Anatomy
As might be expected for such a large family, there is considerable variation among the species. Sizes range from 1 to 35 mm (1.5 inches), with most in the 2–8 mm range, and the form is generally elongate, with some rove beetles being ovoid in shape. Colors range from yellow to reddish-brown to brown to black. The antennae are usually 11 segmented and filiform, with moderate clubbing in some genera. The abdomen may be very long and flexible, and some types of rove beetles superficially resemble earwigs.
Some members of Paederina, a subtribe of Paederinae, contain a potent vesicant in their haemolymph which can produce a skin irritation called Paederus dermatitis. The irritant pederin is highly toxic, more potent than cobra venom.
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Ocypus sp.
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Tachyporus obtusus
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Ocypus olens
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Paederus littoralis
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Cordalia tsavoana
Read more about this topic: Rove Beetle
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