Pseudococcus comstocki(PSECCO)
Distribution details in Switzerland
Current pest situation evaluated by EPPO on the basis of information dated
2023: Present, restricted distribution
First recorded in: 2016
Pest status declared by NPPO: Present, only in some parts of the Member State concerned (2018-03)
First recorded in: 2016
Pest status declared by NPPO: Present, only in some parts of the Member State concerned (2018-03)
 NPPO (2018): first found in July 2016 in Canton of Valais on apricot trees in 3 commercial orchards. The pest was also found on apple and pear trees. In 2017, it was estimated that the infested area was of 20 ha. In infested orchards, different chemical and biological control measures were taken to contain the pest.
NPPO (2023): no further surveys were conducted and no additional official measures were taken as the organism is not regulated as a quarantine pest in Europe.
NPPO (2023): no further surveys were conducted and no additional official measures were taken as the organism is not regulated as a quarantine pest in Europe.
* NPPO of Switzerland (2018-03, 2023-05).
* Terrettaz M, Sarrasin C, Genini M, Stoebener P, Egger B, Christen D, Fischer S, Kehrli P, Gilli D (2020) The Comstock mealybug, a new pest of Valais orchards. Revue Suisse de Viticulture, Arboriculture et Horticulture 52(1), 80‑84.
* Terrettaz M, Sarrasin C, Genini M, Stoebener P, Egger B, Christen D, Fischer S, Kehrli P, Gilli D (2020) The Comstock mealybug, a new pest of Valais orchards. Revue Suisse de Viticulture, Arboriculture et Horticulture 52(1), 80‑84.
| Country | State | Status | |
|---|---|---|---|
| France | Present, restricted distribution | ||
| Italy | Present, restricted distribution | 
