They live in a nest ruled by a queen who is helped by smaller female (worker) bumblebees. Spring. The lifecycle begins in spring, when rising temperatures awaken a queen bumblebee that has been hibernating alone in the soil.
The list of signs and symptoms mentioned in various sources for Diabetic Retinopathy includes the 6 symptoms listed below: 1  Blurred vision. 2  Flashes. 3  Floaters. Retinal bleeding.  Vision 1  impairment. People with known cases of long standing diabetes complain of blurring of vision.  more information...Â».
Diabetic retinopathy is caused by damage from diabetes to blood vessels of the retina. The retina is the layer of tissue at the back of the inner eye. It changes light and images that enter the eye into nerve signals, which are sent to the brain.