A slight slowing in reproduction is noted during the colder months. In February-March, the first flights are noted as a forerunner to the first eggs being laid. Another marked emergence usually occurs during August. Depending on the climatic conditions, another generation may occur in October. Because it has no enemies, this pest is found in very large populations, the only limit being the availability of food material.
Blemishes are also very widespread.
On the underside of leaves of orange. . Nymphs excreting honeydew 2nd-stage nymphs. .