The Adult Trichoptera (Caddisflies) of Britain & Ireland

Psylloidea (Nymphal stages) Hemiptera, Homoptera

Beetles of Hertfordshire

Aphids – Pterocommatinae and Aphidinae (Aphidini)

Aphids – Aphidinae (Macrosiphini)

Aphids – Anoeciinae, Lachninae, Eriosomatinae, Phloeomyzinae, Thelaxinae, Hormaphidinae, Mindarinae

British Coleoptera larvae. A guide to the families and major subfamilies

The Carabidae (ground beetle) of Britain and Ireland

Keys to adults of the water beetles of Britain and Ireland (Part 1)

Keys to adults of the water beetles of Britain and Ireland (Part 2)

Thysanura and Diplura

Pollen Beetles – Coleoptera: Kateretidae and Nitidulidae: Meligethinae