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Somatochlora hudsonica (Hudsonian Emerald)BC conservation rank: S5. Yellow List.Description: Very similar to S. albicincta, but larger. The thorax sides are brassy green with one tan, blunt-tipped bar that can be indistinct. The abdomen has narrow white rings. Male's appendages, fig. 13l; vulvar lamina, fig. 14l. Length: male 52 mm, female 52 mm. Global Range: Alaska east through the Northwest Territories to northwestern Ontario; south, at high elevations in the Rocky Mountains, to Colorado. Faunal element: Western Boreal (see Appendix 2). BC Distribution: Widespread east of the Coast Mountains; not recorded in the Columbia-Kootenay region, but known from the Alberta Rockies. Biology: Uncommon in most of its BC range, especially in the south, where it lives at higher elevations. Breeds in deep, sedge-bordered lakes and ponds (Wm01-02, Wm06; Wf01) and in peatland ponds (Wf01, Wf06). The males patrol the outer edge of the emergent vegetation. BC flight period: early June to mid September; collections range from early June to mid August.
Somatochlora hudsonica Map 3. Frequency of records in British Columbia by NTS 1/50,000 mapsheet. |
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