alternative definition added over 12 years ago by Kelly Dew
The longitudinal sulcus that is situated on the ventral surface of the propectus and corresponds to the prodiscrimenal lamella.
Reference: Karlsson, D., and F. Ronquist. 2012. Skeletal Morphology of Opius dissitus and Biosteres carbonarius, with a Discussion of Terminology and Morphological Variation in Opiinae (Hymenoptera: Braconidae). PLoS ONE 7:1-38.
Cross reference:
None provided.