Redescription of the holotype of Bostrichoclerus bicornus Van Dyke, 1938, a rare species of the New World Tillinae Fauna (Coleoptera: Cleridae), with some taxonomic notes.

Bostrichoclerus bicornus Van Dyke is known from southwest United States and northwest Mexico. To date, only two specimens have been captured: the holotype, collected on Isla Angel de la Guarda, in the Gulf of California, Mexico, and a second individual collected in San Bernardino County, California, United States. The original description of B.

Five new species of Gray, 1832 (Coleoptera: Cleridae: Tillinae) from Mexico and Central America.

Five new species of Cymatodera from Mexico, Guatemala, Honduras, Costa Rica and Panama are described here based on adult male and female specimens: Cymatodera humeralis sp. n; Cymatodera lorenae sp. n.

Taxonomic revision of the New World genus Callotillus Wolcott (Cleridae, Tillinae), with the description of the new genus Neocallotillus, and an illustrated key of identification to species.

The New World checkered beetle genus Callotillus Wolcott, 1911 is revised and the new genus Neocallotillus established. The subspecies Callotillus elegans vafer Wolcott is synonymized with the nominal subspecies, Callotillus elegans elegans (Erichson), which is transferred to, and designated as the type species of Neocallotillus gen. n.

A checklist of the New World species of Tillinae (Coleoptera: Cleridae), with an illustrated key to genera and new country records.

This checklist presents the distribution of the checkered beetle subfamily Tillinae (Coleoptera: Cleridae) in the New World. Information for 164 species and 2 subspecies from 11 genera is included. The data are based on an extensive survey of material collected throughout the Americas, descriptions of new species, a number of revisionary works, data from museum specimens, as well as unpublished checklists.

Four new species of Cymatodera Gray from central and southern Mexico (Coleoptera, Cleridae, Tillinae).

Four new species of Cymatodera are described from Mexico: Cymatoderatortuosa Burke & Rifkind, sp. n. from Hidalgo and Tamaulipas; Cymatoderaortegae Burke, sp.

Cymatodera ochlera Barr, a junior synonym of Cymatodera wolcotti Barr, with a comparison to similar species (Coleoptera: Cleridae).

Cymatodera ochlera Barr 1972 has been considered to be very similar to but distinct from C. wolcotti Barr 1950. We present evidence to show that these two species are conspecific and C.

Four new species of Cymatodera Gray from Mexico (Coleoptera, Cleridae, Tillinae).

Four new species of Cymatodera from Mexico: Cymatodera bogcioides sp. n.; Cymatodera pueblae sp.

Six new species of Cymatodera from Mexico and Central America and the retention of Cymatodera obliquefasciata as a valid name (Cleridae, Tillinae).

Six new Cymatodera speciesfrom the Mexican states of Jalisco and Chiapas, and the Central American countries of El Salvador, Honduras, Costa Rica and Panamá are described: Cymatodera rosalinae sp. n., Cymatodera capax sp.