The medium-sized, dark brown striped emeralds have some pale markings on the thorax and abdomen, black legs, clear wings and brilliant green eyes. The thorax has a metallic bronze-green sheen and the abdomen is dark metallic black-green. Most species are uncommonly seen, but this may be largely due to their secretive nature. When flying, most species look alike which is why in-hand identifications of their anatomical features are often needed.
Varying from 2.3 to 2.5 inches long, this large emerald has 2 bright yellow lateral stripes on the thorax. The face is yellow. Some females' wings are tinted brown.
The Hine's emerald has a very limited range, and some of its habitats are in danger of being developed. They can be found in eastern Wisconsin, Michigan, and a few other states to the south. They prefer seasonally dry marshy fens, especially spring-fed seepages over limestone bedrock, usually with narrow-leaved cattails or sedges.
Late June to late August in Wisconsin.