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Northeastern Michigan (lower penninsula) 9-14-19

Started By Jamiesname , Sep 22 2019 3:24 PM

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#1 Offline Jamiesname - Posted September 22 2019 - 3:24 PM

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Found a couple of these under some bricks last week. I believe they're some sort of parasitic lasius sp. but I can't seem to find anything that matches their different colored stripes.

Location: Northeastern Michigan (lower penninsula)

Tound: 9-14-19

Size: 7mm-8mm

Coloration: Brown head and thorax; brown and tan striped gaster.

Habitat: Lawn on edge of woodland.

nuptial flight: Lasius flight occured two days (9/12) before I found these.

Other info: Host workers (callows) didn't put up any resistance when she was introduced. It's been three days since introduction and the hosts are now feeding her. I put the other one in a tube alone to see if she lays any eggs, but she might need to hibernate first.


2019 09 22 17 12 46


2019 09 22 17 12 01


2019 09 22 17 11 45

Edited by Jamiesname, September 22 2019 - 3:34 PM.

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#2 Offline Antennal_Scrobe - Posted September 22 2019 - 3:57 PM

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The bands on the gaster are because she is full of eggs!


Well, it could be parasitic nematodes but that would be no fun...


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 September 23 2019 - 6:10 AM

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Looks like L. claviger to me. I agree with Antennall Scrobe on the abdomen stripes.

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 Canadian anter - Posted September 23 2019 - 7:34 AM

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I'd say Lasius speculiventris
Or perhaps a light colour aphidcolus
Visit us at www.canada-ant-colony.com !

#5 Offline Jamiesname - Posted September 23 2019 - 11:57 AM

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The bands on the gaster are because she is full of eggs!
Well, it could be parasitic nematodes but that would be no fun...

Looks like L. claviger to me. I agree with Antennall Scrobe on the abdomen stripes.


It's hard to tell from the pics, but the lighter bands are not from the elastic tissue between her gaster segments. I have several queens with stretched gasters, but this isn't one of them. This particular queen simply has a striped gaster. The coloration even overlaps onto different segments which wouldn't be the case if it were between the segments.

I'm almost positive that it's not L. Clavigar as well. I have two of those and they don't have striped gasters.

Edited by Jamiesname, September 23 2019 - 11:57 AM.

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