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firedrake
02-13-2009, 08:36 PM
Can anyone tell me what month fireflies first make an appearance in the northeastern US (western NY)?

Medievalist
02-13-2009, 08:53 PM
It depends a bit on the weather but in N.H. it was / is June. Fairly early June, too, before school got out. By mid July our pasture would be thick with their glowing blinks.

WriteKnight
02-13-2009, 09:19 PM
I recall arriving in Lancaster PA in May, and the fireflies were already out - but this was in '93. Weather will have a bearing.

selkn.asrai
02-13-2009, 09:22 PM
In CT, I always see them in June and July.

Clair Dickson
02-13-2009, 09:23 PM
When it's warm. May, June. Soon as it's warm out. I think after there's much threat of frost (beyond the occasional freak cold snap.)

At least that's what it's like in Michigan. Usually before school's out (we're out end of May) when I get home after nigh class, there'll be a few winking fire flies trying to get laid.

Medievalist
02-13-2009, 09:34 PM
Just in case anyone else has an older brother with an odd sense of humor, there are no fireflies with red or blue "lights"

kuwisdelu
02-13-2009, 09:44 PM
there are no fireflies with red or blue "lights"

Not true! If you drive really fast, you can get glimpses of them in your rearview mirror.

Noah Body
02-13-2009, 10:44 PM
I think July or so in SW Connecticut. Maybe June. I'll come back to you in several months to confirm. ;)

semilargeintestine
02-13-2009, 10:55 PM
Usually June in NJ.

Calla Lily
02-13-2009, 11:08 PM
I'm from Western NY. Late June. There are always a ton around by the Fourth of July.

heyjude
02-15-2009, 12:54 AM
Last year in Pittsburgh it was July before any showed up. Kind of late for them. Do fireflies hibernate?

cbenoi1
02-15-2009, 01:29 AM
At least July if not the warm days of early August here in QC. It has to be warm and humid.

-cb