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Macrosiphum rosae (Linnaeus) Common name: Rose aphid. and females occur in winter, mate, and the females lay eggs on rose canes. Macrosiphum rosae, the rose aphid feeding on stem of cultivated rose. Wallingford, Oxfordshire More information; Distribution map. Aphididae – Macrosiphum rosae rose aphids – Macrosiphum rosae Aphid on Rosebud – Macrosiphum rosae Big aphid – Macrosiphum rosae.

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Rose is the primary host for both species. Potato aphid disperses to a wide variety of herbaceous plant hosts in summer.

Aphids are very commonly associated with roses, particularly late in the season. Infestations concentrate around new shoots and flower buds.

During outbreaks these insects can reduce flower nacrosiphum and may even kill buds.

Rose Aphids – Control and Identification

Aphids may also feed on flower petals after bud break, causing losses in flower quality. Potato aphids disperse to other plants during summer and may be found on a very wide range of host plants during this period.

Nightshade family hosts, such as tomatoes, are favored during this time but potato aphid can be found feeding on most vegetables, a wide variety of flowers, on common weeds such as pigweed and sowthistle, and small fruits.


Winged stages of the late summer generations disperse back to rose and reproduce, contributing greatly to late season outbreaks. Both pink and green forms of the potato aphid are common and this insect may also be a serious greenhouse pest.

Rose aphid apparently restricts feeding to rose through out the year.

Macrosiphum rosae – Wikipedia

It produces only green forms that may be winged or wingless, macrospihum latter dispersing to new plantings. General aphid predators, such as lady beetles and syrphid flies, as well as parasitic wasps commonly feed on rose aphids.

These usually keep populations under fair control, although aphid outbreaks frequently occur during spring and fall when biological controls are not highly active. Rose aphids are quite delicate, so hosing plants with a strong jet of water syringing can kill and dislodge many.

Pruning prior to bud break can remove many of the eggs that overwinter on canes. Most general-use insecticides, including the “rose systemics” Disystonare usually effective.

Macrosiphum rosae

Rosxe sprays of insecticidal soaps or horticultural oils are also effective. The information herein is supplied with the understanding that no discrimination is intended and that listing of commercial products, necessary to this macrosphum, implies no endorsement by the authors or the Extension Services of Nebraska, Colorado, Wyoming or Montana.


Criticism of products or equipment not listed is neither implied nor intended. Due to constantly changing labels, laws and regulations, the Extension Services can assume no liability for the suggested use of chemicals contained herein. Pesticides must dosae applied legally complying with all label directions and precautions on the pesticide container and any supplemental labeling and rules of state and federal pesticide regulatory agencies.

State rules and regulations and special pesticide use allowances may vary from state to state: Discussion View source History.

Macrosiphum rosae (Rose aphid): identification, images, ecology, control

Potato and Rose Aphids From Bugwoodwiki. Macrosiphum euphorbiae Thomas, Macrosiphum rosae Linnaeus, Retrieved from ” macrosjphum This page was last modified Based on work by Ronda Koski and Melissa.

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