Black Widow
The belt color levels for Karate are from lowest to higher is; White, Yellow, Orange With Green Stripe, Orange With White Stripe, Orange With Red Stripe, Blue With Green Stripe, Blue With White Stripe, Blue With Red Stripe, Blue, Purple With Green Stripe, Purple With White Stripe, Purple With Red, Purple belt and more.
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.
i think a black widow
The zebra spider has a stripe on its back.
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 spider you are describing is likely the black widow spider. Black widows are known for their shiny black bodies with a distinctive red hourglass shape on their underside. They can be found in Arizona and are known for their venomous bite.
Green with a red stripe.
Well, in Kung Fu, there are sashes not belts. They can be in different order depending on the school but it is usually: White White w/ Stripe Yellow Yellow w/ Stripe Orange Orange w/ Stripe Green Green w/ Stripe Purple Purple w/ Stripe Blue Blue w/ Stripe Brown Brown w/ Stripe Red Red w/ Stripe Black Sash - very high skill level
Ivory Coast... Algeria... Italy... Bulgaria... Madagascar... Hungary... Iran... Kuwait... Oman... Mexico all have those colors.
Spiders with brown stripe legs and a green body could potentially be orb-weaver spiders like Araneus gemmoides, which has a greenish abdomen and brown-striped legs. Another possibility is a green lynx spider (Peucetia viridans) which has green coloration and may have some brown on the legs. However, additional information or a photo would be helpful for a more precise identification.
Green Stripe was created in 1905.