Adult flies have an extended proboscis and a swollen abdomen (temperature-sensitive phenotype). Flight ability is reduced (non-conditional phenotype). Adults show temperature-sensitive lethality; they die 10-20 days after eclosion at 29oC. Larvae show temperature-sensitive lethality during the second and third instar.
temperature-sensitive L2/L2 larval lethal adults show weak flight, general activity and reduced life span at 25oC. temperature-sensitive swollen abdomen; proboscis extended; flight reduced time of death: 10-20 days after eclosion at 29oC.