(1)
Xu, Q.-H.

Description of the Final Stadium Larva of Heliocypha perforata perforata (Percheron), With Discussion of the Taxonomic Characters of the Larvae of the Genus Heliocypha Fraser (Odonata: Zygoptera: Chlorocyphidae)

. Zootaxa 2015, 3926, 137–141.