Multimodal sensory organs in larvae of some insect species |
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Authors: | N A Akent’eva |
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Institution: | 1.Severtsov Institute of Ecology and Evolution,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | The morphological diversity of antennal sensory organs in larvae of Galeruca sp. (Coleoptera, Chrysomelidae), Limnephilus centralis (Trichoptera, Limnephilidae), and Eristalis tenax (Diptera, Syrphidae) was studied. A sensory cone on the antenna was found in all the species studied. The cuticular part of the antennal cone is pierced with pores. No significant differences in the shape of the antennal cone were revealed. The innervation patterns of the antennal cone varied from single cells in the leaf beetle larvae to groups of cells with a common scolopoid sheath in the fly larvae. The cone combines several types of sensilla that perform mechanoreceptor, olfactory, and gustatory functions. The morphology and ultrastructural organization of the antennal cone in relation to the heterogeneity of the larval habitats are described. |
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