Abstract
There are 11 genera of Dorylinae in the Neotropics, but Syscia Roger, 1861 is the only one with a discontinuous distribution between the Nearctic, Neotropical and Indomalayan regions. The present study reports a new record of Syscia in northern Brazil and confirms its distribution in South America, in accordance with previous reports. The Syscia specimens corresponds to an undescribed species and were collected along the margins of the Madeira River, in the National Forest of do Jamari, in the southwestern Brazilian Amazon.
Highlights
The genera members of Syscia Roger, 1861; Neocerapachys Borowiec, 2016 and Cerapachys Smith, 1857, were grouped into the single genus Cerapachys since the genus creation, in 1972 Kempf synonymized Syscia under Cerapachys
The taxonomic situation has contributed to misunderstanding the distribution of some species; for a long time, the species belonging to Syscia were classified in Cerapachys, which today is only found in Indomalayan, and Neocerapachys, found in the Neotropics
After the generic revision done by Borowiec (2016), the presence of S. augustae was confirmed in South America, in Rondônia state (Fernandes & Souza 2018)
Summary
The genera members of Syscia Roger, 1861; Neocerapachys Borowiec, 2016 and Cerapachys Smith, 1857, were grouped into the single genus Cerapachys since the genus creation, in 1972 Kempf synonymized Syscia under Cerapachys. The taxonomic situation has contributed to misunderstanding the distribution of some species; for a long time, the species belonging to Syscia were classified in Cerapachys, which today is only found in Indomalayan, and Neocerapachys, found in the Neotropics. In 2016, Souza et al recorded the species S. augustae (Wheeler, 1902) and N. splendens (Borgmeier, 1957) (both species formerly belonged to Cerapachys) to Rondônia state (Brazil).
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