Observation: Photinus obscurellus
Primary Observer:
Richard Joyce
Event Date:
2025-06-16
Status:
Verified
Survey
Site Name:
Dwelly Farm Conservation Area - Pollinator Field
Province/State:
Massachusetts
Event Date:
2025-06-16
Time of Day:
Night-Time
Start Time:
20:43
End Time:
22:10
Number of Observers:
11
Primary Observer:
Richard Joyce
Additional Observers:
Emily M., Anna W, Annie W., Henry W., Donald I., Jack M., Cassidy. W.G, Anne G., Ryan T.
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
25-50
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
A field with pollinator plantings that was formerly filled with dense field pine (Pinus strobus).
Plants include vetch (Vicia), Canadian lousewort (Pedicularis canadensis), Golden Alexander (Zizia aurea), tall blue indigo, non-native lupine, goldenrod and Monarda.
Elevation (meters):
305
Area Searched (hectares):
0.3
Artificial Light Sources
Vehicles: Yes
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:
Occasional vehicles driving by on Barre Road cast light trespass into the surveyed habitat.
Observation
Observation Type:
Without Flash Data
Number Observed:
2-10
genus:
photinus
Species:
obscurellus
Observation Notes:
The only individual captured was on the ground. Triplet flashes seen earlier in the evening were likely confused with Photuris flash patterns. Captured male was ~11 mm long.
