Dragon fruit pests and fruit drop

[Vernmented]

Hi guys. I have tons of flowers from different types of dragon fruit. Nothing has set yet and I am finding these worms in many of my spent flowers and dying fruit. Does anyone know what these are? I have done a bit of research and nothing comes up. I am hoping it is just from the rains recently but I don't think it is. I had a couple fruit set last year without hand pollinating but the vines were pretty young. This year I have tons of flowers but major bug issues. HELP! If you click on the pic it will play the video. You can see the little white larvae with red heads.
IMG_1368.MOV by Joshua Starry, on Flickr

[pineislander]

I had the same problem last season. Has anyone else found this continuing, or a solution?

[FamilyJ]

those didnt get pollinated either by cross so they smell made the maggots come so that is where it comes, the flower turns yellow about a week after it blooms,