Observation: Pyractomena dispersa
Primary Observer:
Saff Killingsworth
Event Date:
2026-06-13
Status:
Unreviewed
Survey
Site Name:
Deer Creek Campground
Province/State:
Arizona
Event Date:
2026-06-13
Time of Day:
Night-Time
Start Time:
21:00
End Time:
21:05
Number of Observers:
3
Primary Observer:
Saff Killingsworth
Additional Observers:
Rachel Laura, Dannette Weiss
target_species_genus:
pyractomena
target_species_species:
dispersa
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Open confluence of deer creek and east fork of the Black River. Beaver dam in the area. Lots of sanding dead trees from ~10 year old wildfire. Florally diverse area. Dominant vegetation: Carex, Equisetum, Alnus, Salix, Urtica, Rosa, Galium, and Iris.
Elevation (meters):
2364
Area Searched (hectares):
0.1
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: No
campsite
Street Lights: No
Buildings: No
campsite
Artificial Light Types
Sky Glow (diffuse illumination in the sky): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No
Artificial Light Notes:
minimal light trespass coming from one campsite.
Observation
Observation Type:
With Flash Data
Number Observed:
2-10
genus:
pyractomena
Species:
dispersa
Observation Notes:
Suspected Pyractomena dispersa based on habitat, adjacent populations, flash pattern, although no individual was photographed. Time of first and last flash inferred - we were not present on the site for either first or last flash.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
19:30
Last Flash Time:
22:00
First Flash Temp (F):
unknown
Last Flash Temp (F):
unknown
Flashes in Pattern:
4
Flash Color:
Orange
Flash Pattern Period:
3-4
Flash Duration:
1
Flash Interval:
1
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft)
Flash Location:
N/A
