Rose Aphid vs Two-spotted Stink Bug

Side-by-side species comparison

Attribute Rose Aphid Two-spotted Stink Bug
Scientific Name Macrosiphum rosae Perillus bioculatus
Order Hemiptera Hemiptera
Family Aphididae Pentatomidae
Size 2-4 mm 9-12 mm
Habitat Underground Farmland
Diet Sap Feeders Predators
Regions Worldwide, wherever roses are grown North America
Conservation Least Concern Least Concern

Rose Aphid

A large green or pink aphid with long black cornicles (siphunculi) that is the most common aphid pest of roses. It clusters on buds and young shoots, distorting growth.

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Did You Know?

It can exist in green and pink color morphs on the same plant, and the color form may be influenced by crowding density and host plant quality.

Two-spotted Stink Bug

A colorful predatory stink bug with bold red or orange and black markings. It is particularly valued for its appetite for Colorado potato beetle larvae. The color pattern is variable but always includes two dark spots on the pronotum.

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Did You Know?

It can consume up to 100 Colorado potato beetle eggs per day, making it one of the most effective natural predators of this major crop pest.