Observation: Photuris tremulans
Primary Observer:
Richard Joyce
Event Date:
2023-05-22
Status:
Verified
Survey
Site Name:
Undisclosed
Province/State:
South Carolina
Event Date:
2023-05-22
Time of Day:
Night-Time
Start Time:
21:30
End Time:
22:57
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):
25-50
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Overgrown pasture surrounded by forest (mostly hardwoods). Plants include grasses, milkweed (Asclepias), brambles (Rubus), and Asteraceae forbs.
Elevation (meters):
340
Area Searched (hectares):
0.74
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: Yes
Street Lights: No
Buildings: Yes
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): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
Neighbor's outdoor lighting shone into the pasture.
Observation
Observation Type:
With Flash Data
Number Observed:
11-50
genus:
photuris
Species:
tremulans
Observation Notes:
About 11 mm long. First photo is of an adult male. Others are a female.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:30
Last Flash Time:
22:57
First Flash Temp (F):
65
Last Flash Temp (F):
65
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
3
Flash Duration:
<0.5
Flash Interval:
3
Male Height Zone:
Moderate (3-8 ft), High (over 8 ft)
Flash Location:
Flashes were both over the pasture and up in the tree boughs surrounding the pasture.
Male Flash Behavior:
Flash patterns consisted of a mix of single flashes with a period of about 3 seconds and long flickers.
Female Flash Behavior:
A few adult females were captured in the low vegetation, as well as flashing low over the pasture.
