Observation: Photinus collustrans
Primary Observer:
Ellie Shultz
Event Date:
2026-05-05
Status:
Unreviewed
Survey
Site Name:
Blue Spring State Park Scrub
Province/State:
Florida
Event Date:
2026-05-05
Time of Day:
Night-Time
Start Time:
20:30
End Time:
20:50
Number of Observers:
2
Primary Observer:
Ellie Shultz
Additional Observers:
Nancy Jeffreys
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Shrub/Scrub - Arid, shrubs present and abundant
Habitat Type Notes:
Florida scrub
Elevation (meters):
12
Area Searched (hectares):
1
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:
photinus
Species:
collustrans
Observation Notes:
It left a milky white residue inside the zipper bag when photographed.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:33
Last Flash Time:
20:50
First Flash Temp (F):
73
Last Flash Temp (F):
73
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
about 3 seconds
Flash Duration:
.1
Flash Interval:
about 3 seconds
Male Height Zone:
Moderate (3-8 ft), High (over 8 ft)
Flash Location:
Next to a sandy trail through a scrub, the fireflies were flashing while flying around the top of the vegetation, which was roughly 7-9 feet tall.
