Imprecise excision of P{EP}D1EP473, resulting in deletion of D1 sequence distal to the original P{EP}D1EP473 insertion, extending into ird1. D1 RNA is detectable in Df(3R)D170-7/Df(3R)D1C12w- ovaries.
Df(3R)D170-7/Df(3R)BSC24 adult flies are not viable.
Inferred to overlap with: Df(3R)BSC24.