Technique: I used a syringe with a .8mm diameter needle to inject 2:1 sugar syrup into a Basil flower. You can get bigger needles, but .8mm is a good compromise between being small enough to get into most flowers and yet big enough for thick liquids. Ignore the shutter -the flash is the only significant light source on the subject. I dragged the shutter to get more detail in the background. I used the EF-S 60mm and tubes to reduce the weight of the rig -easier to control the camera when shooting free hand. At most all I had was my knee to brace the camera. Even though the bait slowed them down they were still in motion, trying to avoid me. So if you use this technique expect to delete a lot of frames. I'm very comfortable with the delete key on my keyboard.
Tech Specs: Canon 70D + a Canon EF-S 60mm macro lens with 37mm of extension (max 2x) + a diffused MT-24EX. These are single, uncropped, frames taken hand held.
This last one got a lot of attention on Flickr: 66,405 views and 949 faves. [IMAGE'S LINK: https://flic.kr/p/waxJPY]Wool Carder Bee in Basil I by John Kimbler, on Flickr