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Observation: Pyractomena ecostata
Primary Observer:
Richard Joyce
Event Date:
2023-07-12
Status:
Verified
Survey
Site Name:
Edwin B. Forsythe National Wildlife Refuge- headquarters high marsh
Province/State:
New Jersey
Event Date:
2023-07-12
Time of Day:
Night-Time
Start Time:
20:45
End Time:
23:11
Number of Observers:
6
Primary Observer:
Richard Joyce
Additional Observers:
Joe Smith, Rosie Feerick, Peter Ackerman, Kass Urban-Mead, Frank Joyce
Target Species Genus:
Pyractomena
Target Species Species:
ecostata
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Tidal Marsh - Salt marsh or brackish marsh
Habitat Type Notes:
High marsh with a mix of Spartina patens and Spartina alterniflora, bordered by Phragmites australis and salt-tolerant shrubs at the upland edge.
Elevation (meters):
0.75
Area Searched (hectares):
0.5
Artificial Light Sources
Vehicles: No
Street Lights: Yes
Buildings: Yes
Street Lights: Yes
Buildings: Yes
Artificial Light Types
Sky Glow (diffuse illumination in the sky): Yes
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): Yes
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
The dominant ALAN was glare and sky glow from urban areas across the bay.
Observation
Observation Type:
Flashing
Number Observed:
50+
Genus:
Pyractomena
Species:
ecostata
Observation Notes:
Composite image from 32 4-second exposures-- slightly over 2 minutes.
Body length about 15 mm.
Two larvae were found in matted Spartina patens via their dim glows.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:55
Last Flash Time:
23:11
First Flash Temp (F):
78.4
Last Flash Temp (F):
76.1
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
4
Flash Duration:
0.7
Flash Interval:
3.3
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft)
Flash Location:
Over the Spartina salt marsh.
Male Flash Behavior:
Long, rising greenish glows over the salt marsh.
Female Flash Behavior:
Not observed.
