A new arboreal species of Vitronura Yosii, 1969 and a new record of Yuukianura Yosii, 1955 (Collembola, Neanuridae) from China, with notes on the feeding behavior of Neanurinae
Ji-Gang Jiang | Daoyuan Yu
A new species, Vitronura cheni sp. nov. (Collembola: Neanuridae) is described from Yongzhou, Hunan Province, China. The new species is characterized by the combination of following characters: 2+2 uncolored big eyes; labral chaetotaxy as 0/2, 2; cephalic tubercle Fr with chaeta O; cephalic tubercles Dl, L and So fused; mandibles with four teeth; maxillae with two lamellae, the long one with a tiny tooth and the short one with pointed tip; labrum truncated; claw without inner tooth; and femur and tibiotarsus with a tenant chaeta. Yuukianura szeptyckii Deharveng & Weiner, 1984 was reported from China for the first time. Observations of a cultured population of Y. szeptyckii revealed feeding preferences and behavior that differ from those previously reported in other members of Neanurinae. A checklist of Yuukianura species and distributions is also provided.
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