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Observation: Photuris
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:
unknown
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:
Yellow
Flash Pattern Period:
0.2
Flash Duration:
0.01
Flash Interval:
0.2
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
in freshwater marsh.
Male Flash Behavior:
Extremely fast flash--17 flashes in a 10 second span
Female Flash Behavior:
1 thought on “Observation: Photuris”
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This is a female Photuris, but I’m unfortunately not confident identifying beyond that. (There are about 5 species that fit the criteria of being 15 mm long and having dark or moderately colored hind coxae.) I am curious whether the rapid flashing (flickering) happened before or after you caught this individual. Sometimes rapid strobing is a response to being caught/handled.