Abdominal organs of female woodwasps. a Ventral view of the dissected abdomen of T. apicalis. Typical internal organs, ovaries and mucus glands were easily detected. b Upper left diagonal view of the dissected abdomen of T. apicalis. A mucus reservoir was detected under the mucus glands. c Comparative view of dissected region of abdomens close to the ovipositor. In T. longicollis, the mycangia are recognized as greyish balls located close to the basement of ovipositor. There were no such sac-like structures in T. apicalis. Abbreviations; my: mycangia, mr: mucus reservoir, mg: mucus gland, ov: ovary. Scale bar: 2 mm.