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Electron microscopic studies on the palpi of Cybister fimbriolatus fimbriolatus (Say)
The maxillary palpi of the predaceous diving beetle Cybister fimbriolatus fimbriolatus Say were observed by transmission and scanning electron microscopy. Scanning electron microscopy shows at least two types of sensilla at the tip of palp, which are referred to as “circumvallate and naked sensilla”. The former are innervated with outer segments of distal processes of sensory cells, but the latter are provided only with chitin and cuticular substances.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/47659/1/441_2004_Article_BF00330709.pd