Observations of the insect by previous researchers revealed that unlike other wasps that are more active in the early morning, the Oriental hornet is most active in the middle of the day.
研究人员观察东方大黄蜂，发现它们在每天中午是越活跃的，而不象其他黄蜂在早晨就很积极的。
2
Plotkin's late mentor Jacob Ishay made the discovery after observing that the insect is active when the sun is most intense—unusual for hornets.
By IFA, ELISA and Western blot experiments, it was proved all the recombinant baculoviruses containing SO. 7 segment could express biologically active proteins in insect cells.