Quote Originally Posted by rfeiller
Now how do you get the larva to go down this slip-n-slide?
When they reach pre-pupal stage (dark brown) their instinct is to crawl upwards. They just naturally crawl up the ramps, are funneled into a drop tube and harvest themselves. Here's a pic of some larvae doing just that in this bin...



I also have a video showing the immature larvae in a smaller bin. You can see how easy it is to scoop them up to feed to the tilapia! These were swarming on the surface because they were heat stressed, but laying a piece of bread on the surface will have them swarming inches deep just beneath the slice in like ten minutes. I just grab 'em to feed by hand and throw them in a bucket!

http://www.youtube.com/watch?v=A6lLnzqt8wk