Observation: Photinus knulli
Primary Observer:
Tony Palmer
Event Date:
2026-08-04
Status:
Unreviewed
Survey
Site Name:
Alamo Canyon
Province/State:
Arizona
Event Date:
2026-08-04
Time of Day:
Night-Time
Start Time:
20:02
End Time:
03:02
Number of Observers:
5
Primary Observer:
Tony Palmer
Additional Observers:
Peter Clausen, Gwen Erdosh, Lohit Garikipati, Tony Zhao
target_species_genus:
photinus
target_species_species:
knulli
Location and Habitat
Location Accuracy (meters):
25-50
Habitat Type:
Shrub/Scrub - Arid, shrubs present and abundant
Habitat Type Notes:
Velvet Mesquite, Arizona Sycamore, Desert Willow
Elevation (meters):
1195
Area Searched (hectares):
.1193
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:
11-50
genus:
photinus
Species:
knulli
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:31
Last Flash Time:
15:30
First Flash Temp (F):
80
Last Flash Temp (F):
68
Flashes in Pattern:
2
Flash Color:
Green
Flash Pattern Period:
8
Flash Duration:
.5
Flash Interval:
.5
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft)
Flash Location:
from vegetation and open areas
Male Flash Behavior:
2 flashes, 6-12 seconds apart.
very few males gave characteristic 3 flash pattern.
Female Flash Behavior:
1-4 flashes from vegetation.
