Checklist of the Lepidoptera of the British Isles

The Staphylinidae (rove beetles) of Britain and Ireland – part 2

British Coleoptera larvae

The Carabidae (ground beetles) of Britain and Ireland

Keys to the adults waterbeetles – part 1

Key to the adult waterbeetles – part 2

British Scraptiidae

The Vespoid Wasps

The Banchine Wasps of the British Isles

Fungus gnats

Zoogdieren in Zeeland

Guide to the Butterflies of the Paleartic Region – alle 26 delen

The Gall Midges of Europe

Plant Galls of the Netherlands, Belgium and Luxembourg

The Gelechiidae of North-West Europe

Chalcidoidea of the World