Black garden ant
The Black garden ant (Lasius niger), also known as the Common black ant, Common house ant or Tramp ant, is a formicine ant. It is a species of the subgenus Lasius, which is found across Eurasia and in some parts of South America, Southeast Asia and Australasia. The European species is now  split into two species; L. niger, which are found in open areas; and L. platythorax, which is found in forests .