Predatory insects

to their effectiveness as biological control agents. Female gall midges lay their eggs on plant leaves, and when the larvae hatch, they feed on aphids

Broad mite

Tarsonemid mites have no eyes. Female broad mites ( Polyphagotarsonemus latus ) lay their eggs mainly on the underside of the leaf or on the fruit surface. The

Encarsia formosa

y the greenhouse whitefly ( Trialeurodes vaporariorum ). The female wasp lays her eggs inside the whitefly nymphs, which are then consumed from the inside

Aphidius colemani

even when they are at low density. The behaviour of the female during egg-laying is typical of the Aphidiidae. First the host is examined by drumming with

Operation Mealybug

deploying the maximum number of larvae. This optimizes the chances of good egg laying and makes a complete life cycle possible, ensuring a permanent defense against

Diglyphus isaea

host. Egg stage: A female wasp first paralyzes the leaf miner larva and then lays a single egg (occasionally more) next to it. In general, the wasp selects

Neoseiulus cucumeris

instar Western flower thrips ( Frankliniella occidentalis) larvae per day and lays about two eggs per day. Life cycle of Neoseiulus cucumeris The life cycle

Amblyseius andersoni

larvae of Western Flower Thrips ( Frankliniella occidentalis ) per day and lays 2.3 eggs per day. Life cycle of Amblyseius andersoni Mobile stages are beige

Thrips

parts of stalks. On the leaves of sweet pepper, for instance, these egg-laying sites are recognizable as wart-like growths, whereas on most other crops

Trial results onion fly and bean seed fly

to crops such as onion, corn and cabbage. Bean seed flies damage crops by laying their eggs near plant bases. Hatching larvae tunnel into the soil and feed