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Alkenes as a Sexual Pheromone in the Alfalfa Leaf-Cutter Bee Megachile rotundata
Because of its special biological features, the leaf-cutter bee Megachile rotundata is particularly well suited for breeding and use as a pollinator for fodder plants such as alfalfa. Its matingExpand
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Effect of age and sex on the production of internal and external hydrocarbons and pheromones in the housefly, Musca domestica.
The epicuticular and internal waxes of male and female houseflies were examined by capillary gas chromatography-mass spectrometry at closely timed intervals from emergence until day-6 of adulthood.Expand
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GABA neurons in the rat suprachiasmatic nucleus: Involvement in chemospecific synaptic circuitry and evidence for GAD-peptide colocalization
SummaryDual labelling methods were employed for the electron microscopic detection of glutamate decarboxylase (GAD) immunoreactivity, together with vasoactive intestinal peptide (VIP) or neuropeptideExpand
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Chemical Usurpation of a Nest by Paper Wasp Parasites
The paper wasp Polistes atrimandibularis is an obligatory social parasite of another Polistes species, P. biglumis bimaculatus. To control the host nest, the parasite sequentially changes theExpand
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Striatal NPY‐Containing Neurons Receive GABAergic Afferents and may also Contain GABA: An Electron Microscopic Study in the Rat
Dual labelling methods were applied to localize simultaneously neuropeptide Y (NPY) and glutamate decarboxylase (GAD) immunoreactivities on ultrathin sections of the rat caudate‐putamen (CP). ByExpand
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Selective adaptation of the cuticular hydrocarbon profiles of the slave-making ants Polyergus rufescens Latr. and their Formica rufibarbis Fab. and F. Cunicularia Latr. slaves
Abstract The results of comparisons between the cuticular hydrocarbon mixtures of the slave-making ants Polyergus rufescens, their Formica rufibarbis and F. cunicularia slaves and between slave andExpand
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Morphological correlates of serotonin-neuropeptide Y interactions in the rat suprachiasmatic nucleus: Combined radioautographic and immunocytochemical data
SummaryThe morphological substrate of putative serotonin (5-HT)/neuropeptide Y (NPY) interactions in thé suprachiasmatic nucleus (SCN) was investigated by combined radioautography andExpand
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Mechanism underlying cuticular hydrocarbon homogeneity in the antCamponotus vagus (SCOP.) (Hymenoptera: Formicidae): Role of postpharyngeal glands
The aim of the present study was to investigate the regulation and the homogeneity of the chemical signature between members ofCamponotus vagus after experimentally changing the cuticular chemicalExpand
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High-affinity serotonin binding sites: Autoradiographic evidence for their location on retinal afferents in the rat superior colliculus
High affinity 5-HT binding sites (5-HT1) were labeled in vitro on mounted rat brain slices using [3H]5-HT as a radioligand. In the first stage of experimentation, the bound radioactivity was measuredExpand
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Daily variations in serotonin metabolism in the suprachiasmatic nucleus of the rat: influence of oestradiol impregnation.
In order to determine the temporal relationships between variations in 5-hydroxy-tryptamine (5-HT, serotonin) metabolism in the suprachiasmatic nucleus (SCN) and the cyclic LH surge, and also toExpand
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