Insects! This carpenter bee lands on the outside of the bloom and climbs up to the end of the bloom and chews a hole at the stem end of the flower to access the nectar. Carpenter Bee (genus Xylocopa) The American Snout Fly (Rhingia nasica) on Yellow Jewelweed (Impatiens pallida) taken in the lower garden. The larvae of this syrphid fly feed on the dung of large herbivores. The adults feed on nectar and pollen. American Snout Fly (Rhingia nasica) Eastern Yellowjacket (Vespula maculifrons) on Scrophularia species Hare figwort Eastern Yellowjacket (Vespula maculifrons) The Robber Fly hangs around by its front legs waiting for bees, dragonflies, or wasps to grab. It uses its piercing mouthparts to inject digestive juices and then sucks out its meal. Having predators like this is a good indicator of an abundance of prey. Robber Fly (Diogmites species) Click on the picture so see a larger view