Green peach aphid

feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that overwinter. In greenhouses reproduction also takes place by par

American serpentine leaf miner

flies , at most only several millimetres long. When the adult females feed or lay eggs, they bore a hole using their toothed ovipositor, usually in the upper

Macrolophus pygmaeus

t of a population. When females are only able to feed on plant sap, they lay far fewer eggs and the nymphs (if similarly deprived of living prey) will

Beet armyworm

a clearly outlined brown venation. The beet armyworm (Spodoptera exigua) lays its eggs in packets, sometimes in several layers, and on top of a mass of

Citrus mealybug

emerges from its cocoon, it goes in search of a female. A fertilized female lays several hundreds of eggs in an elongated cottony egg sac composed of white

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

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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