Phil Savoie / European honey bee (Apis mellifera) worker at hive entrance emitting Nasonov pheromone from abdominal gland and fanning wings to spread the scent to returning workers, Monmouthshire, Wales, UK. Septem...
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Milan Radisics / European beewolf (Philanthus triangulum) female grooming antennae. The antennae of these species has symbiotic bacteria living in the antennae gland. In females, these glands are involved in the prese...
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Milan Radisics / European beewolf (Philanthus triangulum) grooming antennae. The antennae of these species has symbiotic bacteria living in the antennae gland. In females, these glands are involved in the preservation...
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Jeff Foott / Lodgepole Pine (Pinus contorta) tree with pheromone packet to deter an attack from Mountain Pine Beetle (Dendroctonus ponderosae), Colorado
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Andy Sands / Tanner beetle (Prionus coriarius) female on tree distributing pheromone to attract a male, Surrey, England, UK. August
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Andy Sands / Tanner beetle (Prionus coriarius) female on tree distributing pheromone to attract a male, Surrey, England, UK. August
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Thomas Marent / Atlas Moth (Attacus atlas) antennae of a male, Malaysia
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Neil Aldridge / Vet working for the Endangered Wildlife Trust fastening a pheromone imbued calming collar around the neck of a tranquilized African wild dog (Lycaon pictus), these collars are designed to soothe dogs...
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Neil Aldridge / Vet working for the Endangered Wildlife Trust placing a pheromone imbued calming collar around the neck of a tranquilized African wild dog (Lycaon pictus), these collars are designed to soothe dogs i...
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Alex Hyde / Cockchafer Beetle (Melolontha melolontha) male antenna detail under scanning electron microscope. The surface is studded with sensory cells (yellow) with which it can detect the pheromone signals give...
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Andy Sands / Comma butterfly (Polygonia c-album) at rest with wings closed on Hazel leaf showing comma shaped pheromone gland, Hertfordshire, UK, September
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Christian Ziegler / King Spider Orchid (Caladenia pectinata) flower being visited by male parasitic wasp which is attracted to the flower by faux female wasp pheromone, western Australia