This is a white-faced dragonfly (Anisoptera) facing the camera while resting on a plant leave.
A male and female Green Darner Dragonfly (Anax junius) on a newly opening Amazon Giant Waterlily (Victoria amazonica). The male is holding a female between her eyes and pronotum, while she deposits her eggs in the water. Their reflection is seen in the water. The green darner is also known as; common green darner, snake doctor, darning needle, or simply dragonfly.
This is a Red-Footed Cannibalfly (Promachus rufipes), eating a Common Green Bottle Fly (Lucilia sericata). They feed on bees, wasps, dragonflies, spiders, beetles, grasshoppers, and other flies. They have a venomous saliva that allow it to easily subdue prey that may be larger than itself. The saliva contains chemicals that dissolves the inside of a victim, in preparation for them to be sucked out. They are also known as; Robberfly, Robber Fly, Assassin Fly, or Bee Panther.