SLIDE 1
Département fédéral de l'économie DFE Station de recherche Agroscope Changins-Wädenswil ACW
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.
Hyalesthes obsoletus , vector of bois noir: distribution and host - - PowerPoint PPT Presentation
Hyalesthes obsoletus , vector of bois noir: distribution and host - - PowerPoint PPT Presentation
Dpartement fdral de l'conomie DFE Station de recherche Agroscope Changins-Wdenswil ACW Hyalesthes obsoletus , vector of bois noir: distribution and host plant preferences in Switzerland Patrik Kehrli, Sbastien Kessler, Santiago
SLIDE 2
SLIDE 3
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.
Hyalesthes obsoletus
National survey 2008
667 individuals were found on nettle, 8 on bindweed
SLIDE 4
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.
Cicadella viridis Aphrophora alni Macrosteles quadripunctulatus Reptalus cuspidatus Cicadella viridis Aphrophora alni Macrosteles quadripunctulatus Reptalus cuspidatus
Bois noir
Vector
Of 33 taxa analysed, only Hyalesthes obsoletus was positive for the stolbur 16Sr-XII-A group
Hyalesthes obsoletus
SLIDE 5
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.
Hyalesthes obsoletus
Host plant preferences
Aspirator
10 20 30 40 Urtica Calystegia Polygonum Taraxacum Plantago Clematis Convolvulus Amaranthus Ononis Solanum Vitis N adults/sample a b b b b b b b b b b
Yellow sticky traps
0.4 0.8 1.2 1.6 Urtica Calystegia Convolvulus Cardaria Clematis N adults/trap a a a a a
SLIDE 6
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.
Hyalesthes obsoletus
Host plant preferences
50 100 150 200 Convolvulus Urtica N adults/sample
*
SLIDE 7
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.
Hyalesthes obsoletus
Host plant preferences
SLIDE 8
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.
Hyalesthes obsoletus
Host plant preferences
Location of observed insects
5 10 15 20 C
- nvolvulus
U rtica N adults/observation
***
SLIDE 9
COST Action FA0807 | Sitges 1/2/2010
- P. Kehrli et al.