When investigated the chromosome behavior of T.pretiosum, there were a lot of fluorescing particles which were Wolbahcia located mostly at the posterior end of the egg.

• 对其染色体行为进行观察，在短管赤眼蜂卵的后端可见许多被染色的小颗粒，它们为Wolbahcia细菌小颗粒。