Olfaction in the Colorado potato beetle: ultrastructure of antennal sensilla in Leptinotarsa sp

Olfaction in the Colorado potato beetle: ultrastructure of antennal sensilla in Leptinotarsa sp

Sensillae on the antennae of the Colorado potato beetle, Leptinotarsa decemlineata are described using scanning (SEM) and transmission (TEM) electron microscopy and compared with SEM observations of antennal sensilla in L. haldemani and L. texana. In all the three species, 13 distinct sensillar type...

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Bibliographic Details
Published in:Journal of biosciences Vol. 26; no. 2; pp. 233 - 246
Main Authors: Sen, A, Mitchell, B K
Format: Journal Article
Language:English
Published: India 01-06-2001
Subjects:
Animals
Coleoptera - ultrastructure
Microscopy, Electron
Microscopy, Electron, Scanning
Olfactory Receptor Neurons - ultrastructure
Sensory Receptor Cells - ultrastructure
Smell
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Summary:Sensillae on the antennae of the Colorado potato beetle, Leptinotarsa decemlineata are described using scanning (SEM) and transmission (TEM) electron microscopy and compared with SEM observations of antennal sensilla in L. haldemani and L. texana. In all the three species, 13 distinct sensillar types were identified with a higher density of sensilla in the more polyphagous species, L. decemlineata than in the moderately host specific L. haldemani and the highly host specific L. texana. Cuticular specializations and the predominance of olfactory sensilla are discussed in relation to host specificity in the three species.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0250-5991
DOI:10.1007/BF02703647