Observation: Photinus
Primary Observer:
Richard Joyce
Event Date:
2022-04-23
Status:
Unverified
Survey
Site Name:
Undisclosed
Province/State:
South Carolina
Event Date:
2022-04-23
Time of Day:
Night-Time
Start Time:
20:00
End Time:
20:40
Number of Observers:
1
Primary Observer:
Richard Joyce
Additional Observers:
NA
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Woodland/Forest - Trees dominant, and in the over-story
Habitat Type Notes:
Habitat was a coastal loblolly pine plantation, with a thick pine-straw layer and yaupon holly, wax myrtle, and Ligustrum sinense in the understory.
Elevation (meters):
2
Area Searched (hectares):
0.3
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:
Minimal artificial light, though the dusk survey time may have made any artificial light less obvious.
Observation
Observation Type:
With Flash Data
Number Observed:
11-50
genus:
photinus
Species:
unknown
Observation Notes:
Captured male that was approximately 8 mm long.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:00
Last Flash Time:
20:40
First Flash Temp (F):
70
Last Flash Temp (F):
70
Flashes in Pattern:
2
Flash Color:
Yellow
Flash Pattern Period:
6
Flash Duration:
not recorded
Flash Interval:
1-2 seconds
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft), High (over 8 ft)
Flash Location:
Males were flashing in the understory, gradually rising over the course of the evening display period. There were also flashes from the vegetation-- unclear whether females or emerging males.
Male Flash Behavior:
Paired flashes spaced about 1-2 seconds apart, followed by about a 4 second dark period.
Female Flash Behavior:
Not observed or recorded.
