Deletion of the acidic domain, amino acids 260-340.
Causes a thoracic to abdominal transformation weaker than that of Abd-B::DfdHD.hs. 70% of cuticles exhibit a duplicated T1 beard in labial segments. Dorsal-lateral epidermis in abdominal and thoracic segments is somewhat transformed towards an A8 identity, causing ectopic filzkorper and perispiracular hairs.