Observation: Photinus knulli
Primary Observer:
Tony Palmer
Event Date:
2025-07-05
Status:
Verified
Survey
Site Name:
Santa Gertrudis Lane
Province/State:
Arizona
Event Date:
2025-07-05
Time of Day:
Night-Time
Start Time:
21:43
End Time:
21:44
Number of Observers:
1
Primary Observer:
Tony Palmer
Additional Observers:
Na
target_species_genus:
photinus
target_species_species:
knulli
Location and Habitat
Location Accuracy (meters):
25-50
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Cottonwood, Gooding’s willow, grasses and forbes along stream.
Elevation (meters):
910
Area Searched (hectares):
0.101
Artificial Light Sources
Vehicles: Yes
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:
50+
genus:
photinus
Species:
knulli
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:43
Last Flash Time:
21:44
First Flash Temp (F):
77
Last Flash Temp (F):
77
Flashes in Pattern:
3
Flash Color:
Green
Flash Pattern Period:
1
Flash Duration:
.5
Flash Interval:
3-8
Male Height Zone:
Moderate (3-8 ft), High (over 8 ft)
Flash Location:
From canopy and over vegetation on edge of water.
Male Flash Behavior:
3 flashes in 1.5 seconds followed by 3-5 seconds of rest. Repeated, many individuals were in sync with one another.
Female Flash Behavior:
No females observed
