A revision of the genus Belonogaster de Saussure (Hymenoptera, Vespidae)Owain Westmacott Richards · First published 1982Open the Tome
The Australian social wasps (Hymenoptera, Vespidae)Owain Westmacott Richards · First published 1978Open the Tome
The social wasps of the Americas excluding the VespinaeOwain Westmacott Richards · First published 1978Open the Tome
The Sphaeroceridae (Borboridae or Cypselidae, Diptera Cyclorrhapha) of the Australian regionOwain Westmacott Richards · First published 1973Open the Tome
The subgeneric divisions of the genus Bombus latreille (Hymenoptera: Apidae)Owain Westmacott Richards · First published 1968Open the Tome
New species of Leptocera Olivier in the burrows of the pocket gopherOwain Westmacott Richards · First published 1964Open the Tome
New species of Leptocera Olivier in the burrows of the pocket gopher, Geomys Barsarius Illinoisis Komarek and Spencer, found in Illinois (Diptera: Sphaeroceridae)Owain Westmacott Richards · First published 1964Open the Tome
The species of Pseudomasaris Ashmead (Hymenoptera, Masaridae)Owain Westmacott Richards · First published 1963Open the Tome
A revisional study of the Masarid wasps (Hymenoptera, Vespoidea)Owain Westmacott Richards · First published 1962Open the Tome
Studies on the biology and population dynamics of British grasshoppersOwain Westmacott Richards · First published 1954Open the Tome
Some notes on the humble-bees allied to Bombus alipinus, L.Owain Westmacott Richards · First published 1931Open the Tome
