Observation: Photinus pyralis
Primary Observer:
Danielle McNally
Event Date:
2026-06-13
Status:
Unreviewed
Survey
Site Name:
Undisclosed
Province/State:
Rhode Island
Event Date:
2026-06-13
Time of Day:
Night-Time
Start Time:
20:58
End Time:
21:03
Number of Observers:
1
Primary Observer:
Danielle McNally
Additional Observers:
target_species_genus:
photinus
target_species_species:
pyralis
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Meadow and forest. Hay field, some mowed. Some left tall. Brush and forest. Lots of biodiversity
Elevation (meters):
37.5
Area Searched (hectares):
1
Artificial Light Sources
Vehicles: Yes
Street Lights: No
Buildings: Yes
Just from house windows
Street Lights: No
Buildings: Yes
Just from house windows
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:
Seldom cars passing.
Observation
Observation Type:
With Flash Data
Number Observed:
11-50
genus:
photinus
Species:
pyralis
Observation Notes:
More than one genus and species. Meadow and woodland areas. Stobe patters, flash and drag, and one blink patterns. Orange, yellow, and green flash colors. Emergence from tree line, and some from grass and single trees in field. But mostly from tall grass and wood line.
Specimen Voucher Number:
Unk
Flash Behavior
First Flash Time:
21:14
Last Flash Time:
21:14
First Flash Temp (F):
76
Last Flash Temp (F):
75
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
2
Flash Duration:
1
Flash Interval:
20
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Meadow
