Howard County Bird Club

Howard County Bird Club

A Chapter of the Maryland Ornithological Society
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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.

Click on the common name to obtain additional information. 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.

Gorman NRA

Male
June 16, 2003
Gorman NRA
June Tveekrem

Gorman NRA

Male
June 16, 2003
Gorman NRA
June Tveekrem

Old Frederick Road PVSP

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

Old Frederick Road PVSP

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.