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Lasius - brood not developing?

Started By TypeD , Sep 11 2021 10:25 AM

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#1 Offline TypeD - Posted September 11 2021 - 10:25 AM

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Hey folks. So I've had a lasius (possibly americanus) queen for around a month and a half now, and she has quite a pile of brood; I think it's fluctuated a bit, but I'd say somewhere between 30-50 eggs. The thing is, I haven't noticed any that have developed into larvae yet. My room stays pretty warm, between 75-85 degrees, because I don't have an AC and I'm in NYC. This is my first time founding a Lasius queen, so I'm wondering how normal it is for eggs to take this long to hatch. Is it a sign of infertility, perhaps, or is she just a slowpoke? Or is this normal?


#2 Offline NancyZamora4991 - Posted September 11 2021 - 10:36 AM

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I have the same thing going on with my lasius americanus I got them like 1 1/2 months ago in the same heat and they still have eggs (a couple have some vey small larva) idk what's going on


#3 Offline NickAnter - Posted September 11 2021 - 11:27 AM

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Lasius brood develops very slowly. Its pretty normal. They may be wanting to hibernate as well.


  • TypeD likes this

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 TypeD - Posted September 11 2021 - 11:41 AM

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Lasius brood develops very slowly. Its pretty normal. They may be wanting to hibernate as well.

 

Cool. Then I'll just forget about her for now and put her into diapause in a month or so.


#5 Offline Manitobant - Posted September 11 2021 - 7:29 PM

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It seems like they might be waiting until after hibernation. Lasius brood hibernates in the larval stage, and these may well be small larvae.
  • UtahAnts likes this
My journals:

Polyergus Mexicanus: https://www.formicul...gs/#entry175528
Lasius minutus: https://www.formicul...cs/#entry174811
Lasius latipes: https://www.formicul...gs/#entry206449
General acanthomyops journal: https://www.formicul...yops-with-eggs/

#6 Offline NancyZamora4991 - Posted September 11 2021 - 7:31 PM

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so I should put them in hibernation?


#7 Offline Manitobant - Posted September 11 2021 - 8:55 PM

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so I should put them in hibernation?

id recommend you both doing that yes.
My journals:

Polyergus Mexicanus: https://www.formicul...gs/#entry175528
Lasius minutus: https://www.formicul...cs/#entry174811
Lasius latipes: https://www.formicul...gs/#entry206449
General acanthomyops journal: https://www.formicul...yops-with-eggs/

#8 Online RushmoreAnts - Posted September 12 2021 - 6:25 AM

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Yes, Lasius brood develops ridiculously slow. In my experience egg to worker takes around 8 weeks, give or take a week, which isn't that short of the Camponotus life cycle. If the queen can't raise workers before hibernation, she'll stop the brood development in the larval stage and hibernate them. 


  • ANTdrew likes this

"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

 

Keeping:

Tetramorium immigrans

Formica cf. pallidefulva, cf. incerta, cf. argentea

Formica cf. aserva, cf. subintegra

Pheidole bicarinata

Myrmica sp.

Lasius neoniger, brevicornis

#9 Offline TypeD - Posted September 12 2021 - 12:07 PM

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so I should put them in hibernation?

id recommend you both doing that yes.

If I’m putting them into hibernation this early in the year then around when would I wake them up? All the way in spring, or?
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