Adalia bipunctata

Adalia bipunctata is an active predator of aphids from the order beetles (Coleoptera), the family ladybird. It is used for the suppression of different species of aphids (cotton aphid, peach potato aphid, black bean aphid, potato aphid). The adult predator is 5–8 mm in length, bright-red. The female lays eggs in groups of 10–40 in aphid colonies on a leaf underside. The fertility of the female during her life cycle is to 500 eggs. The average life span of an adult individual is 56 days. Both the larvae and the adult feed on the aphids. The adult kills an average of 30 aphids per day.  A larva during the period of development eradicates to 250–270 and the adult individual eats more than 1300 aphids. Adalia bipunctata is widely applied as a biological agent against aphids for protection of vegetables (cucumber, sweet pepper, eggplant), strawberry, and some other crops in covered ground.  Dependently on pest population density the release of the entomophage is fulfilled in amounts of 10–50 individuals per 1 m2. The optimal conditions of Adalia bipunctata development are: a temperature of 24–28°C, a relative air humidity of 70–80%, a day light duration of 18 hours.

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  • high feeding intensiveness,
  • the simplicity of the determination of entomophage level activity in the process of monitoring.