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Species Anergates atratulus

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Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
Superfamily Formicoidea (Ants)
Family Formicidae (Ants)
Subfamily Myrmicinae
Tribe Crematogastrini
Genus Anergates
Species atratulus (Anergates atratulus)
Explanation of Names
From Greek: "no workers".
Author: Schenck 1852 (Myrmica)
Range
Palearctic and Nearctic, roughly following the distribution of its host.
Life Cycle
They have no workers, since they are parasites.
Remarks
Obligate parasite of Tetramorium caespitum.
Introduced from the Old World.
Internet References