The Hines Emerald is a rare Somatochlora that is found in Eastern Wisconsin. They are the only dragonfly that is on the Endangered Species List. They are mostly dark with 2 yellow thoracic stripes. Males have large clamp style claspers and females have long subgenital plates that hang down at a 45° angle
The Hines Emerald is most active in the late morning, although on warm days they can be out around sunrise. Hunting usually takes place in open clearings away from the breeding habitat. Hines Emeralds will also join in mixed Emerald feeding swarms, typically in the afternoon or evening
Spring-fed seepages over limestone or dolomite, seasonally dry marshes and fens
Males patrol their territory, flying slowly below head height, stopping to hover often and chasing away any competing males. Females lay eggs by tapping abdomen into shallow water or wet muddy clay. Females abdomen may turn white from clay residue left from ovipositing
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Range maps and checklists courtesy of Odonata Central. Copyright © 2016 OdonataCentral. All Rights Reserved. Abbott, J.C. 2006-2018. OdonataCentral: An online resource for the distribution and identification of Odonata. Available at www.odonatacentral.org.