Elmomorphus horaki is a species of beetle of the Dryopidae family. This species is found in Cambodia, Myanmar, Thailand and Vietnam.
Adults reach a length of 2.21âÂÂ2.67 mm (males) and 2.21âÂÂ2.89 mm (females). Their body is elongate oval and black, except for the mouthparts, antennae, tarsi and trochanters which are reddish-brown. The remaining parts of the legs are brown.
The species is named for Jan Horák, a Czech entomologist who provided interesting material from Thailand.