Notice: Below is a list of 0 important links included on this page.
Please note that while screen readers have made significant strides, they may still lack full support for optimal web accessibility.
Observation: Photinus pyralis
Primary Observer:
Michael Dowell
Event Date:
2025-07-04
Status:
Unverified
Survey
Site Name:
Hudson
Province/State:
Ohio
Event Date:
2025-07-04
Time of Day:
Night-Time
Start Time:
21:30
End Time:
21:35
Number of Observers:
1
Primary Observer:
Michael Dowell
Additional Observers:
N/A
Target Species Genus:
Photinus
Target Species Species:
pyralis
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Habitat is the rectangular lawn of a suburban home, ~200 ft EW, bounded W by a grape arbor and a pond with fruit trees, N by spruce trees at W end and open lawn at E end, on E by a garage and small garden, and S by trees or lawn EW.
Elevation (meters):
325
Area Searched (hectares):
0.1
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): Yes
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:
N/A
Observation
Observation Type:
Flashing
Number Observed:
2-10
Genus:
Photinus
Species:
pyralis
Observation Notes:
Observed 3 distinct fireflies, each flying 2-3 m above ground; one over lawn, 2 near fruit trees: !1 sec on, 2 or more sec off. Observed same fireflies at sightings ~1 min apart.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:31
Last Flash Time:
21:35
First Flash Temp (F):
80
Last Flash Temp (F):
80
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
1 sec on 2 sec off
Flash Duration:
1 sec
Flash Interval:
2 sec
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
2 fireflies flying near fruit trees; 1 over lawn.
Male Flash Behavior:
See above
Female Flash Behavior:
N/A
