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Delphastus catalinae

Delphastus catalinae

Predatory voracious beetle of ladybirds, which destroys whiteflies of all instars on cucumber, pepper, tomato and other crops.


Unit of packaging

A package contains 1000 adults.

Transportation and storage

Store in the dark. Keep horizontally.

Storage temperature: 12-14°C.

Storage after receipt: 2 days.


Apply to control tobacco and greenhouse whitefly in greenhouses. Economically justified is the use of Delphastus catalinae at high pest density, as the predator female needs about 160-200 of whitefly eggs to breed.

Introduction ratio

On pest focus, introduce Delphastus weekly for 10 species per plant within a month. On a culture with a low pest density, apply 0.5 units per 1 m2 every 2 weeks. In a medium populated culture, 2-4 predators per 1 m2 are applied weekly.


The optimal temperature for a predatory beetle is 23-30°C. At temperatures below 20°C the beetle loses its effectiveness.


Dark brown or black beetles with size less than 2 mm. The female is lighter and has a pale yellow head. The larvae are also pale yellow and covered with hairs.

Life cycle

The female lays eggs (about 2-6 per day) near the larvae and laying eggs of the whitefly. After 1-3 days, the larvae of the predator emerges from the eggs and begin to destroy the eggs and nymphs of the pest. After 2 weeks, Delphastus larvae pupate on the underside of the leaf. After the 6-7th day of the pupa, adults appear. Imago lives for 1-2 months. The female eats 12 nymphs or 160 eggs per day.


It is not recommended to use predatory beetle together with parasitoid wasps (Encarsia formosa, Eremotocerus eremicus).