About Grain Aphid
A major pest of cereal crops in Europe and other temperate regions. It feeds on ears and leaves, reducing grain quality and transmitting barley yellow dwarf virus.
Did You Know?
Feeding on wheat ears during grain fill can reduce thousand-kernel weight by up to 20%.
How to Identify Grain Aphid
Grain Aphid (Sitobion avenae) belongs to the order Hemiptera, family Aphididae. Adults typically measure 1.5-3 mm.
Grain Aphid Habitat
Grain Aphid is found in farmland habitats, particularly across Europe, Asia, Africa, South America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Grain Aphid Diet and Feeding
Grain Aphid is a herbivore, feeding on plant material including leaves, stems, flowers, and other vegetation. Herbivorous insects play a significant role in ecosystems by influencing plant growth and serving as a food source for predators.
Where Is Grain Aphid Found?
Grain Aphid can be found in Europe, Asia, Africa, South America, where it inhabits farmland environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Grain Aphid can be found
Is Grain Aphid Dangerous?
Grain Aphid is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Grain Aphid Role in Nature
Grain Aphid is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.
Seasonal Activity
Frequently Asked Questions About Grain Aphid
What does Grain Aphid look like?
The Grain Aphid typically measures 1.5-3 mm.
Where is Grain Aphid found?
The Grain Aphid is found in Europe, Asia, Africa, South America and typically inhabits farmland environments.
What does Grain Aphid eat?
The Grain Aphid feeds on plant material including leaves, stems, and other vegetation.
Is Grain Aphid dangerous to humans?
The Grain Aphid is generally harmless to humans. It does not bite or sting and poses no significant health risk.
Is Grain Aphid endangered?
The Grain Aphid is currently classified as Not Evaluated by conservation assessments. Habitat loss and environmental changes are among the primary threats to its population.
What is an interesting fact about Grain Aphid?
Feeding on wheat ears during grain fill can reduce thousand-kernel weight by up to 20%.
Cite This Page
APA:
InsectDiscover. (2026). Grain Aphid (Sitobion avenae). Retrieved from https://insectdiscover.com/insect/grain-aphid
MLA:
"Grain Aphid." InsectDiscover, https://insectdiscover.com/insect/grain-aphid.