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Photo#1704620
male - Agrilus species-roscidusgroup - male

male - Agrilus species-roscidusgroup - Male
Brooklyn, Green-Wood Cemetery, Kings County, New York, USA
August 7, 2017
Size: 3.7mm
Already dead when collected from rearing barrel. Reared from twigs and small branches of Fagus sylvatica. Emergence sometime between June 14 - Aug 7,2017

Images of this individual: tag all
male - Agrilus species-roscidusgroup - male Agrilus sp. 9895 - Agrilus species-roscidusgroup - male Agrilus sp. 9895 - Agrilus species-roscidusgroup - male Agrilus sp. 9895 - Agrilus species-roscidusgroup - male Agrilus sp. 9895 - Agrilus species-roscidusgroup - male Agrilus sp. 9895 - Agrilus species-roscidusgroup - male

fwiw, check A. obscuricollis
although quite uncommon one, it's still the best fit i could find among the European spp:
3.5-5 mm, larvae in oak, hornbeam, linden -- see here(1)

habitus, you'll find other nice pics online
other eurospp are either too large or have peckers that are way off or use ridiculously unrelated hosts

At first glance I would have
At first glance I would have thought this to be Agrilus subrobustus but clearly after it is yanked it is not.

 
Ha!
I feel like there’s a joke to be made here about Yankees.

Anyway, I haven’t gone through this year’s samples yet, but if we get a bunch more I’ll send you a pair.

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