Macrosiphum rosae
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Macrosiphum rosae (Linnaeus, 1758) - (rose aphid)
The rose aphid has a worldwide distribution and colonises mainly cultivated roses. New shoots and flower buds are most commonly infested. During outbreaks, buds and flowers may be damaged and flower quality is affected. In addition, the aphid transmits a variety of plant viruses.
During the summer, several generations are produced parthenogenetically. Winged forms may also form which can migrate to other plants. The winged forms return to roses in autumn and lay black eggs. The eggs overwinter and a new generation of wingless females develop in spring.
| Vernacular names | |
|---|---|
| • Deutsch: | große Rosenblattlaus |
| • English: | rose aphid |
| • Français: | puceron du rosier |
| • Português: | pulgão-roxo-da-roseira |
There are green and pinkish colour forms of Macrosiphum rosae, often mixed in the same colony. The body of the adult has a length of 3-4 mm with long black cornicles and black antennae.
- Other images of Macrosiphum rosae (IPM Images and PaDIL - click to enlarge)
colony with female giving birth to nymph
colony
colony on rose bud
wingless adult
winged adult
winged adult
abdomen
_on_a_rose_bud.jpg)
