Homozygous females lay no eggs. The endochorion has occasional defects, and the respiratory appendages are abnormal.
Homozygous females lay few or no eggs and show defects in oogenesis during choriogenesis. Follicles of homozygous females have minor defects in the endochorion (the defects are seen only in some areas of the eggshell) and have defective respiratory appendages.
Oviposition of few if any eggs. Various defects in respiratory appendages and chorionic architecture of hand dissected eggs.
Germ line clonal analysis shows that fs(1)ne4a is germ line-dependent.