I found this specimen (that sounds so impersonal) munching his way across the top edge of a prickle pear paddle (cladodes). On editing and processing, it appeared there was another larger bug creeping up from the rear.  It is however just the smaller hair like prickles (glochids) growing from small button like appendages.

What lies behind you and what lies in front of you, pales in comparison to what lies inside of you.
Ralph Waldo Emerson

What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.
Henry David Thoreau

Two great wordsmiths with almost the same thoughts.

So watch out behind you and beside you ††† en theos †††