brownish back with white under body and black fin tips
After a research Arge ochropa is a wasp found to have an orange back and black body. However; orange and black honey bees are also seen.
The Australian Braconid Wasp has an orange head with black eyes, a black body and abdomen with white bands on the back of the abdomen.
It could be a sirex wood wasp the female has a black body with orange legs, males the same but with orange band on the body.
It was probably just a red back spider which you probably just hallucinated. ( Thought it was orange. )
A boxelder bug
beetle is the insect that has orange body with a black head and brown wings
it is named a red back spider
It is called a boxelder bug.
It is brownish black pigment in skin , hair and eyes .It colors body parts .
a very cute spider