Rosy Apple Aphid vs Grandidier's Hissing Cockroach

Side-by-side species comparison

Attribute Rosy Apple Aphid Grandidier's Hissing Cockroach
Scientific Name Dysaphis plantaginea Gromphadorhina grandidieri
Order Hemiptera Blattodea
Family Aphididae Blaberidae
Size 2-3 mm 40-60 mm
Habitat Orchards Underground
Diet Fruit Feeders Fruit Feeders
Regions Europe, North America, Western Asia Madagascar
Conservation Least Concern Not Evaluated

Rosy Apple Aphid

A purplish-gray aphid covered in a dusky waxy bloom that causes severe leaf curling and fruit deformation on apple trees. It is considered the most damaging aphid pest of apples.

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Did You Know?

Even small colonies in spring can cause 'aphid apples' - stunted, misshapen fruit with a characteristic bumpy surface that makes them unmarketable.

Grandidier's Hissing Cockroach

A robust hissing cockroach endemic to Madagascar with a dark brown body. Smaller than the common hissing cockroach but equally vocal.

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Did You Know?

Males use their large pronotal horns to ram opponents during territorial battles.