Bugs!

 "Candy Striped Leafhopper" Graphocephala coccinea

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hemiptera
Family: Cicadellidae
Genus: Graphocephala
Species: coccinea

These little bugs, though colorful, are carriers of certain bacterias known to cause leaf scorch, a potentially harmful infection to many varieties of woody plants and ornamental trees.