Abstract
During a soil zoological expedition to São Tomé and Príncipe in 2010 by the California Academy of Sciences, millipedes of the genus Globanus were collected. Samples of G.marginescaber (Karsch, 1884) and G.integer (Karsch, 1884) were recovered in addition to those containing a new species. Globanusdrewesisp. nov. is described and additional records, illustrations, and descriptive notes are given for the other two species. A key to all three species of the genus is provided, and a distribution map is presented. The monotypic genus Lobogonus Demange, 1971, which includes L.trilobatus Demange, 1971, from Sierra Leone, mainland western Africa, is revalidated and removed from synonymy under Globanus. Lobogonus is illustrated from a type specimen.
Highlights
São Tomé and Príncipe are two volcanic islands in the Gulf of Guinea straddling the Equator ca 250 km west off the coast of Gabon
S. integer was relegated to the new genus Globanus Attems, 1914, while S. marginescaber was considered as a species incertae sedis because its holotype was a female (Attems 1914)
The genus Globanus had been considered endemic to São Tomé and Príncipe until Krabbe (1982), in her global revision of Spirostreptidae, synonymized Globanus with Lobogonus Demange, 1971, and extended the distribution of Globanus to mainland western Africa
Summary
São Tomé and Príncipe are two volcanic islands in the Gulf of Guinea straddling the Equator ca 250 km west off the coast of Gabon. The genus Globanus had been considered endemic to São Tomé and Príncipe until Krabbe (1982), in her global revision of Spirostreptidae, synonymized Globanus with Lobogonus Demange, 1971, and extended the distribution of Globanus to mainland western Africa. She only recognized two valid species, G. integer and G. trilobatus (Demange, 1971). Globanus integer (Karsch, 1884) and G. marginescaber (Karsch, 1884) were both recovered on each island, along with one new species. The Sierra Leone genus Lobogonus is revalidated and removed from synonymy under Globanus
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