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The scout bees are translated from a few employed bees, which abandon their food sources and search new ones. In the ABC algorithm, the first half of the swarm consists of employed bees, and the second half constitutes the onlooker bees. The number of employed bees or the onlooker bees is equal to the number of solutions in the swarm.
Pheromone-based communication is one of the most effective ways of communication which is widely observed in nature. Pheromone is used by social insects such as bees, ants and termites; both for inter-agent and agent-swarm communications. Due to its feasibility, artificial pheromones have been adopted in multi-robot and swarm robotic systems.
Swarm is an open-source agent-based modeling simulation package, useful for simulating the interaction of agents (social or biological) and their emergent collective behavior. Swarm was initially developed at the Santa Fe Institute in the mid-1990s, and since 1999 has been maintained by the non-profit Swarm Development Group .
Swarm (app), a mobile app by Foursquare; Roccat Swarm, a software by Roccat; Swarm intelligence, artificial intelligence technique; Swarm robotics, approach to the coordination of multirobot systems; Swarm (ESA mission), a European Space Agency satellite mission to measure Earth's magnetic field; Swarm (simulation), multi-agent simulation package
Checkerboarding takes advantage of the bee colony's primary motivation, which is survival as survival of the existing colony takes priority over swarm preparation and swarming. Bees will not prepare for a reproductive swarm if they perceive the survival of the existing colony might be jeopardized.
A synthetically produced Nasonov pheromone can be used to attract a honey bee swarm to an unoccupied hive or a swarm-catching box. Synthetically produced Nasonov consists of citral and geraniol in a 2:1 ratio. The Nasonov gland was first described in 1882 by the Russian zoologist Nikolai Viktorovich Nasonov.
Agaricus campestris is a widely eaten gilled mushroom closely related to the cultivated A. bisporus (button mushroom). A. campestris is commonly known as the field mushroom or, in North America, meadow mushroom .
Brown field mushroom, Agaricus cupreobrunneus (Jul.Schäff. & Steer 1939) Pilát 1951. Subgenus Agaricus. Section Agaricus; This is the group around the type species of the genus, the popular edible A. campestris which is common across the Holarctic temperate zone, and has been introduced to some other regions.