all the dragonfly nymphs. Then I could remove this animal and add Red Cherry Shrimp to eat the newly hatched aquatic insects.
Is there a northern crayfish that becomes active early in the spring that will do the job?
Any other suggestions?
H2O2 blast instead?
My pond is surrounded by native Big Bluestem prairie grass so a net cover would not work.
#2 Guest_butch_*
Posted 21 November 2007 - 09:38 AM
#3 Guest_uniseine_*
Posted 29 November 2007 - 12:17 PM
I will think more about a fish doing the job.
I tried a web search for fish that eat dragonflies; this is hard because 'diet' and 'predator' can mean eat or being eaten.
I may look for a dragonfly forum.
#4 Guest_viridari_*
Posted 29 November 2007 - 12:36 PM
Maybe put up a bunch of bird houses surrounding the pond, too.
#5 Guest_puchisapo_*
Posted 29 November 2007 - 02:00 PM
if you can somehow manage it, a fine mesh cover would be best deterrent. even then, i seem to remember that some species broadcast eggs on the wing, in which case the eggs would just drop right through the mesh and into the water.
how about separating the pond itself with a mesh barrier that is too fine for fry to cross, then adding a predator to one side? small nymphs might cross and be eaten by the predator, while fry wil be protected.
#6 Guest_Irate Mormon_*
Posted 29 November 2007 - 07:39 PM
there are enough species of dragonflies with varied enough phenology that you can expect them to keep finding your pond through the duration of the growing season and laying eggs.
if you can somehow manage it, a fine mesh cover would be best deterrent. even then, i seem to remember that some species broadcast eggs on the wing, in which case the eggs would just drop right through the mesh and into the water.
how about separating the pond itself with a mesh barrier that is too fine for fry to cross, then adding a predator to one side? small nymphs might cross and be eaten by the predator, while fry wil be protected.
Now, THAT's a good first post.
As opposed to, "Gimme D Fish"
#7 Guest_catfish_hunter_*
Posted 29 November 2007 - 11:42 PM
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