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Species Lucidota atra - Black Firefly

Beetle ID - Lucidota atra Firefly? - Lucidota atra Firefly? - Lucidota atra lucidota atra? - Lucidota atra Is This a Firefly - Lucidota atra Black Firefly larva - Lucidota atra Beetle - Lucidota atra Lucidota atra  - Lucidota atra
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Elateroidea (Click, Firefly and Soldier Beetles)
Family Lampyridae (Fireflies)
Subfamily Lampyrinae
Tribe Lucidotini
Genus Lucidota
Species atra (Black Firefly)
Explanation of Names
Lucidota atra (Olivier 1790)
atra = 'black'
7.5-13.0 mm(1)
Typical form:

Melanic forms:

Ventral--note reduced light organ:
e NA to e Great Plains (NS-FL to MB-TX)(1)(2)(3)
Open woodlands, often found on trees
Life Cycle
Day-active. Males do not flash, except perhaps immediately after eclosion
Adult exudes a milky fluid from joints of legs and abdomen when captured. Light organs appear as small yellowish spots on last abdominal sternite of female or last two sternites of male.(4)
Works Cited
1.The fireflies (Coleptera; Lampyridae) of Ontario
Luk S.P.L., Marshall S.A., Branham M.A. 2011. Canadian Journal of Arthropod Identification 16: 1-105.
2.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
3.Texas A&M University Insect Collection (TAMUIC)
4.A Manual of Common Beetles of Eastern North America
Dillon, Elizabeth S., and Dillon, Lawrence. 1961. Row, Peterson, and Company.