Elmomorphus catenatus is a species of beetle of the family Dryopidae. This species is found in China (Shaanxi).
Adults reach a length of 4.06âÂÂ4.34 mm (males) and 4.46 mm (females). Their body is oblong-ovate, moderately convex dorsally and integument black, while the mouthparts, antennae, and tarsi are reddish brown.
The species name is a Latin word (meaning chained) and refers to the chain-like rows of coarse large elytral punctures.