Adult dragonflies will eat any insect as long as they are able to catch it. While they usually eat mosquitoes and midges, they also eat butterflies, moths, beetles, bees, flies, and even other dragonflies. The general rule is that larger dragonflies will eat insects of body weight daily.
Origin of the name Viola: Derived from the Latin viola (a violet). The name has been in use since the Middle Ages but did not become common until the middle of the 19th century when the use of flower names came into vogue. From A World of Baby Names by Teresa Norman.
Silvia is an Italian female given name of Latin origin, with English-language cognate Sylvia.The name originates from the Latin word for forest Silva and its meaning is spirit of the wood. The mythological god of the forest was associated with the figure of Silvanus.n Roman mythology, Silvia is the goddess of the forest while Rea Silvia was the mother of Romulus and Remus.