The Cicada Wasp has a black body with blue wings. This wasp also features red and yellow stripes near its stinger.
Garder-snake; multi color green, yellow and black stripes length of body.
Most catilppilars are green with black stripes but you may be looking at a Crossstriped Cabbageworm.
black swallowtail
The spider with two black stripes on its body is commonly known as the zebra spider.
zebra fish
Eastern Lubber Grasshopper.
Black wido
If the stripes are light in color, maybe even off white it could be a CA king snake.
Ariel
The insect with black and orange stripes is commonly known as a wasp.
Eastern smooth green snake
The Flea Beetle has an outer shell of yellow-white with three black stripes. It is usually found in western North America and tend to hide in the soil.