Adult parasitoids Encarsia citrina are only 0.5-1 mm in size and brown in color. They have green eyes, three red dots on the head (= ocelli) and relatively long feathered wings. There are mainly female wasps. Males are very rare. Parasitized armoured scales are hardly recognizable. They are slightly darker, and there is a faint ring of faeces of the young parasite visible. The wasp crawls out through a nice round hole in the scale cover of the armoured scale.
Mode af Action:
Encarsia citrina parasitizes small stages of various scale insects. Both male and female armoured scale insects are parasitized.
Encarsia citrina is mainly used against Pinnaspis aspidistrae, Abgrallaspis cyanophylli, Aspidiotus nerii and Diaspis bromeliae in greenhouses and indoor plants. Consider repeated introductions. The product is sensitive to various chemical pesticides. Ask for advice deployment strategy.
effect of Encarsia citrina
- parasitizes small stages of several species of armoured scale
- male as well as female armoured scales may be parasitized
- development takes around 30 days
- visible effect only after 6-8 weeks
- small circular exit holes in small as well as larger stages of scales
The product Encarsia citrina
Product: transparent vial of 40 ml with 25 or 100 adult parasitoids.
Shelf life: maximum 2 days at 10-15°C.
Climate: the temperature should be regularly above 20 ° C and should not exceed 30 ° C for longer time. The relative humidity is less important. Encarsia citrina is especially effective in the spring and autumn. In the fall a percentage parasitism of 80% may be reached.