Wing veins L2 and L3 narrowed, sometimes fused; wing wavy.
Dhyd\Rdi1/+ Dhyd\confluent1/+ distal crossvein very thick. Dhyd\Rdi1/+ Dhyd\confluent1/Dhyd\confluent1 very thick fused, wing veins L1, L2 and L3, forming broad anterior rim to wing; wing veins L4 and L5 fused, often with blisters in region of distal crossvein.
H. Frei, 72c.