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Lasius ID [WI 6-14-2020]

Started By mannac , Jun 14 2020 7:28 PM

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5 replies to this topic

#1 Offline mannac - Posted June 14 2020 - 7:28 PM

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LocationOz Cty, WI

1. Location (on a map) of collection: S.E. Wisconsin
2. Date of collection: 9/10/2019
3. Habitat of collection: Urban driveway
4. Length (from head to gaster): 7.5-8mm queen
5. Color, hue, pattern and texture: Overall orange brown
6. Distinguishing characteristics: exposed pupae
7. Distinguishing behavior: unphased by light in test tube
8. Nest description:

9. Nuptial flight time and date: 9/10/2019, ~5pm

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#2 Offline Antennal_Scrobe - Posted June 14 2020 - 7:31 PM

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933 posts

LocationMilwaukee, Wisconsin

Looks like Lasius neoniger to me.

Currently keeping:

Tetramorium immigrans, Pogonomyrmex occidentalis

Myrmica punctiventris, Formica subsericea

Formica pallidefulva, Aphaeogaster cf. rudis

Camponotus pennsylvanicus

Camponotus nearcticus

Crematogaster cerasi

Temnothorax ambiguus

Prenolepis imparis

#3 Offline NickAnter - Posted June 14 2020 - 7:39 PM

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3,307 posts

LocationOrange County, California

Niger group is actually as far as you can go.

Hi there! I went on a 6 month or so hiatus, in part due, and in part cause of the death of my colonies.

However, I went back to the Sierras, and restarted my collection, which is now as follows:

Aphaenogaster uinta, Camponotus vicinus, Camponotus modoc, Formica cf. aserva, Formica cf. micropthalma, Formica cf. manni, Formica subpolita, Formica cf. subaenescens, Lasius americanus, Manica invidia, Pogonomyrmex salinus, Pogonomyrmex sp. 1, Solenopsis validiuscula, & Solenopsis sp. 3 (new Sierra variant).

#4 Offline AnthonyP163 - Posted June 15 2020 - 11:20 AM

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975 posts

LocationWaukesha, Wisconsin.

I tend to find queens that look somewhat like this, but they have a silvery/blue shine. I identified these queens as Lasius crypticus. I can't tell if your queen looks like that, but it was definitely the first thought that came to my head.

Like NickAnter mentioned, without microscopic photos we only know it's either crypticus, pallitarsis or neoniger.

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#5 Offline mannac - Posted June 15 2020 - 7:19 PM

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LocationOz Cty, WI

Definitely no blue or silver hues.

Thanks all, I figured they couldn't be identified from these pics. Would it be appropriate to call them Lasius cf. neoniger for now?

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#6 Offline AntsDakota - Posted June 16 2020 - 5:24 AM

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LocationSioux Falls, South Dakota

I believe that would be fine for now.

"God made..... all the creatures that move along the ground according to their kinds. (including ants) And God saw that it was good. Genesis 1:25 NIV version

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