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Observation: Photuris douglasae
Primary Observer:
Elizabeth Shultz
Event Date:
2025-08-03
Status:
Unverified
Survey
Site Name:
Lake Woodruff National Wildlife Refuge Wings Marsh
Province/State:
Florida
Event Date:
2025-08-03
Time of Day:
Night-Time
Start Time:
20:40
End Time:
22:45
Number of Observers:
9
Primary Observer:
Elizabeth Shultz
Additional Observers:
Val Hahn, Rochelle Hood, Natalie Al-Shihabi, Joan Tague, Chelsea LeNoble, John Van Bergen, Christine, Michelle Wilbur
Target Species Genus:
unknown
Target Species Species:
unknown
Location and Habitat
Location Accuracy (meters):
25-50
Habitat Type:
Open Freshwater Wetland - Wetland Bog, fen, freshwater marsh
Habitat Type Notes:
Observers stayed on elevated path that was bordered by the marsh. A lot of saltmarsh mallow, southern live oak trees on elevated area of path, swamp dock, leafy bladderwort, scarlet rose mallow has been observed here, alligator flag
Elevation (meters):
20
Area Searched (hectares):
50
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: No
Street Lights: No
Buildings: No
Artificial Light Types
Sky Glow (diffuse illumination in the sky): No
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): No
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): No
Artificial Light Notes:
Observation
Observation Type:
Flashing
Number Observed:
50+
Genus:
Photuris
Species:
douglasae
Observation Notes:
There were more than 50 fireflies, but fewer fireflies than the last survey on July 22.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:00
Last Flash Time:
22:45
First Flash Temp (F):
81
Last Flash Temp (F):
81
Flashes in Pattern:
1
Flash Color:
Unknown
Flash Pattern Period:
4ish
Flash Duration:
.1
Flash Interval:
4ish
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Over a freshwater marsh
Male Flash Behavior:
Female Flash Behavior:
1 thought on “Observation: Photuris douglasae”
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Tentatively ID-ed as Photuris douglasae, based on size (12 mm), coloration of hind coxae, and shape of pronotal vitta (head shield marking) that is widened at the front, something that Lloyd notes in his description.