Spined Assassin Bug  (four photos)
Sinea diadema

spined assassin
Spined Assassin hunting on Rocky Mountain Bee Plant
on Antelope Island, Davis County, UT.  Carol Davis 9-4-2018

spined assassin with fly
Ahhh, this is what we love to see--predators at their best--knocking
off flying insects. This one on Antelope Island was very camera shy and
kept sneaking to the back side of the stem trying to escape from me.
  It never dropped its prey, though.  The abdomen is very pretty.  I
think it resembles wood paneling.
  Hmmmm, wood paneling that
 catches insects--patent pending!  Carol Davis, 9-26-2010

spined assassin bug
Antelope Island predator. 
This view shows why it's called
a Spined Assassin. Carol Davis, 9-13-2009

Sinea diadema
This is a new one for me.  Found it on a sunflower plant on
Antelope Island. It has quite the spines around the head,
 thorax and front legs.  Carol Davis, 9-13-2009

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