Would change "bug" to insect. Also, what other kinds of beetle are there but tiny? Don't mean to be a smart ass; perhaps another adjective would be more effective.
ei8ht
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Sure, if it was bigger than tiny, yeah, I woulda called it an insect... and then freaked-out and flung it out toward the surf, screamin' like a little girl. 
And the poem would have never gotten written.
And bug sounds less "loaded" to me - less clinical, more familiar...
like bunny vs. rabbit, or kid vs. child
Therefore the attitude is more "playful"? You're lucky it ended up as it did - first draft had it as widdle-buggy-wug.
ei8ht
Writch © 6/6/2002
I roll onto my stomach
The sun warms my back and legs
the ocean washes up, hisses
eighteen feet from my ears
A cloud passes over, shades
drying the film of sweat from shaded sun
with a cool breeze blowing softly
eight knots over my back
And when my skin starts to rise
at the breeze slowly chilling
the sun peeks out, soothes again
eighty degrees on my skin
A bug, a tiny beetle lands
blown in from the breeze
tangles into the hair of my forearm
eight inches from my face
Suspended, supported by my hair
lying motionless on its back
Is it too tired? Or basking too?
eight inches from my nose
Caressed by the sunlight
black shell with bright white dots
reflects the sun, stillness reflects tranquility
eight inches from my eyes
Another cloud, another cool breeze
stirs him from its nap, taking leave
drunk from the sun, struggling
eight inches along my arm
I close my eyes, drunk from the sun
struggle onto my back, to bask
entangled in tranquility, I snatch
eight minutes from eternity