I found that the appearance of these lived in the si speed is related to the physical factors of the water source. The presence of insects in black and aureolhirtum S. Rin.
Found that the presence of the species. These habitats are associated with factors of water resources. The presence of insects, black fly S. aureolhirtum.
The appearance of the teeth. In these habitats associated with physical factors of water resources, the appearance of black S insects midges. Aureolhirtum.