Aquatic Beetle ID

BobBarley

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Sep 16, 2015
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IMG_2216.JPG IMG_2215.JPG IMG_2214.JPG IMG_2212.JPG
Anyone got an ID for this beetle? Found in California, in the Central Valley. It was attracted to a blacklight. It frequently rests in the positions shown in pics 2 & 3. Very quick swimmer. About 1 centimeter in body-length
 

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BobBarley

Arachnoprince
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Sep 16, 2015
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Yeah, before you posted I looked into it further... it's Thermonectus intermedius. Apparently the only species in Cali without yellow spots on it. Thanks a bunch!
 

spotropaicsav

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