Bugs on Voodoo Lily

[DirtMechanic]

What are these please?

 

[YumYum]

Are they the red-lined carrion beetle?

 

[DirtMechanic]

Are they the red-lined carrion beetle?

I had to edit my post because I think you found it! I was keyed to the first image in your link and did not scroll down at first! I found a "garden carrion beetle ....

http://bugeric.blogspot.com/2017/01/a-carrion-beetle-that-isnt.html?m=1

...but those red marks were on at least one in the picture and your suggestion seems an even better fit!