The cancer: 1  is found by needle biopsy (done for a high PSA level) or in a small amount of tissue during surgery for other reasons (such as benign prostatic hyperplasia). The PSA level is lower than 10 and the Gleason score is 6 or lower; or. 2  is found in one-half or less of one lobe of the prostate.
Harmless. Black soldier flies (BSF) are a widespread, harmless, and beneficial insect. BSF can not bite or sting, and unlike pest flies, they are not vectors of human diseases.This is due to their unique life cycle.armless. Black soldier flies (BSF) are a widespread, harmless, and beneficial insect. BSF can not bite or sting, and unlike pest flies, they are not vectors of human diseases.
Drain flies are small flies, about 1/8th inch. They are usually black, but may be brown. The key identifying trait for this fly is the unique pattern of veins in its wings.*. Drain Flies are also called moth flies, sewer flies or filter flies. Their bodies and wings are covered with numerous hairs.nspect and Clean-Breeding Sites. 1  These flies typically breed in drains, hence the common name of drain flies. 2  This is a good place to begin inspection. 3  They live off debris in the form of a humid film on the drain sides and in the drain trap.