Clamp-tipped Emerald

Place name abbreviations: MPEA - Middle Patuxent Environment Area; PRSP - Patuxent River State Park; PVSP - Patapsco River Valley State Park; WMA - Wildlife Management Area.

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Legend:

Species common name
Scientific name
Length (in inches; M and F if different) Flight season
Relative abundance
Habitat.


Clamp-tipped Emerald
Somatochlora tenebrosa
1.9-2.5" L-Jun — M-Oct
Uncommon.
Habitat: Usually feeds 7-10 a.m. over roads and clearings at 6-10', but also in forested undergrowth. Deeply shaded intermittent small forest streams w/ shallow riffles. Most active in early morning/late afternoon to dark. Adults may land on shaded tree trunks.

Clamp-tipped Emerald (M)

Male
June 16, 2003
Gorman NRA
June Tveekrem

Clamp-tipped Emerald (M)

Male
June 16, 2003
Gorman NRA
June Tveekrem

Clamp-tipped Emerald (F)

Female
October 13, 1997
Old Frederick Road, PVSP
Bob Solem

Clamp-tipped Emerald (F)

Female (exuding eggs)
October 13, 1997
Old Frederick Road, PVSP
Bob Solem

When females oviposit into mud, the last segments of the abdomen often show the fact.