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Diversity of olfactory structures: A comparative study of antennal sensilla in Trichoptera and Lepidoptera

Yuvaraj, Jothi Kumar LU ; Andersson, Martin N LU ; Anderbrant, Olle LU and Löfstedt, Christer LU (2018) In Micron p.9-18
Abstract
The antenna is the main sensory organ of insects, housing different types of sensilla dedicated to detect chemical
cues, motion, humidity and temperature. Sensilla are divided into different types based on their wall structure
and morphology. Among the olfactory sensilla, there is an enormous variation in the numbers and morphological
types present in different insect taxa. The reasons for this variation remain obscure, though there may be a
correlation between sensillum morphology and the characteristics of the stimulus that the olfactory sensory
neurons inside the sensillum detect. Here, we report the first comparative analysis of the morphology and ultrastructure
of sensilla from Rhyacophila nubila... (More)
The antenna is the main sensory organ of insects, housing different types of sensilla dedicated to detect chemical
cues, motion, humidity and temperature. Sensilla are divided into different types based on their wall structure
and morphology. Among the olfactory sensilla, there is an enormous variation in the numbers and morphological
types present in different insect taxa. The reasons for this variation remain obscure, though there may be a
correlation between sensillum morphology and the characteristics of the stimulus that the olfactory sensory
neurons inside the sensillum detect. Here, we report the first comparative analysis of the morphology and ultrastructure
of sensilla from Rhyacophila nubila (Rhyacophilidae: Trichoptera) and three species of Lepidoptera,
Eriocrania semipurpurella (Eriocraniidae), Lampronia capitella (Prodoxidae), and Bicyclus anynana (Nymphalidae),
which use different chemical types of pheromones. Our results, together with a thorough literature review,
suggest a shift in major types of olfactory sensilla, from a high proportion of sensilla placodea or auricillica in
Trichoptera and the most basal moth lineages (including Eriocraniidae), respectively, to sensilla trichodea in the
more derived Lepidoptera (including Prodoxidae and the Ditrysia clade), which parallels the change in the types
of sex pheromones used. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
sensillum, sex pheromone, ultrastructure, antenna, olfaction
in
Micron
pages
9 - 18
publisher
Elsevier
external identifiers
  • scopus:85047264779
ISSN
1878-4291
DOI
language
English
LU publication?
yes
id
83784cb4-db6e-4e4d-8dff-9d35d994be5e
date added to LUP
2018-05-29 14:35:00
date last changed
2018-06-03 05:07:05
@article{83784cb4-db6e-4e4d-8dff-9d35d994be5e,
  abstract     = {The antenna is the main sensory organ of insects, housing different types of sensilla dedicated to detect chemical<br/>cues, motion, humidity and temperature. Sensilla are divided into different types based on their wall structure<br/>and morphology. Among the olfactory sensilla, there is an enormous variation in the numbers and morphological<br/>types present in different insect taxa. The reasons for this variation remain obscure, though there may be a<br/>correlation between sensillum morphology and the characteristics of the stimulus that the olfactory sensory<br/>neurons inside the sensillum detect. Here, we report the first comparative analysis of the morphology and ultrastructure<br/>of sensilla from Rhyacophila nubila (Rhyacophilidae: Trichoptera) and three species of Lepidoptera,<br/>Eriocrania semipurpurella (Eriocraniidae), Lampronia capitella (Prodoxidae), and Bicyclus anynana (Nymphalidae),<br/>which use different chemical types of pheromones. Our results, together with a thorough literature review,<br/>suggest a shift in major types of olfactory sensilla, from a high proportion of sensilla placodea or auricillica in<br/>Trichoptera and the most basal moth lineages (including Eriocraniidae), respectively, to sensilla trichodea in the<br/>more derived Lepidoptera (including Prodoxidae and the Ditrysia clade), which parallels the change in the types<br/>of sex pheromones used.},
  author       = {Yuvaraj, Jothi Kumar and Andersson, Martin N and Anderbrant, Olle and Löfstedt, Christer},
  issn         = {1878-4291},
  keyword      = {sensillum,sex pheromone,ultrastructure,antenna,olfaction},
  language     = {eng},
  month        = {05},
  pages        = {9--18},
  publisher    = {Elsevier},
  series       = {Micron},
  title        = {Diversity of olfactory structures: A comparative study of antennal sensilla in Trichoptera and Lepidoptera},
  url          = {http://dx.doi.org/},
  year         = {2018},
}