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1 August 2009 Pyridine Compounds Increase Thrips (Thysanoptera: Thripidae) Trap Capture in an Onion Crop
M. M. Davidson, R. C. Butler, D.A.J. Teulon
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Abstract

The effect of the thrips (Thysanoptera: Thripidae) lures ethyl isonicotinate, methyl isonicotinate, and ethyl nicotinate on numbers of thrips captured in white water traps in an onion (Allium spp.) crop, in New Zealand, was examined. Female onion thrips, Thrips tabaci Lindeman (69.0%), and Thrips obscuratus Crawford (27.8%) (males and females) were the most common species found in traps in the onion crop. Ethyl isonicotinate, methyl isonicotinate, and ethyl nicotinate caught 18,12, and 4× more onion thrips, respectively, than controls (no-lure). In contrast, traps with ethyl isonicotinate set up in a grass field at the same time as the onion crop trial caught 84× more onion thrips than traps without this lure. For T. obscuratus, traps with ethyl isonicotinate, methyl isonicotinate, and ethyl nicotinate caught 10, 13, and 12× more thrips, respectively, than controls in the onion crop.

© 2009 Entomological Society of America
M. M. Davidson, R. C. Butler, and D.A.J. Teulon "Pyridine Compounds Increase Thrips (Thysanoptera: Thripidae) Trap Capture in an Onion Crop," Journal of Economic Entomology 102(4), 1468-1471, (1 August 2009). https://doi.org/10.1603/029.102.0410
Received: 23 June 2008; Accepted: 1 May 2009; Published: 1 August 2009
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