Structural organization of the brain and subesophageal ganglion of male Aedes aegypti (L.) (Diptera : Culicidae) |
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| Affiliation: | 1. Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, P.O. Box 9424, 1090 GE Amsterdam, The Netherlands;2. Laboratory of Agrozoology, Department of Crop Protection, Faculty of Bioscience Engineering, Coupure Links 653, Ghent University, B-9000 Ghent, Belgium;3. Research and Development Division, Nippon-soda Co., Ltd., 2-2-1 Ohtemach, Chiyoda-ku, Tokyo 100-8165, Japan;4. Bayer CropScience AG, Research Pest Control, Alfred Nobel Str. 50, D-40789 Monheim, Germany;1. Rickettsial Zoonoses Branch, Division of Vector-Borne Diseases, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States;2. Department of Biological Sciences, Old Dominion University, Norfolk, VA, United States;3. Department of Entomology and Plant Pathology, Oklahoma State University, Stillwater, OK, United States;4. Department of Wildlife, Humboldt State University, Arcata, CA, United States;1. Dow AgroSciences, Discovery Research, 9330 Zionsville Road, Indianapolis, IN 46268, USA;2. Bayer CropScience AG, R&D Pest Control Biology, Alfred-NobelStr. 50, 40789 Monheim, Germany |
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| Abstract: | The brain and subesophageal ganglion of male Aedes aegypti (L.) (Diptera : Culicidae) are described from cryofractures and silver-stained, semithin (0.5 μm) serial sections of whole heads observed in the scanning and light microscopes. The brain and subesophageal ganglion of male A. aegypti are fused. The major structures of the brain include the protocerebral lobes and bridge, the mushroom bodies, central complex of the protocerebrum, the mechanosensory regions and olfactory loves of the deutocerebrum, and the tritocerebrum. Major commissures of the brain are the anterior optic tract, central commissure, posterior dorsal commissure, and subesophageal commissure. The structural associations of brain components with each other and the subesophageal ganglion, as well as the paths of the major nerve tracts in male A. aegypti are described and compared with those in other Diptera. |
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