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Observation: Photinus ignitus
Primary Observer:
Renaldo Browne
Event Date:
2025-08-17
Status:
Unverified
Survey
Site Name:
OPEN FIELD HABITAT (2025)
Province/State:
Virginia
Event Date:
2025-08-17
Time of Day:
Night-Time
Start Time:
20:16
End Time:
20:26
Number of Observers:
One (Me)
Primary Observer:
Renaldo Browne
Additional Observers:
None
Target Species Genus:
Photinus
Target Species Species:
ignitus
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Elevation (meters):
25
Area Searched (hectares):
Artificial Light Sources
Vehicles: Yes
Street Lights: Yes
Buildings: No
Street Lights: Yes
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:
11-50
Genus:
Photinus
Species:
ignitus
Observation Notes:
OPEN FIELD HABITAT (2025)
Observed along the tree line, with a few in the open field itself.
Two were possible females, though they only flashed once and diseappeared.
Two fireflies actually flashed at the same time, which is rare in this area.
They might have been the Synchronous species.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:16
Last Flash Time:
20:26
First Flash Temp (F):
84 Degrees
Last Flash Temp (F):
82 Degrees
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
Four fireflies flashed in a 10 second period
Flash Duration:
About one seconds
Flash Interval:
About three seconds
Male Height Zone:
Moderate (3-8 ft), High (over 8 ft)
Flash Location:
OPEN FIELD HABITAT (2025)
Along the tree line and in the open field, a few in the open field itself.
Male Flash Behavior:
One flash every three seconds with a one second flash duration
Same for the two that flashed at the same time
Female Flash Behavior:
In the open field area near the street.
flashed once, then disappeared.
