A new species of Dicranocentrus Schött from Hainan (China) with a key to the Chinese species of the genus (Collembola, Entomobryidae)

Dicranocentrus hainanicus sp. n. 1 habitus 2 left Ant. Ia (dorsal side) 3 dorsal head 4 distal chaetae along posterior margin of head 5 right mandible 6Th. III 7 tibiotarsus I 8 external side of tibiotarsus II. Scale bars: 1.5 mm (1); 50 µm (2); 125 µm (3–8).