Observation: Photinus macdermotti
Primary Observer:
Gini Bell
Event Date:
2026-05-28
Status:
Unreviewed
Survey
Site Name:
Home
Province/State:
North Carolina
Event Date:
2026-05-28
Time of Day:
Night-Time
Start Time:
20:37
End Time:
20:50
Number of Observers:
1
Primary Observer:
Gini Bell
Additional Observers:
NA
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
mowed grass surrounded by pine forest- lots of fireflies in the woods, a few ventured onto the lawn too
Elevation (meters):
143.3
Area Searched (hectares):
0.0025335588
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: No
still light out/dusk
Street Lights: No
Buildings: No
still light out/dusk
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:
None
Observation
Observation Type:
With Flash Data
Number Observed:
11-50
genus:
photinus
Species:
macdermotti
Observation Notes:
not sure about the species. pictures aren't great. about 12mm in length
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:37
Last Flash Time:
20:45
First Flash Temp (F):
77
Last Flash Temp (F):
76
Flashes in Pattern:
2
Flash Color:
Yellow
Flash Pattern Period:
5.5
Flash Duration:
.5
Flash Interval:
1
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft)
Flash Location:
over the yard, mowed grass with oaks and pine forest nearby where many more were flashing
