Campsosternus rutilans is a species of click beetle that belongs to the family Elateridae. It is endemic to the Philippines.
Taxonomy Campsosternus rutilans was first described by the French entomologist Louis Alexandre Auguste Chevrolat in 1841 from a specimen collected from Manila.
Etymology The specific name rutilans is Latin for "glowing or glittering with a reddish-golden light."
Description It is a large beetle, with a length of , and a width of .
This species has iridescent metallic coloration. It is polymorphic and can vary greatly in coloration, ranging from a metallic green, to dark bronze, to a bright coppery-gold. Its thorax is slightly sinuous in outline with a prominent rim. The upper surface of the thorax is obliquely depressed on the posterior corners. The tiny scutellum is transversely rounded and elevated. The posterior ends of the elytra end in sharp but obtuse tips.
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