Pulvinaria regalis (horse chestnut scale)
(horse chestnut scale) characteristics: young instars bright brown coloured; depending on the time of the season they occur on the leaf, the shoot or the trunk adults are round, occur on the trunk, from June / July on with very obvious white egg masses one generation per year, eggs hatching in July, nymphs moving to the twigs in autumn. Over wintering as nymphs on the twigs. After bud-burst rapid growth of nymphs occurs natural enemies: Coccophagus spp. and Exochomus quadripustulatus hosts: horse chestnut, lime tree, maple |
Pulvinaria hydrangeae (hydrangea scale)
characteristics: young instars bright brown; depending on the time of the season they occur on the shoot, the branch or the trunk adults are elongate, mainly on the shoots; from June - July on with very obvious white egg-mass outdoors one generation per year; over wintering in the nymphal stage natural enemies: Coccophagus spp. and Exochomus quadripustulatus hosts: Hydrangea, lime tree, Magnolia, maple |
Pulvinaria floccifera (cushion scale)
(cushion scale) characteristics: young instars light brown, adults elongate with obvious white egg mass. The egg mass is somewhat smaller than the ones from other Pulvinaria species outdoors only one generation per year, over wintering as nymphs on the leaves occurs indoors as well as outdoors natural enemies: Coccophagus spp. and Exochomus quadripustulatus hosts: Camellia, Euonymus. Ilex, Taxus, |
