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Formica polyctena
''Formica polyctena'' is a species of European red wood ant in the genus ''Formica'' and larger family Formicidae. It is found in many European countries. It is a eusocial species, that has a distinct caste system of sterile workers and a very small reproductive caste.〔 The ants have a genetic based cue that allow them to identify which other ants are members of their nest and which are foreign individuals.〔 When facing these types of foreign invaders the ''F. polyctena'' has a system to activate an alarm. It can release pheromones which can trigger an alarm response in other nearby ants.〔
For the larvae and the pupae in the nest to properly develop there needs to be the proper temperature. Several aspects of the nests work together to maintain the proper temperature by regulating moisture, radiation, and even the metabolic heat resulting from the activities of the workers.〔
It is found in Austria, Belgium, Bulgaria, Czech Republic, Finland, France, Germany, Hungary, Italy, Latvia, Lithuania, Luxembourg, the Netherlands, Norway, Poland, Romania, Russia, Serbia and Montenegro, Slovakia, Spain, Sweden, Switzerland, and Ukraine.〔Social Insects Specialist Group 1996〕
== Behavior ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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