Observation: Pyractomena borealis
Primary Observer:
Jeffrey Calta
Event Date:
2025-06-04
Status:
Verified
Survey
Site Name:
Fairview Township
Province/State:
Pennsylvania
Event Date:
2025-06-04
Time of Day:
Night-Time
Start Time:
21:30
End Time:
22:42
Number of Observers:
1
Primary Observer:
Jeffrey Calta
Additional Observers:
 
target_species_genus:
unknown
target_species_species:
 
Location and Habitat
Location Accuracy (meters):
250-500
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Varied habitat. Riparian and open grassland and small stretches of trees
Elevation (meters):
400
Area Searched (hectares):
4
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): 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:
2-10
genus:
pyractomena
Species:
borealis
Observation Notes:
No specimen captured
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:10
Last Flash Time:
22:10
First Flash Temp (F):
66
Last Flash Temp (F):
63
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
3
Flash Duration:
0.5
Flash Interval:
3
Male Height Zone:
High (over 8 ft)
Flash Location:
Tree tops. A line of choke cherry trees along stream
Male Flash Behavior:
One yellow flash every 3 seconds
Female Flash Behavior:
 


