Beetles don't have blood like, for instance, mammals. Instead, they have a fluid called hemolymph. Beetle hemolymph can vary according the the type of beetle, from pale yellow through to deep red.
Brown
yellow
brown
The death watch beetle, Xestobium rufovillosum is a bronze, brown color.
hmm maybe BLACK?!?!
Really dark reddish brown.
No. It's just the natural color of a apple.
By the color. After the ladybug transforms to the beetle it a yellow color. as it ages the colors become orange to red. The darker the red the older the beetle.
A black beetle with a red head has a distinctive color contrast that sets it apart from other beetles.
A black beetle fits this description.
There are two colours for a mealworm beetle.For the male it is black in colour while the female beetle is shiny red-brown. By Chok Wai Zhen
A white beetle with black spots can be distinguished from other beetle species by its color pattern, which is not commonly found in other beetles. This unique characteristic sets it apart and makes it easily recognizable.