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A Revision Of The Genus Mecistostethus Marseul (Histeridae, Histerinae, Exosternini), Michael S. Caterino, Alexey K. Tishechkin, Nicolas Degallier
A Revision Of The Genus Mecistostethus Marseul (Histeridae, Histerinae, Exosternini), Michael S. Caterino, Alexey K. Tishechkin, Nicolas Degallier
Publications
We revise the genus Mecistostethus Marseul, sinking the monotypic genus Tarsilister Bruch as a junior synonym. Mecistostethus contains six valid species: M. pilifer Marseul, M. loretoensis (Bruch), comb. n., M. seagorum sp. n., M. carltoni sp. n., M. marseuli sp. n., and M. flechtmanni sp. n. The few existing records show the genus to be widespread in tropical and subtropical South America, from northern Argentina to western Amazonian Ecuador and French Guiana. Only a single host record associates one species with the ant
Pachycondyla striata Smith (Formicidae: Ponerinae), but it is possible that related ants host all the species.
A Revision Of The Genus Kaszabister Mazur (Histeridae, Histerinae, Exosternini), Michael S. Caterino, Nicolas Degalllier, Slawomir Mazur, Alexey K. Tishechkin
A Revision Of The Genus Kaszabister Mazur (Histeridae, Histerinae, Exosternini), Michael S. Caterino, Nicolas Degalllier, Slawomir Mazur, Alexey K. Tishechkin
Publications
We revise the four species of Kaszabister Mazur, 1972, one of which, Kaszabister barrigai sp. n., is described as new. The other species in the genus are K. rubellus (Erichson, 1834), K. ferrugineus (Kirsch, 1873) and K. carinatus (Lewis, 1888). The species are principally known from the subtropics of South America, with one in Central America. Lectotypes are designated for K. rubellus and K. ferrugineus, and a key is provided for all the species. Ants of the genus Solenopsis Westwood, mainly S. invicta Buren and S. saevissima (Smith), are documented as hosts of three of the four species.