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Black garden ant with the mandibles of an unindentified creature. The black garden ant ( Lasius niger ), also known as the common black ant , is a formicine ant , the type species of the subgenus Lasius , which is found across Europe and in some parts of North America , South America , Asia and Australasia .
Eyes range in size, being either medium to large, with more than six facets (lenses that make up the compound eye of an insect). The dorsum of the mesosoma has distinct metanotal grooves and lack erect hairs. The propodeum has a distinct protrusion which causes the slope to be strongly concave. The ant's waist has only one segment.
Ochetellus is a genus of ants first described by Steve Shattuck in 1992. He placed it in the subfamily Dolichoderinae of the family Formicidae.The ants in this genus are small and black in colour; workers measure 1.75 to 3 millimetres (0.07 to 0.12 in) in length, the males at around 1.6 millimetres (0.06 in) are smaller, and the queens are the largest, reaching 4 millimetres (0.16 in).
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Lasius is a genus of formicine ants. [2] The type species for this genus is the black garden ant, Lasius niger. Other major members, which live in drier heathland, are the cornfield ant, L. neoniger, and L. alienus. Other species include the temporary social parasites of the L. mixtus group and the hyper-social parasite Lasius fuliginosus.
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The eyes are elliptical and set far back on the head. It has no sting, but the ant can bite and then curve its abdomen forwards and secrete formic acid onto its prey. [2] They are too feeble to harm humans. A characteristic of this ant is the way that the workers move around jerkily in apparently random directions, whence their common name. [1]
Bulldog ants are known for being aggressive and defensive of nests, and sting and use their mandibles to fight off attackers. [ 2 ] [ 3 ] [ 6 ] Myrmecia esuriens is closely related to M. pilosula , the venomous jack jumper ant , the sting of which is known to be deadly to humans sensitive or allergic to the venom.