Euthyrhynchus floridanus  
The Euthyrhynchus floridanus beetle, also known as the Florida predatory stink bug, is one BIG bug. I was enjoying my pond apple caterpillars when this beetle flew in seeking prey. I ducked.
The beetle kept scooting to the opposite side of the branch to avoid me, so I didn't get usable pictures until it got food. Once it had its proboscis deep in a caterpillar, it was much easier to photograph, although it did keep backing away, dragging the caterpillar along with it, until finally it got stuck with the caterpillar hanging on the opposite side of a V in the branches:
Florida predatory stink bug, Euthyrhynchus floridanus beetle, eating its prey
The beetle's proboscis appears jointed, with each segment smaller as it nears the tip. I'd like to catch one to see if it folds up underneath, as opposed to rolling up like those of butterflies and moths do. Despite numerous trips back out to the pond apple tree, I haven't seen the beetle there again, which surprised me, since there are still caterpillars on it.
Side view of a Florida predatory stink bug, Euthyrhynchus floridanus beetle, eating its prey
Florida predatory stink bug, Euthyrhynchus floridanus beetle, preying on a caterpillar
Underside view of a Euthyrhynchus floridanus beetle, Florida predatory stink bug
Euthyrhynchus floridanus beetle, Florida predatory stink bug beetle eating a citrus fruit-piercer, gonodonta
		nutrix, moth caterpillar on a pond apple tree leaf next to my thumb
The unfortunate caterpillar that this Florida predatory stink bug is eating is a gonodonta nutrix, or citrus fruit-piercer moth caterpillar. See the chewed leaf edge that the caterpillar was eating?
Now I've found another Euthryhynchus floridanus stinkbug snacking on a bug. This time the stinkbug was eating a green planthopper.
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