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An Inhibitory Sex Pheromone Tastes Bitter for Drosophila Males
Sexual behavior requires animals to distinguish between the sexes and to respond appropriately to each of them. In Drosophila melanogaster, as in many insects, cuticular hydrocarbons are thought toExpand
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Orchid Mimics Honey Bee Alarm Pheromone in Order to Attract Hornets for Pollination
Approximately one-third of the world's estimated 30,000 orchid species are deceptive and do not reward their pollinators with nectar or pollen. Most of these deceptive orchids imitate the scent ofExpand
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Orchids Mimic Green-Leaf Volatiles to Attract Prey-Hunting Wasps for Pollination
An outstanding feature of orchids is the diversity of their pollination systems [1]. Most remarkable are those species that employ chemical deceit for the attraction of pollinators [2]. The orchidExpand
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Ménage À Trois—Two Endemic Species of Deceptive Orchids and One Pollinator Species
In the sexually deceptive orchid genus Ophrys, reproductive isolation is based on the specific attraction of males of a single pollinator species by mimicking the female species-specific sexExpand
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Reproductive competition in the bumble-bee Bombus terrestris: do workers advertise sterility?
Reproductive competition in social insects is generally mediated through specific fertility pheromones. By analysing Dufour's gland secretion in queens and workers of Bombus terrestris under varyingExpand
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Fertility signals in the bumblebee Bombus terrestris (Hymenoptera: Apidae)
In eusocial Hymenoptera, queen control over workers is probably inseparable from the mechanism of queen recognition. In primitively eusocial bumblebees (Bombus), worker reproduction is controlled notExpand
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Spitting out information: Trigona bees deposit saliva to signal resource locations
Stingless bees of the species Trigona spinipes (Fabricius 1793) use their saliva to lay scent trails communicating the location of profitable food sources. Extracts of the cephalic labial glands ofExpand
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Production of sexuals in a fission-performing ant: dual effects of queen pheromones and colony size
Models based on the kin selection theory predict that in social hymenopterans, queens may favor a lower investment in the production of sexuals than workers. However, in perennial colonies, thisExpand
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Comparison of the flower scent of the sexually deceptive orchid Ophrys iricolor and the female sex pheromone of its pollinator Andrena morio
Summary.Ophrys flowers mimic the female produced sex pheromone of their pollinator species to attract males for pollination. The males try to copulate with the putative female and thereby pollinateExpand
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Workers Make the Queens in Melipona Bees: Identification of Geraniol as a Caste Determining Compound from Labial Glands of Nurse Bees
Reproductive division of labor in advanced eusocial honey bees and stingless bees is based on the ability of totipotent female larvae to develop into either workers or queens. In nearly all species,Expand
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