Melanotic tumours can be detected in the female abdomen, exclusively in the vicinity of the spermathecae. Female flies that die have a higher incidence of melanotic tumour development than living female siblings.
Melanotic tumours form in females and develop in the vicinity of spermathecae. Mortality of old female flies carrying melanotic tumours is much higher than that of non-carriers of tumours.
Mutants develope melanotic tumors in adult females, usually in the vicinity of spermathecae.
Tumours are present in the abdominal cavities of females mainly in the vicinity of the spermathecae. Tumours develop as the fly gets old. Female adults are viable although fertility is reduced. Tumours so far have not been observed in males.
The C-104 strain exhibits spontaneous sex mosaicism. Almost completely bilateral gynandromorphs to partial ones are seen.
Isolated from: Szentendre, Budapest, Hungary population (as single female).
Isolated from: Budapest, Hungary population.