Phenology of Hong Kong Psenulus spp. 2A Activity periods of the six known species; 2B, 2C Abundance of five species of Psenulus.

  Part of: Taylor CK, Barthélémy C, Chi RCS, Guénard B (2020) Review of Psenulus species (Hymenoptera, Psenidae) in the Hong Kong SAR, with description of three new species. Journal of Hymenoptera Research 79: 169-211.