Biosystematic Studies of Ceylonese Wasps, XIX: Natural History Notes in Several Families (Hymenoptera: Eumenidae, Vespidae, Pompilidae and Crabronidae)
- 1 January 1991
- journal article
- Published by Smithsonian Institution in Smithsonian Contributions to Zoology
- No. 515,p. 1-41
- https://doi.org/10.5479/si.00810282.515