Enkele Waarnemingen Over Het Actieve Verplaatsingsvermogen Van De Rhododendron-Wants<Emphasis Type="Italic">Stephanitis Rhododendri</Emphasis> (Horvath)

March 1940, Volume 46, Issue 2, pp 83–86 | Cite as

Enkele Waarnemingen Over Het Actieve Verplaatsingsvermogen Van De Rhododendron-WantsStephanitis Rhododendri (Horvath)

Article

On account of the facts observed the following conclusions can be made:

1.

During windless hot afternoons (minimum temp. 21° C), the insect goes on the wings and leaves the rhododendronbushes.
2.

The flying-power is sufficient to enable the insect to spread over relatively great distances;
3.

The migration capacity of the insect makes it possible that complexes of rhododendronbushes, free from the insect, in the long run may become infected from neighbouring complexes.

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