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Photo#42893
Snow Scorpionfly - Boreus brumalis - female

Snow Scorpionfly - Boreus brumalis - Female
Harvard, Worcester County, Massachusetts, USA
February 14, 2006
Size: 4mm

Images of this individual: tag all
Snow Scorpionfly - Boreus brumalis - female Snow Scorpionfly - Boreus brumalis - female Snow Scorpionfly - Boreus brumalis - female Snow Scorpionfly - Boreus brumalis - female

Mid-winter Boreus
Only two species of Boreidae occur in the east (Boreus brumalis and nivoriundus) and both are found in Massachusetts. This one looks like brumalis: legs all black; abdomen shiny blackish-green with light brown lateral stripe; ovipositor shiny black [whereas in nivoriundus, legs yellow or brown with black ring at joints; abdomen black or brown, with terminal segment brown or cinnamon; ovipositor brown or reddish with black tip].
See description of both species on nivoriundus page, and compare image of female by Tony Thomas.

 
Boreus brumalis
Thanks Robin, this isn't the same as the B. nivoriundus in the guide, and that does leave only B. brumalis.

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