Abstract
Lithobius (Ezembius) hualongensissp. nov. and Lithobius (Ezembius) suisp. nov. (Lithobiomorpha, Lithobiidae) recently discovered from the Qinghai-Tibet Plateau, China are described. Morphologically, the two new species are very similar but can be distinguished by the number of coxosternal teeth: L. (E.) hualongensissp. nov. has 2 + 2 while L. (E.) suisp. nov. has 3 + 3. The two new species resemble L. (E.) multispinipesPei et al., 2016, from the Xinjiang Autonomous Region, but can be readily distinguished by having the Tömösváry’s organ slightly larger than the adjoining ocelli rather than smaller, 3 + 3 spurs on female gonopods versus 2 + 2, and the simple terminal claw of female gonopods with a small triangular protuberance on the basal ventral side versus simple, without a small triangular protuberance on the basal ventral side. We also compare the main morphological characters of the two new species with the other Lithobius (Ezembius) species known in Qinghai Province. A key to the Chinese species of Ezembius is presented.
Highlights
Male S15 subtrapeziform, posterior margin narrower than anterior, sparsely covered with short to long setae on ventral side of S15 and mp amp am mp ap a
The myriapod fauna of China is still poorly known and this is especially the case with centipedes of the order Lithobiomorpha
We describe Lithobius (Ezembius) hualongensis sp. nov. found in Hualong County, Qinghai and Lithobius (Ezembius) sui sp. nov. collected from Minghe County, Qinghai
Summary
Male S15 subtrapeziform, posterior margin narrower than anterior, sparsely covered with short to long setae on ventral side of S15 and mp amp am mp ap a
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