THE GENETICS OF HABROBRACON JUGLANDIS ASHMEAD 



that had been X-rayed (dosage about 2100 R 

 units). Narrow cuts off irregular slices of 

 both wings on costal and inner margins. It is 

 somewhat variable but does not overlap with 

 type. It is of good viability and fertility in 

 the male, but females are apparently sterile. 

 (Discarded) 



V/AVY, wa (wings). Wavy appeared in June, 1930, 

 from a wild-type female that had been mated to 

 an X-rayed wild-type male (dosage about 2740 R 

 units). Wings of wavy are shortened, showing 

 transverse waves which are especially notice- 

 able near the distal part of the costal margin. 

 Antennae are usually normal, but in many cases 

 one or both become markedly depigmented dis- 

 tally, the segments tending to drop off. Fer- 

 tility and viability of males are good, but fe- 

 males are somewhat weak. 



VESTIGIAL, v (wings). Vestigial is a wing mu- 

 tation found in August, 1930. A virgin mother 

 produced a number of vestigial winged males. 

 Vestigial is semilethal, many wasps dying be- 

 fore eclosion. Fertility in the males that 

 eclose is good, and many of them live a normal 

 length of time. (Discarded) 



SPREAD, sp (wings). This mutation appeared in 

 May, 1930, from a male fraternity of orange 

 stock. Eight males with wings spread out to 

 the sides were observed. Further examination 

 showed that these males had light areas on the 

 raesopleura in the position of insertion of the 

 directive wing muscles. The v;ings themselves 

 are normal, and the defect is probably muscu- 



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