Behavior and the time of being active of internal ovipositing fig wasps in female floral phase
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Key Words：ficus, fig wasps, female floral phase, biology
Abstract：In Xishuangbanna, both Eupristina sp. and Diaziella yangi enter thefig of Ficus curtipes to reproduce offspring and pollinate the Ficus host. Their behaviors of visiting and entering the receptive fig were comparatively studied, and further their active time inside the fig was also investigated. The results showed that these two wasp species had intraspecific fighting behavior when they looked for the ostiole, and the fight of D. yangi was more drastic. However, there was no inter-specific fight between Eupristina sp. and D. yangi. In all cases the two wasps entered the figs on the same day, D. yangi entered the fig always later than Eupristina sp. When the wasps looked for and entered the ostiole, Eupristina sp. spent more minutes than D. yangi. Inside the fig, oviposition
and pollination period of Eupristina sp. and D. yangi were similar, which it was at most three days. Eupristina sp. and D. yangi showed some similar biological traits in the female floral phase, which is possibly resulted form long-term coevolution between the two wasps and Ficus host.