A checklist of long horn beetles (Coleoptera: Cerambycidae) within the geographical area of Lumami under Zunheboto District, Nagaland is provided. As per the current checklist prepared there are 36 long horn beetle species classified under 31 genera, 18 tribes and 3 sub-families (Prioninae, Cerambycinae and Lamiinae); of which 23 species are new records for the state of Nagaland. For each species, accepted nomenclature followed by all relevant works reporting systematic classification and distribution within and outside India is provided. The checklist is based on specialized literature sources, collections and faunistic researches made by the authors.