Abstract
ABSTRACT Xylographellini beetles occur mainly in lands of the Southern Hemisphere. However, the taxonomy of Australian and Oriental species is incipient. The tribe comprises four genera, of which Scolytocis Blair, 1928 and Xylographella Miyatake, 1985 were recently redescribed and reported from Australia but without descriptions of new species. Here, three new species of Xylographellini are described: Scolytocis australimontensis sp. n. from Australia, with smooth interspaces of pronotal punctures; Scolytocis insularis sp. n. from the Pohnpei Island (Caroline Islands, Micronesia), with microstriated interspaces of pronotal punctures; and Xylographella frithae sp. n. from Australia, with six raised keels in elytral declivity. Scolytocis samoensis Blair, 1928, type species of the genus, is recorded from Guam (Mariana Islands, Micronesia) and redescribed. Keys for the Scolytocis and Xylographella occurring in the Australian and Oriental regions are also provided.
Highlights
Xylographellini (Ciidae: Ciinae) comprises four genera in two subtribes (Lopes-Andrade 2008): Xylographella Miyatake, 1985 and Scolytocis Blair, 1928 in Xylographellina; and Syncosmetus Sharp, 1891 and Tropicis Scott, 1926 in Syncosmetina
Xylographellina occur in the Australian (New Zealand), Oriental (Philippines, Fiji and Samoa) and Palearctic (Japan) regions, throughout the Neotropical region, and in the Chinese transition zone (Lopes-Andrade 2008, Lopes-Andrade and Grebennikov 2015)
Syncosmetina occur in the Ethiopian region, Palearctic region (Japan) and in the Chinese transition zone
Summary
Xylographellini (Ciidae: Ciinae) comprises four genera in two subtribes (Lopes-Andrade 2008): Xylographella Miyatake, 1985 and Scolytocis Blair, 1928 in Xylographellina; and Syncosmetus Sharp, 1891 and Tropicis Scott, 1926 in Syncosmetina. Syncosmetina occur in the Ethiopian region (islands of the Indian Ocean), Palearctic region (Japan) and in the Chinese transition zone (biogeographic regionalization sensu Morrone 2015). The distribution of these subtribes overlaps in the Chinese transition zone, with one species of Scolytocis and four of Syncosmetus (Lopes-Andrade and Grebennikov 2015), and in Japan, with one species of Xylographella and two of Syncosmetus (Lopes-Andrade 2008). Identification keys to Australian and Oriental Scolytocis and to all known species of Xylographella are provided
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