Observation: Photinus obscurellus
Primary Observer:
Yuanwu Wang
Event Date:
2026-06-02
Status:
Unreviewed
Survey
Site Name:
Undisclosed
Province/State:
Iowa
Event Date:
2026-06-02
Time of Day:
Night-Time
Start Time:
21:00
End Time:
23:00
Number of Observers:
2
Primary Observer:
Yuanwu Wang
Additional Observers:
Yufei Meng
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Marsh and tall grass around the lake, also under trees along the trail.
Elevation (meters):
279
Area Searched (hectares):
2
Artificial Light Sources
Vehicles: Yes
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:
1
genus:
photinus
Species:
obscurellus
Observation Notes:
11mm body length. Was found perch on the tip of tall grass near a human-made lake with left elytra missing and left pronotum seemingly damaged.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:47
Last Flash Time:
22:50
First Flash Temp (F):
63.5
Last Flash Temp (F):
63.5
Flashes in Pattern:
3
Flash Color:
Yellow
Flash Pattern Period:
7 to 10s
Flash Duration:
about 0.3-0.4s
Flash Interval:
about 0.1-0.2s
Male Height Zone:
Low (0-3 ft)
Flash Location:
Was found perch on the tip of tall grass near a human-made lake when flashing.
Male Flash Behavior:
A triple flash pattern only observed twice with a sort of long pause in between flashes, flash color yellow.
