Fossil locality in Maguan County, southeastern Yunnan Province, China. 1 Outcrop overview, green arrow showing layers bearing the present fossil 2 Example of preservation, Acer cf. coriaceifolia H. Lév. (Sapindaceae) preserved together with a nematoceran fly (position indicated by white arrow) 3 Schematic cross section of the studied area.

 
 
  Part of: Engel MS, Wang B, Alqarni AS, Jia L-B, Su T, Zhou Z-k, Wappler T (2018) A primitive honey bee from the Middle Miocene deposits of southeastern Yunnan, China (Hymenoptera, Apidae). ZooKeys 775: 117-129. https://doi.org/10.3897/zookeys.775.24909