Observation: Photuris tremulans
Primary Observer:
Michelle Wilcox
Event Date:
2025-06-06
Status:
Unverified
Survey
Site Name:
Undisclosed
Province/State:
South Carolina
Event Date:
2025-06-06
Time of Day:
Night-Time
Start Time:
23:30
End Time:
00:00
Number of Observers:
5
Primary Observer:
Michelle Wilcox
Additional Observers:
Thomas Clawson, Brad O'Brien, Todd Johnson, Brad Watkin
target_species_genus:
photuris
target_species_species:
forresti
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Both riparian and forested wetland. Buffalo Creek crosses Division Road here. Pine, mixed hardwood canopy. Forested wetland on either side of creek.
Elevation (meters):
68
Area Searched (hectares):
0.4
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): Yes
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:
With Flash Data
Number Observed:
11-50
genus:
photuris
Species:
tremulans
Observation Notes:
Not at all sure of identification. Probably should put 'unknown' species.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
23:30
Last Flash Time:
00:00
First Flash Temp (F):
75
Last Flash Temp (F):
74
Flashes in Pattern:
1
Flash Color:
White
Flash Pattern Period:
4
Flash Duration:
0.2
Flash Interval:
3-4
Male Height Zone:
High (over 8 ft)
Flash Location:
Forest edge of road. 30 feet up, some others 7 feet up.
Male Flash Behavior:
Moves a foot between flashes. Flashes emphatically. 2 flashes in 1 spot, then it moves for a 3rd flash.
Female Flash Behavior:
?
1 thought on “Observation: Photuris tremulans”
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Given the flash pattern period and time of year, Photuris tremulans is a very reasonable guess!