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Short‐distance attraction of saproxylic Heteroptera to olfactory cues

Title data

Koban, Marcel B: ; Gossner, Martin M. ; Müller, Jörg ; Steidle, Johannes L. M. ; Bässler, Claus ; Hothorn, Torsten ; Unsicker, Sybille B. ; Seibold, Sebastian:
Short‐distance attraction of saproxylic Heteroptera to olfactory cues.
In: Insect Conservation and Diversity. Vol. 9 (2016) Issue 3 . - pp. 254-257.
ISSN 1752-458X
DOI: https://doi.org/10.1111/icad.12161

Abstract in another language

1. As dead wood is ephemeral, saproxylic insect species must be able to effectively locate new resources via, e.g. olfactory cues.
2. Although saproxylic flat bugs feed on fungal mycelia, published evidence points to their use of dead wood-specific volatile cues rather than fungal-specific cues for long-distance orientation towards new habitat patches.
3. To evaluate which olfactory cues saproxylic flat bugs use for short-distance orientation, we tested the attraction of Aradus obtectus (Vasarhelyi) to fresh wood, fungal mycelia and fungal fruiting bodies using an olfactometer.
4. Aradus obtectus individuals were attracted only to fungal mycelia but not to wood or fungal fruiting bodies.
5. Our results and those of our earlier field experiment testing long-distance attraction (Seibold et al., 2014) together suggest that A. obtectus uses cues emitted by dead wood to locate potential resources over long distances, but relies on olfactory cues emitted by mycelia of its host species to locate suitable short-range microhabitats.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Fungal Ecology > Chair Fungal Ecology - Univ.-Prof. Dr. Claus Bässler
Research Institutions > Central research institutes > Bayreuth Center of Ecology and Environmental Research- BayCEER
Result of work at the UBT: No
DDC Subjects: 500 Science > 550 Earth sciences, geology
500 Science > 570 Life sciences, biology
Date Deposited: 12 Nov 2024 12:45
Last Modified: 12 Nov 2024 12:45
URI: https://eref.uni-bayreuth.de/id/eprint/91065