Volume 10 Issue 2
Mar.  1989
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DONG Da-zhi, WANG Yun-zhen. A preliminary study on the biology of wasps Vespavelutina auraria Smith and Vespatropica ducalis Smith (Hymenoptera:Vespidae). Zoological Research, 1989, 10(2): 155-162.
Citation: DONG Da-zhi, WANG Yun-zhen. A preliminary study on the biology of wasps Vespavelutina auraria Smith and Vespatropica ducalis Smith (Hymenoptera:Vespidae). Zoological Research, 1989, 10(2): 155-162.

A preliminary study on the biology of wasps Vespavelutina auraria Smith and Vespatropica ducalis Smith (Hymenoptera:Vespidae)

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1989-05-22
  • The present paper deals with the biology of wasps Vespa velutina auraria Smith,V.tropica ducalis Smith.In Kunming they could have three generations a year and overwinters in the holes of trees and soil.These Wasps complete their life cycle in laboratory at 14-15℃,the relative humidity at 43-89% between 33-53 days,in which the egg stage 9-15 days,the larval stage 10-18 days,and pupal stage 15-20 days.The longivity of workers is 24-142 days,and 4-60 days for males.The queens emerge in March and nest-building in April-May.They only do two times of nest-building in their life cycles,first,is bencath soil surface,usually in abandoned rodent burrow,second,on the tree,but for somes,their life-cycles and all within the soil.Nests are typically built in the spring by a single female.The first offspring are all workers,mating of the new queen with the males in October-November,and then the inseminated queens hibernate in the last ten-days of November.The Wasps could build their nests under the control of artificial conditions.Their important natural enemies are the parasites,Stylopidae and Tachinidae.
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