maintenance of imaginal histoblast diploidy
The negative regulation of the differentiation of polytenized larval hypodermal cells from abdominal histoblasts. The abdominal histoblasts remain a small cluster of diploid cells among the polytenized larval hypodermal cells.
GO:0045596
negative regulation of cell differentiation
is_a
GO:0007488
histoblast morphogenesis
part_of