Lethal in combination with dpolM.
Oblique wing phenotype (o). Thoracic vortex phenotype (v). dpolv/dpov1 has reduced body and leg size; wings shortened to half length and obliquely truncated; thorax shows two and sometimes four vortices; comma effect strong; sternopleural bristles turned down; wings often elevated 45o and sometimes contain black blisters. Body reduction also seen in compound with dpo2 but not with dpv2. RK2.
Morgan, 1923.