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Sparse sensillar array on Trioza apicalis (Homoptera, Triozidae) antennae—an adaptation to high stimulus levels?

Kristoffersen, Lina LU ; Hallberg, Eric LU ; Wallén, Rita LU and Anderbrant, Olle LU (2006) In Arthropod Structure & Development 35(2). p.85-92
Abstract
To investigate the morphological basis for olfactory reception in the carrot psyllid (Trioza apicalis) we used scanning and transmission electron microscopy. Our study reveals a very sparse sensillar setup. We identify and describe several different types of single-walled sensilla likely to have an olfactory function, as well as mechanosensory hairs and intracuticular sensilla. A T. apicalis antenna is about 0.6 mm long and has 10 segments. Apically on the flagellum there are two conspicuous multi-porous single-walled bristles. There are six cuticular cavities on the flagellum; two smaller on the apical flagellomere, and four larger located on the lateral side of the antenna on flagellomeres 2, 4, 6 and 7. Each cavity contains two sensilla... (More)
To investigate the morphological basis for olfactory reception in the carrot psyllid (Trioza apicalis) we used scanning and transmission electron microscopy. Our study reveals a very sparse sensillar setup. We identify and describe several different types of single-walled sensilla likely to have an olfactory function, as well as mechanosensory hairs and intracuticular sensilla. A T. apicalis antenna is about 0.6 mm long and has 10 segments. Apically on the flagellum there are two conspicuous multi-porous single-walled bristles. There are six cuticular cavities on the flagellum; two smaller on the apical flagellomere, and four larger located on the lateral side of the antenna on flagellomeres 2, 4, 6 and 7. Each cavity contains two sensilla and there are three varieties of cavity sensilla. Mechano- and chemosensory hairs appear in low numbers on all segments but the third. Carrot psyllids most likely use olfactory cues to locate their rather strongly smelling host plants, and we argue that the low number of olfactory sensilla found in this insect may accommodate high concentrations of odour stimuli. There is no sexual dimorphism in the sensillar setup. In concordance with this, no sex pheromones have been described in the Psylloidea so far. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Arthropod Structure & Development
volume
35
issue
2
pages
85 - 92
publisher
Elsevier
external identifiers
  • wos:000239913000002
  • pmid:18089061
  • scopus:33746263716
ISSN
1467-8039
DOI
10.1016/j.asd.2006.04.001
project
Chemical ecology of psyllids
language
English
LU publication?
yes
id
e79bcfdf-4e5a-410c-ab3d-7c2c0c6776de (old id 162592)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/18089061
http://www.sciencedirect.com/science/article/pii/S1467803906000168
date added to LUP
2016-04-01 16:55:07
date last changed
2020-09-23 15:06:57
@article{e79bcfdf-4e5a-410c-ab3d-7c2c0c6776de,
  abstract     = {To investigate the morphological basis for olfactory reception in the carrot psyllid (Trioza apicalis) we used scanning and transmission electron microscopy. Our study reveals a very sparse sensillar setup. We identify and describe several different types of single-walled sensilla likely to have an olfactory function, as well as mechanosensory hairs and intracuticular sensilla. A T. apicalis antenna is about 0.6 mm long and has 10 segments. Apically on the flagellum there are two conspicuous multi-porous single-walled bristles. There are six cuticular cavities on the flagellum; two smaller on the apical flagellomere, and four larger located on the lateral side of the antenna on flagellomeres 2, 4, 6 and 7. Each cavity contains two sensilla and there are three varieties of cavity sensilla. Mechano- and chemosensory hairs appear in low numbers on all segments but the third. Carrot psyllids most likely use olfactory cues to locate their rather strongly smelling host plants, and we argue that the low number of olfactory sensilla found in this insect may accommodate high concentrations of odour stimuli. There is no sexual dimorphism in the sensillar setup. In concordance with this, no sex pheromones have been described in the Psylloidea so far.},
  author       = {Kristoffersen, Lina and Hallberg, Eric and Wallén, Rita and Anderbrant, Olle},
  issn         = {1467-8039},
  language     = {eng},
  number       = {2},
  pages        = {85--92},
  publisher    = {Elsevier},
  series       = {Arthropod Structure & Development},
  title        = {Sparse sensillar array on <i>Trioza apicalis</i> (Homoptera, Triozidae) antennae—an adaptation to high stimulus levels?},
  url          = {http://dx.doi.org/10.1016/j.asd.2006.04.001},
  doi          = {10.1016/j.asd.2006.04.001},
  volume       = {35},
  year         = {2006},
}