Hemiptera/ Bugs/
| Vol nr | Description |
|---|---|
| ESS 4 | Sri Lanka/ Ceylon Report 2— papers on Hemiptera |
| ESS 7 | Gerrinae of Old World |
| ESS 9 | Aphididae in Old World |
| ESS 11 | Sri Lanka/ Ceylon Report 3— papers on Hemiptera |
| ESS 30 | Sri Lanka/ Ceylon Report 4— papers on Hemiptera |
| OES 31 | Bugs in Swedish east coast archipelago |