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Observation: Unknown
Primary Observer:
Erika Reily
Event Date:
2025-09-06
Status:
Unverified
Survey
Site Name:
423 Grant Place
Province/State:
Texas
Event Date:
2025-09-06
Time of Day:
Night-Time
Start Time:
20:05
End Time:
20:15
Number of Observers:
5
Primary Observer:
Erika Reily
Additional Observers:
Jon Reily
Fiona Reily
Josie Reily
Lauren Evans
Target Species Genus:
Target Species Species:
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
We are an older city neighborhood of homes built in the 1950s. The lots are between 1/3 and 3/4 acre for the most part, the homes are mostly between 2500 and 3500 square feet, and nearly all of them have large mature trees, generous landscaping and grass lawns. The trees are mostly live oak, pecan, crape myrtle, mesquite, and ash. There is a nearby park of about 6 acres that is mostly grass and mesquite trees.
Elevation (meters):
8
Area Searched (hectares):
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): 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:
Our street is pretty dark - we don't have any streetlights and it's a quiet street with few cars and little traffic. Most of the houses, including the one where we saw the fireflies, turn their porch lights on at dusk and keep them on all night.
Observation
Observation Type:
Flashing
Number Observed:
2-10
Genus:
unknown
Species:
unknown
Observation Notes:
I didn't approach the fireflies as I didn't want to scare them away. I saw about 3 of them flying around above the grass and near the landscaping shrubs and bushes, and I saw two huddled together on a blade of grass that did not fly. The ones in down in the grass were just glowing and not flashing, but the ones that flew around were turning on and off.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:05
Last Flash Time:
20:15
First Flash Temp (F):
85
Last Flash Temp (F):
85
Flashes in Pattern:
2
Flash Color:
Green
Flash Pattern Period:
3
Flash Duration:
3
Flash Interval:
3
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Not sure how to answer this question
