visible
crossvein
wing
wing vein
wing vein L2
RK2.
Rank: RK2 Medium allele. Wing vein L2 is consistently thickened, slight deltas are seen at the wing margin and the crossveins are inconsistently thickened.
Weak allele.
Curry, 6th April 1940.
Curry, 6th Apr. 1940
Arose in: a sv1 stock.