Table 1.

Characteristics of the temperature sensitive tsr139 and tsrV27Q mutations

TemperatureEmbedded ImageEmbedded Image; Embedded ImageEmbedded Image; Embedded ImageEmbedded Image; Embedded Image
16°CLethal 1st instarPupal lethal adult escapers (0/73)Pupal lethal adult escapers (0/66)Adult progeny fertile females males escapers (25/231)
18°CLethal 1st instarPupal lethal adult escapers (5/913) two malesPupal lethal adult escapers (1/1153) one maleAdult progeny fertile females males escapers (129/1481) two males
25°CLethal 1st instarFew 2nd instar larvaeFew 2nd instar larvaeFew pupae
29°CLethal 1st instarLethal 1st instarLethal 1st instarLethal 1st instar
  • Transheterozygous adults for the mutations tsrV27Q and tsr139 survive and are relatively healthy at 16°C and 18°C, but few animals survive to the late pupal stage at 25°C.