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Observation: Bicellonycha wickershamorum
Primary Observer:
Ron Day
Event Date:
2024-06-25
Status:
Verified
Survey
Site Name:
Lower Eagle Creek Pumping Station
Province/State:
Arizona
Event Date:
2024-06-25
Time of Day:
Night-Time
Start Time:
19:30
End Time:
22:00
Number of Observers:
2
Primary Observer:
Ron Day
Additional Observers:
Cheryl Mollohan
Target Species Genus:
Bicellonycha
Target Species Species:
wickershamorum
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
This is a desert riparian community with large cottonwoods...some streamside willow community surrounded by Sonoran upland vegetation.
Elevation (meters):
1088
Area Searched (hectares):
.175
Artificial Light Sources
Vehicles: Yes
Street Lights: No
Buildings: Yes
Huge spot light on bridge
Street Lights: No
Buildings: Yes
Huge spot light on bridge
Artificial Light Types
Sky Glow (diffuse illumination in the sky): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
This site has significant light pollution. The pumping station building is all lit up, and there is a huge spotlight type light that is on dusk to dawn which causes glare and light trespass.
Observation
Observation Type:
Flashing
Number Observed:
11-50
Genus:
Bicellonycha
Species:
wickershamorum
Observation Notes:
2 males photographed - both all black without the yellow edging on the elytra.
Flash counts: range from a flash every 1.2 to 1.33 seconds (3 counts on 3 different specimens)
Twelve total fireflies observed: 8 at spring, 2 flying over Creek, 2 downstream at camp.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
19:44
Last Flash Time:
21:57
First Flash Temp (F):
94.6
Last Flash Temp (F):
93.6
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
1-2 seconds
Flash Duration:
<1 second
Flash Interval:
One flash every 1.2 to 1.33 seconds
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft), High (over 8 ft)
Flash Location:
Males started flashing while sitting in shrubby willows streamside at 1-5 ft. Over time they also flew at higher heights over the water itself.
Male Flash Behavior:
Almost continuous single flashes while flying.
Female Flash Behavior:
We did not identify any females.
