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Observation: Not_a_firefly_na Not a firefly (N/A)
Primary Observer:
Stephen Hummel
Event Date:
2025-06-28
Status:
Unverified
Survey
Site Name:
McDonald Observatory
Province/State:
Texas
Event Date:
2025-06-28
Time of Day:
Day-Time
Start Time:
20:15
End Time:
20:45
Number of Observers:
1
Primary Observer:
Stephen Hummel
Additional Observers:
Target Species Genus:
Target Species Species:
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Open meadow along a man-made pond / stock tank.
Elevation (meters):
1880
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:
Daytime
Observation
Observation Type:
Non-Flashing
Number Observed:
1
Genus:
not_a_firefly_na
Species:
Not a firefly (N/A)
Observation Notes:
About 12mm body length, sitting exposed on a dry rock next to the water. Crawled away when approached.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
Last Flash Time:
First Flash Temp (F):
Last Flash Temp (F):
Flashes in Pattern:
Flash Color:
Flash Pattern Period:
Flash Duration:
Flash Interval:
Male Height Zone:
Flash Location:
Male Flash Behavior:
Female Flash Behavior:
1 thought on “Observation: Not_a_firefly_na Not a firefly (N/A)”
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This is actually the larva of a netwing beetle (family Lycidae, likely genus Lycus), which are similar-looking to firefly larvae and in the same superfamily (Elateroidea). They are easily confused.