Paegniodes sapanensis sp. nov., scanning electron micrographs of egg (dissected from subimago) A eggs B general outline C chorionic surface D micropyle. M = micropyle, KCTs = knob-terminated coiled threads.

 
 
  Part of: Boonsoong B, Auychinda C, Sartori M, Khanyom N (2021) First record of Paegniodes Eaton, 1881 (Ephemeroptera, Heptageniidae) from Thailand with description of a new species. ZooKeys 1036: 153-170. https://doi.org/10.3897/zookeys.1036.64880