Elmomorphus longitarsis is a species of beetle of the family Dryopidae. This species is found in Thailand.
Description Adults reach a length of 2.93–3.09 mm (males) and 3.15–3.32 mm (females). Their body is oblong oval and integument black, while the mouthparts, antennae and tarsi are reddish-brown.
Etymology The species name is Latin and refers to the long tarsi.Taxonomic revision of the genus Elmomorphus Sharp, 1888.II. Redescription of the genus and review of the species from India, Nepal, Bhutan, Myanmar, China, Thailand, Laos, Cambodia, and Vietnam (Coleoptera: Dryopidae)
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