Micheli, Charyn JulianaA faunistic study of the longhorned woodboring beetles of the West Indies is presented. Museum specimens and material from recent collecting expeditions have yielded various new species, new records, and a number of taxonomic questions needing investigation. A revision of the acanthocinine genus <em>Styloleptus</em> Dillon is presented. Thirteen new species are described: <em>Styloleptus anegada</em> Micheli, <em>S. duartensis</em> Micheli, <em>Antilleptostylus guilartensis</em> Micheli & Micheli, <em>Leptostylopsis guanica</em> Micheli & Micheli, <em>Leptostylopsis yukiyu</em> Micheli & Micheli, <em>Leptostylopsis monin</em> Micheli & Micheli, <em>Urgleptes borikensis</em> Micheli & Micheli, <em>Plectromerus lingafelteri</em> Micheli & Nearns, <em>Plectromerus ramosi</em> Micheli & Nearns, <em>Elateropsis julio</em> Lingafelter & Micheli, <em>Pseudothonalmus woodleyi</em> Lingafelter, Micheli, & Guerrero, <em>Styloleptus taino</em> Lingafelter & Micheli, and <em>Distenia puertoricensis</em> Lingafelter & Micheli. The larva of <em>Parandra tavakiliani</em> is described. Fourteen new synonymies and six new combinations are included.en-USThesisBiology, EntomologyBiology, EntomologyColeopteraCerambycidaeWest IndiesCaribbeanlonghorned beetles