Article
Host races in Chaetostomella cylindrica (Diptera: Tephritidae): genetic and behavioural evidence.
Bulletin of entomological research - 1 Aug 2009
Smith C A, Al-Zein M S, Sayar N P, Knio K M
Abstract excerpt
The highly oligophagous tephritid Chaetostomella cylindrica infests the flower heads of six genera and ten species of thistles in Lebanon. It predominantly utilizes two hosts occurring in sympatry, Notobasis syriaca and Onopordum illyricum. Previous work showed that adult flies emerging from N. syriaca fit more closely the description of the species, particularly with respect to the colour and pattern on the...
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