Neosigara akanthinomeros sp. n. from Cundinamarca province in Colombia is described, a key to males of all six species of the genus Neosigara diagnoses of adults and notes on the ecology, eggs and fifth instar larvae of the five Colombian species of the genus and Orocorixa makrocheira Nieser and Padilla, which is often found together with Neosigara spp., are presented.
