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Black egg?


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7 replies to this topic

#1 Offline AntsSA - Posted November 25 2019 - 11:27 PM

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Hi all.

I have 2 plectroctena mandibilaris queens.
They both started laying in the same week.
The one queen has a plump larvae and many eggs and lives in an antkit acrylic formicarium.
The other queen, has no larvae, 7 normal eggs and one black egg, she dug under her acrylic formicarium.

Could why would this egg go black?

#2 Offline AntsSA - Posted November 25 2019 - 11:29 PM

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https://imgur.com/a/aJlDLSC

Edited by AntsSA, November 25 2019 - 11:33 PM.


#3 Offline ponerinecat - Posted November 26 2019 - 11:33 AM

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first off, amazing ants. I don't know of anyone who keeps these. Looking forward to their progress. To answer your question, there's a few possible reasons. The egg could be dead or consumed by mold. There could be a parasite within the egg. The egg probably isn't healthy in any case. Hope this doesn't hinder them in any way. 



#4 Offline ponerinecat - Posted November 26 2019 - 11:36 AM

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Looking at all those brown eggs, there's a small chance that its healthy and just off colored or maturing. I really don't know



#5 Offline Antennal_Scrobe - Posted November 26 2019 - 12:58 PM

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The eggs of the bottom queen look totally healthy. Egg morphology varies more than most people realize. Colobopsis eggs look like noodles, and Myrmecia eggs aren't sticky at all; they just sit on the floor like pupae do. Brown eggs don't seem to far off, especially for such an unusual ant. 


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


#6 Offline ponerinecat - Posted November 26 2019 - 3:29 PM

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The eggs of the bottom queen look totally healthy. Egg morphology varies more than most people realize. Colobopsis eggs look like noodles, and Myrmecia eggs aren't sticky at all; they just sit on the floor like pupae do. Brown eggs don't seem to far off, especially for such an unusual ant. 

He means the black egg in the top photo I believe. also there is a larvae in the bottom so he should know when the eggs are normal, as he's seen some mature.


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#7 Offline RushmoreAnts - Posted November 27 2019 - 10:07 AM

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The eggs of the bottom queen look totally healthy. Egg morphology varies more than most people realize. Colobopsis eggs look like noodles, and Myrmecia eggs aren't sticky at all; they just sit on the floor like pupae do. Brown eggs don't seem to far off, especially for such an unusual ant. 

Camponotus eggs can be white, yellow, orange, or pink.


"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

Pogonomyrmex occidentalis

Pheidole bicarinata

Myrmica sp.

Lasius neoniger, brevicornis


#8 Offline AntsSA - Posted November 27 2019 - 11:19 PM

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first off, amazing ants. I don't know of anyone who keeps these. Looking forward to their progress. To answer your question, there's a few possible reasons. The egg could be dead or consumed by mold. There could be a parasite within the egg. The egg probably isn't healthy in any case. Hope this doesn't hinder them in any way. 

was probably something like this, the egg has disappeared now, not sure if she ate it or just threw it out, the other queen's larvae has almost doubled in size by now, and eaten the entire millipede






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