Related by context. Frequent words. (Click for all words.) 78 pheromones 53 wasps 51 scent 51 wasp 50 insect 50 hormone 49 moths 49 pollen 49 fruit flies 49 oxytocin 48 scents 48 moth 48 beneficial insects 48 aphids 48 neurotransmitter 47 nematode 47 saliva 47 insects 47 pollinators 47 olfactory 47 bees 46 nematodes 46 norepinephrine 46 insecticide 46 aphid 46 beetles 46 mating 45 estradiol 45 histamine 45 gypsy moths 45 toxin 45 acetylcholine 45 cortisol 44 glutamate 44 serotonin 44 stress hormones 44 rats 44 hypothalamus 44 aroma 43 repellents 43 larvae 43 nicotine 43 adenosine 43 insecticides 43 neurotransmitters 43 fungi 43 pests 43 insect pests 43 estrogen 43 rodents 43 receptors 43 pathogen 43 dopamine 43 capsaicin 43 hormones 43 mosquitoes 42 receptor 42 enzyme 42 ovulation 42 ants 42 sexual arousal 42 gypsy moth 42 DEET 42 active ingredient 42 stink bugs 42 inhibitory 42 neuron 42 caterpillars 42 secretions 42 Drosophila 42 beetle 41 odors 41 molecules 41 fungal 41 musk 41 cannabinoids 41 parasite 41 pest 41 IgE 41 enzymes 41 arousal 41 allergen 41 proteins 41 mice 41 spore 41 weevils 41 larva 41 fungus 41 milkweed 41 immune cells 41 antibodies 40 protein 40 estrogens 40 ovulating 40 honey bees 40 Dopamine 40 skunks 40 signaling pathway 40 gene expression 40 neurons 40 herbicide