Chaetocnema hortensis
Chaetocnema hortensis is a species of flea beetle from Chrysomelidae family. Description
They are  long, and are gray in colour with yellow legs and antennae. Distribution
The species can be found in the Palearctic region, in eastern part of Amur region and Europe (Bavaria and the United Kingdom). References

Alticini
Beetles described in 1880
Beetles of Europe