The Bioecology Characteristics Of Emerald Ash Borer

The emerald ash borer (EAB), Agrilus planipennis Fairmaire (Coleoptera: Buprestoidea), is an important wood-boring beetle attacking ash trees (Oleaceae: Fraxinus). EAB larvae feed on phloem cambium, and shallow sapwood under ash tree bark. So it is difficult to detect.From 2004 to 2006, we studied the bioecology characteristics of EAB, the results were as follows:(1) The larvae of EAB distributed in a negative binomial fashion in horizon.(2) The different color trap effect is yellow better than green, green better than purple in turn. To compare the trap effect at the different height, the trap effect at 1～1.5meter hight is better, to compare the trap effect in the forest interior with the forest edge, the difference is no obvious.(3) The female EAB may oviposite on ash tree, the number of inocalution EAB was a crucial factor, to ensure inocalution experimentation.(4) The domestic ash tree species was better than introduded one to resist EAB.(5) To compare the prevention and cure effect of mixing ash tree, the infestation ofEAB lighten obviously, the effect is obvious.