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Pest Manag Sci

Title:		Prospects for the control of apple leaf midge Dasineura mali (Diptera: Cecidomyiidae) by mass trapping with pheromone lures
Author(s):		Lo PL; Walker JT; Suckling DM;
Address:		"The New Zealand Institute for Plant and Food Research Limited, Havelock North, New Zealand. The New Zealand Institute for Plant and Food Research Limited, Christchurch, New Zealand"
Journal Title:		Pest Manag Sci
Year:		2015
Volume:		20140813
Issue:		7
Page Number:		907 - 913
DOI:		10.1002/ps.3857
ISSN/ISBN:		1526-4998 (Electronic) 1526-498X (Linking)
Abstract:		"BACKGROUND: Apple leaf midge, Dasineura mali (Kieffer), poses quarantine issues for some apple export markets because larvae occasionally pupate in the stem end and calyx of fruit. Pheromone-baited oil-filled containers were used in 1 ha orchard plots to trap adult male D. mali in order to test the potential for mass trapping to reduce populations. RESULTS: Mass-trapped plots had 97% fewer adult males in pheromone traps and 48% fewer larvae per shoot in the second D. mali generation compared with untreated areas. Oil traps caught on average 900 000 D. mali per plot over 11 weeks during the second and third generations. Catches averaged 9200 per trap at plot corners. By comparison, catches were 51% lower 10-25 m away along borders, 80% lower at the midpoint of borders and 95% lower >7 m from plot edges. Fruit infestation was low (four out of 8000 apples). CONCLUSION: The attractiveness of the pheromone, monophagous habit and low mobility of D. mali enhance the prospects for successful mass trapping. Countering this are high populations, multivoltinism and aspects of mating behaviour. Mass trapping would probably have been more effective had it been in place season long and conducted over successive years. It needs refinements and more study before becoming a feasible control option for D. mali"
Keywords:		Animals *Diptera Insect Control/*methods Larva Male Malus/*parasitology New Zealand *Pheromones Cecidomyiidae Dasineura mali apple leaf midge mass trapping sex pheromone;
Notes:		"MedlineLo, Peter L Walker, James T S Suckling, D Max eng Research Support, Non-U.S. Gov't England 2014/07/22 Pest Manag Sci. 2015 Jul; 71(7):907-13. doi: 10.1002/ps.3857. Epub 2014 Aug 13"