You find a tabanidae that is 6-11 mm long, has long antennae, three ocelli, and distinctly banded wings. this is commonly known as a(n) fly.

Commonly known as deer flies.  Tabanidae females inject chrysoptin into a feeding wound, which acts as an anticoagulant. Deer flies (Tabanidae) most commonly feed on the head and neck of the host. Tabanidae adults feed on the fecal matter of the insect order Hemiptera. 

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).