Difference between revisions of "Pulvinaria regalis"
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[[File:Pulvinaria regalis in Llanelli.jpeg|300px|thumb|''Pulvinaria regalis'' on a sycamore trunk (click on image to enlarge it)<br/>Source: [https://commons.wikimedia.org/wiki/File:Pulvinaria_regalis_in_Llanelli.jpeg Wikimedia Commons]]] | [[File:Pulvinaria regalis in Llanelli.jpeg|300px|thumb|''Pulvinaria regalis'' on a sycamore trunk (click on image to enlarge it)<br/>Source: [https://commons.wikimedia.org/wiki/File:Pulvinaria_regalis_in_Llanelli.jpeg Wikimedia Commons]]] | ||
| − | <font color="#800000">'''''Pulvinaria regalis'''''</font> Canard - (horse chestnut scale) | + | <font color="#800000">'''''Pulvinaria regalis'''''</font> Canard, 1968 - (horse chestnut scale) |
| − | + | This scale insect was originally described from ''Tilia vulgaris'' in Paris in 1968. It has since been reported from other European countries and can reach high population densities. It is polyphagous, but lime trees, horse-chestnut and maple are most frequently attacked. | |
| + | |||
| + | There is one generation per year with females laying eggs in late spring, covered by woolly ovisacs. The crawlers move to the leaves, where they feed until autumn. In autumn, the third-instar nymphs move to the branches and trunk for overwintering. Development continues and is completed in spring. | ||
{{VN | {{VN | ||
|en=horse chestnut scale | |en=horse chestnut scale | ||
Latest revision as of 20:35, 4 March 2019
| Literature database |
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Pulvinaria regalis Canard, 1968 - (horse chestnut scale)
This scale insect was originally described from Tilia vulgaris in Paris in 1968. It has since been reported from other European countries and can reach high population densities. It is polyphagous, but lime trees, horse-chestnut and maple are most frequently attacked.
There is one generation per year with females laying eggs in late spring, covered by woolly ovisacs. The crawlers move to the leaves, where they feed until autumn. In autumn, the third-instar nymphs move to the branches and trunk for overwintering. Development continues and is completed in spring.
| Vernacular names | |
|---|---|
| • Deutsch: | Wollige Napfschildlaus |
| • English: | horse chestnut scale |
| • Français: | pulvinaire du marronier d'Inde |
