Narthecius is a genus of beetles in the family Laemophloeidae, containing the following species:Laemophloeidae Species List at Joel Hallan’s Biology Catalog. Texas A&M University. Retrieved on 15 May 2012.

Narthecius crassiceps Sharp Narthecius grandiceps LeConte Narthecius haroldi Reitter Narthecius longicollis (Sharp) Narthecius monticola Fall Narthecius schedli Lefkovitch Narthecius simulator Casey Narthecius striaticeps Fall Narthecius suturalis Grouvelle

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