It could be a wasp or beetle. Both can be black with just one stripe. They typically do not sting, unless provoked.
ichneumon wasp
The larder beetle is a hard shelled bug with a yellow strip around its middle. They usually have a black body and are about three-eighth of an inch long.
TIGER EYE IS YELLOW WITH A LIGHT STRIPE IN THE MIDDLE. it is used for healing purposes.
White with a yellow, human faced sun centered on it.
Three horizontal stripes, top stripe is red, middle stripe is White and bottom stripe is blue. In the middle of the flag is the coat of arms.
The national flag of Cameroon is a horizontal green stripe on the left, followed by a red stripe and then a yellow stripe. In the center of the red stripe is a yellow star.
Ghana's flag is a horizontal tricolor of red, yellow and green with a black five-pointed star in the center of the middle yellow stripe
there is a yellow symbol, two red stripes on each side, and a blue stripe down the middle.
A brown spider with a yellow stripe on its head is a wolf spider. The wolf spider may sometimes have an orange stripe on their head also.
The flag of Spain consists of three horizontal stripes, red on top and bottom, with the yellow middle stripe being twice as wide as the red stripes. The naval ensign of 1785 is displayed on the middle stripe, just left of center.
Yellow
The flag of the Republic of Lebanon fits that description. The Lebsnese flag had two red horizontal stipes on the top and bottom, with a white horizontal stripe between them. The Cedar tree is in the middle of the white stripe.
he wears a blue top with a yellow stripe going through the middle. he also wears blues jeans with green or White trainers.