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脐腹小蠹以幼虫蛀食榆树韧皮部与木质部边材。该虫在我省定边一年2—3代,发育期各虫态不整齐。以成虫和幼虫在蛀道内越冬。成虫有重复交尾现象,雌雄性比为1∶0.94。幼虫期有长茧寄蜂生。
Eupolyphaga beetles larvae eel elm phloem and wood sapwood. The insects in our province Dingbian 2-3 generations a year, the development of the bugs are irregular. To adults and larvae in the tunnel winter. Adults have repeated mating phenomenon, male and female ratio of 1:0.94. Larvae have long cocoon sentinel.