oviscapt
/ˈəʊvɪskapt/Entomology
noun
In certain insect groups: an ovipositor which is formed by modification of the abdominal segments themselves, rather than by adaptation of abdominal appendages.
Origin
Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist. From French oviscapte from ovi- + ancient Greek σκάπτειν to dig.