Sangtongpraow Benjakhun, Charernsom Kosol
Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok 10900, Thailand.
Parasite. 2019;26:8. doi: 10.1051/parasite/2019008. Epub 2019 Feb 22.
Quadrastichus mendeli Kim & La Salle, a parasitoid of Leptocybe invasa Fisher & La Salle, is a uniparental species. This study assessed the biological traits of Q. mendeli in the laboratory at a temperature of 27 ± 1 °C. Diets had a highly significant effect on the mean longevity of female Q. mendeli. Feeding honey solution prolonged the mean longevity of the parasitoid to 4.80 days. The estimated 50% survival period was 3 days. The mean potential fecundity in all ages was 8.85 eggs per female. Age had a highly significant effect on the mean egg load. There was a positive relationship between egg load and female size. The mean of realized fecundity throughout the life span was 2.47 progenies per female. The mean developmental time of Q. mendeli from the egg to adult stage was 27.06 days. The shorter developmental time of Q. mendeli in comparison to its host can be considered a reason for the successful control of L. invasa in Thailand.
门氏潜蝇姬小蜂Quadrastichus mendeli Kim & La Salle是桉树枝瘿姬小蜂Leptocybe invasa Fisher & La Salle的一种寄生蜂，属于孤雌生殖物种。本研究在27 ± 1°C的实验室温度下评估了门氏潜蝇姬小蜂的生物学特性。食物对门氏潜蝇姬小蜂雌蜂的平均寿命有极显著影响。喂食蜂蜜溶液可将该寄生蜂的平均寿命延长至4.80天。估计的50%存活期为3天。所有年龄段的平均潜在繁殖力为每只雌蜂8.85粒卵。年龄对平均怀卵量有极显著影响。怀卵量与雌蜂大小呈正相关。整个寿命期内的平均实际繁殖力为每只雌蜂2.47头后代。门氏潜蝇姬小蜂从卵到成虫阶段的平均发育时间为27.06天。与寄主相比，门氏潜蝇姬小蜂较短的发育时间可被视为其在泰国成功控制桉树枝瘿姬小蜂的一个原因。
