
Howard County Bird Club
A Chapter of the Maryland Ornithological Society

Twin-spotted Spiketail
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. |
Twin-spotted Spiketail Cordulegaster maculata |
2.5-3.0″ | L-Apr — E-Jul Rare. |
|
Habitat: Rapid, small to medium-sized woodland streams w/ sand or gravel substrates; feeds along forest edges. Patrols from 9 a.m. to dusk, peak about 6 p.m., flies near surface of water. Perches on weed stems or twigs at oblique angle, usually within 3′ of ground. |