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A Revision of The Genus Tricorynus of North America (Coleoptera: Anobiidae)

These beetles have been previously known under the name Catorama Guérin; in this study the name is changed. All names previously designated therefore represent new combinations. The more important sections of the introduction include: a historical review of the papers on the genus; biological notes on 21 of the 82 species; a morphological description of the genus; and a discussion of phylogeny and placement of the species into groups. A key to species is presented and a complete list of references to and a description of each species is given. Descriptions of male genitalia, distribution notes, and other pertinent data are given for each species. The plates include a full-page ventral view of T. confusus (Fall), lateral view drawings of all but 2 of the species, and drawings of the male genitalia of 72 of the species. Twenty-five species are described as new: Tricorynus abdominalis, aberrans, abnormis, abruptus, arizonicus, bifoveatus, californicus, coactus, elutus, extremus, guttiformis, imitans, inflatus, lanceolatus, lucidus, megalops, moderatus, obliteratus, obscurus, platyops, productus, texanus, tibialis, tropicus, and vittatus. Four subspecies are described: T. californicus californicus, californicus concolor, gibbulus pubescens, and gibbulus elongatus. The following new synonymy is established: T. densus (Fall) (=rogersi Hatch), estriatus (Horn) (=grande Fall), gibbulus (Fall) (=triviale Fall), herbarius (Gorham) (=geminatum Fall), nigripennis (Fall) (=longulum Fall), nubilus (Fall) (=schuhi Hatch), punctulatus (LeConte) (=sectans LeConte), similis (LeConte) (=vexatum Fall), and tabaci (Guérin) (=puncticeps Gorham).

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