So? Similar reason why my toes stay warm in winter; no not sun radiation but warm blood flowing into them.rjlittlefield wrote:No obvious difference between droplets on body and those isolated way out on the wings.
Flies has a blood/circulatory system that pumps blood through the wings.
It seems possible, to me anyway, that if the body is warmed by the sun some heat can get transferred to the wings.
The plant having more mass and being pale would taker a lot longer to heat up and melt the ice.