Observation: Photinus pyralis
Primary Observer:
Self
Event Date:
2023-07-19
Status:
Verified
Survey
Site Name:
Undisclosed
Province/State:
Indiana
Event Date:
2023-07-19
Time of Day:
Night-Time
Start Time:
21:15
End Time:
21:22
Number of Observers:
2
Primary Observer:
Self
Additional Observers:
Viewer 2
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
25-50
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
City lot with grass and native plant sections
Elevation (meters):
Unknown
Area Searched (hectares):
.25
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:
With Flash Data
Number Observed:
11-50
genus:
photinus
Species:
pyralis
Observation Notes:
Pretty certain it's Photinus pyralis
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:15
Last Flash Time:
21:22
First Flash Temp (F):
77
Last Flash Temp (F):
75
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
1
Flash Duration:
1
Flash Interval:
5
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft), High (over 8 ft)
Flash Location:
Varied heights
Male Flash Behavior:
Seemed to move up after low flashes.
Female Flash Behavior:
1 thought on “Observation: Photinus pyralis”
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Thanks for submitting this observation, Linda! Even without a photo, you’ve documented enough details to verify this as Photinus pyralis.