Observation: Unknown
Primary Observer:
Dana Saether
Event Date:
2026-05-19
Status:
Unreviewed
Survey
Site Name:
Undisclosed
Province/State:
Virginia
Event Date:
2026-05-19
Time of Day:
Night-Time
Start Time:
22:28
End Time:
23:03
Number of Observers:
1
Primary Observer:
Dana Saether
Additional Observers:
NA
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Woodland/Forest - Trees dominant, and in the over-story
Habitat Type Notes:
- A portion of the site (~230 m2) is lawn (mowed)
- A portion of the site is a loosely maintained wildflower/pollinator habitat (~230 m2)
- A portion of the site is a pond (~1,600 m2)
- the site is bordered entirely by forest
Elevation (meters):
40m
Area Searched (hectares):
0.283504 ha
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:
Some light trespass onto lawn/into trees from a light on inside of my house. Distant skyglow.
Observation
Observation Type:
With Flash Data
Number Observed:
2-10
genus:
unknown
Species:
unknown
Observation Notes:
- Unfortunately I was unable to capture any individuals as they weren't super abundant, they flew high in the trees and they were also quite fast
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:30
Last Flash Time:
23:03
First Flash Temp (F):
80.1 F
Last Flash Temp (F):
79.9 F
Flashes in Pattern:
>4
Flash Color:
Green
Flash Pattern Period:
3 seconds
Flash Duration:
extremely quick <0.25 seconds
Flash Interval:
extremely quick <0.25 seconds
Male Height Zone:
High (over 8 ft)
Flash Location:
Flashed in flight primarily around the tops of the trees bordering the pond
Male Flash Behavior:
- extremely rapid burst of 3-5 flashes (they were so fast I couldn't get a clear definitive count) all taking place over ~1 second with ~3 seconds of darkness between
- flashes appeared to go from bright to dim (first flash of 3-5 was brightest, last was dimmest)
- flashed occurred during lateral movement
Female Flash Behavior:
- Saw a few single flashes by perched individuals in treetops
