Amara aenea is a ground beetle

Ground beetle

Ground beetles are a large, cosmopolitan family of beetles, Carabidae, with more than 40,000 species worldwide, approximately 2,000 of which are found in North America and 2,700 in Europe.-Description and ecology:...

 common in almost the whole Europe and Northern Asia. Its range covers also parts of Northern Africa. It is known as the common sun beetle.

A. aenea adults are predators that eat other insects, such as the apple maggot

Apple maggot

The apple maggot , also known as railroad worm, is a pest of several fruits, mainly apples. The adult form of this insect is about 5 mm long, slightly smaller than a house fly, with a white dot on its thorax and a characteristic black banding shaped like an "F" on its wings...

 and soybean aphid, which are considered pests by the agriculture industry

Agribusiness

In agriculture, agribusiness is a generic term for the various businesses involved in food production, including farming and contract farming, seed supply, agrichemicals, farm machinery, wholesale and distribution, processing, marketing, and retail sales....

. As such, this beetle is under study for use in integrated pest management

Integrated Pest Management

Integrated pest management is an ecological approach to agricultural pest control that integrates pesticides/herbicides into a management system incorporating a range of practices for economic control of a pest...

. Larvae are omnivorous.

The adults feed on the developing seed of Poa trivialis

Poa trivialis

Poa trivialis , is a perennial plant, and is regarded in the USA as an ornamental plant and is of the Poa family.-Description:...

and smooth meadow grass Poa pratensis.