Placosternus difficilis är en skalbaggsart som först beskrevs av Louis Alexandre Auguste Chevrolat 1862. Placosternus difficilis ingår i släktet Placosternus och familjen långhorningar.
Artens utbredningsområde är: Bahamas. Kuba. Honduras.
Inga underarter finns listade i Catalogue of Life.
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Kategori:Långhorningar difficilis