Dragonflies

Extremely low genetic diversity in a circumpolar dragonfly species, Somatochlora sahlbergi

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How to date a dragonfly Fossil calibrations for odonates

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Counting the spots a molecular and morphological phylogeny of the spotted darner Boyeria (Odonata Anisoptera Aeshnidae) with an emphasis on European taxa

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Holarctic dragonflies

I started my work on Arctic dragonflies by studying dragonfly Somatochlora sahlbergi, considered to be the northernmost dragonfly species, primarily distributed in the circumboreal region. Most of the populations for this species is distributed along and above the treeline. This species has been largely understudied because of its habitat, yet populations of S. sahlbergi are threatened because of global warming. My collaborators and I have done some incredible field work in the Arctic (in Yukon Territory, Alaska, Sweden, Finland and Norway) to sample this species across its range.

Systematics

I use systematics to study biodiversity in dragonflies with a focus on dragonfly family Aeshnidae, a group that comprises of some of the largest dragonflies. I have particularly concentrated on two genera in this family, Boyeria and Aeshna. Boyeria is distributed in United States, Canada and across the countries around the Mediterranean. My work showed that Boyeria cretensis, found on the island of Crete and Boyeria irene, distributed on mainland Europe and Africa around the Mediterranean, were indeed different species.