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Photo#197382
My favorite little diving beetle - Thermonectus marmoratus

My favorite little diving beetle - Thermonectus marmoratus
Santa Catalina Mountains, Pima County, Arizona, USA
June 26, 2008
Size: ~1.5cm
This is my favorite Dytiscid species. They're minuscule compared to the Dytiscus verticalis I catch in New York, but they certainly make up for it in their beauty. I didn't find too many adults here in the Santa Catalinas, but I'm pretty sure I saw a number of older larvae swimming around.