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Observation: Photinus
Primary Observer:
Ana Parrodi
Event Date:
2025-07-19
Status:
Unverified
Survey
Site Name:
Province/State:
Unknown
Event Date:
2025-07-19
Time of Day:
Night-Time
Start Time:
19:20
End Time:
20:20
Number of Observers:
2
Primary Observer:
Ana Parrodi
Additional Observers:
NA
Target Species Genus:
Photinus
Target Species Species:
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Native plants and some parts with no grass
Elevation (meters):
2,200
Area Searched (hectares):
50
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): 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:
We have grown trees to keep the street lights from lighting our garden
Observation
Observation Type:
Flashing
Number Observed:
50+
Genus:
Photinus
Species:
unknown
Observation Notes:
Not sure about the specie. I saw female and male fireflies. Some where copulating. Habitat my garden.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
19:23
Last Flash Time:
20:40
First Flash Temp (F):
Na
Last Flash Temp (F):
Na
Flashes in Pattern:
>4
Flash Color:
Green
Flash Pattern Period:
5
Flash Duration:
1
Flash Interval:
5
Male Height Zone:
Low (0-3 ft)
Flash Location:
Normally around the plants that are in the ground
Male Flash Behavior:
They usually do not flash once they are copulating.
Female Flash Behavior:
No flash that i saw but i only saw the females once they where already copulating
1 thought on “Observation: Photinus”
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Thank you for this firefly observation! I wish that Firefly Atlas had the capacity to receive and verify observations from Mexico, but unfortunately our scope is currently limited to the USA and Canada. If you haven’t already, I recommend submitting fireflies to iNaturalist, which has a global scope.
I am fairly confident that these fireflies are in the genus Photinus, and a possible species is Photinus extensus, which seems to persist okay in urbanized settings. You can see photos of Photinus extensus here: https://www.inaturalist.org/taxa/911463-Photinus-extensus.