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An insect of the order Hymenoptera. They're considered a pest in the summer when they feed on ripe fruit.

Sap-sucking insects of the family Aleyrodidae. A particular pest of the greenhouse, whitefly can be very destructive.

A scavenging insect of the Dermaptera order. Earwigs have long, narrow bodies and pincers at the rear. They may damage plants, especially those with dense flowerheads, as they can provide it with food and shelter.

Also known as bloom or blossom, the flower is the reproductive structure of a plant, bearing the male and female organs. It's often brightly coloured to attract fertilising insects.

The lip-like lower petal of an orchid flower, which is distinct from the others both in form and patterning. Serves as a platform for pollinating insects.

An insect that looks like a wood louse, but which is coated in a pale, waxy substance. It feeds on plant sap, and is best controlled by systemic insecticide.

The common name for tiny members of the Acarina order. They're distinguished from insects by having eight legs and no antennae. They may cause damage to plants, and are best controlled by chemical acaricides.

A flower leaf. Part of the corolla of a flower, surrounding the reproductive organs. The petal itself is non-reproductive, but has a role in attracting insects and is often coloured.

One of a number of species belonging to the order Collembola. These insect-like creatures feed on living or decaying vegetation, and can be a nuisance in greenhouses. They can be controlled using insecticide.

A group of microscopic organisms that reproduce inside plant cells, thereby destroying them and causing disease. Viruses that attack plants are often transmitted by sap-sucking insects.