Saturday, December 12th, 2009 6 12 /12 / December /2009 12:03

Number of days or the presence of eggs is observed in her(it) colonie*:

....................... 1Er Laid egg ................ More present egg

Year 2006 of 29/03/06 ......... on ......... 15/07/06 ................... is a period of 108 days

Year 2007 of 11/03/07 ......... on ......... 20/06/07 ................... is a period of 101 days

Year 2008 of 25/02/08 ......... on ......... 01/06/08 ................... is a period of 96 days

Year 2009 of 04/04/09 ......... on ......... 24/07/09 ................... is a period of 111 days

Year 2010 of 05/04/10 ......... on ......... 12/07/10 ................... is a period of 98 days


The average is of 104 days or the presence of eggs is noticed over one year of development. This last one to this sort(species) is cyclic and is checked(controlled) by its internal clock accompanied by environmental signs.

This sort(species) is a said endogène - hétérodynamique sort(species) (the seasonal cycles and the forms of dormancy to ants hymenopterans, Formicidae Vladilen E. Kipyakov).

The external temperatures and the photoperiod ( the climate) in the nature adjusts the period of development over the year, here, on a captive colony(summer camp), it is pulled(fired) by " its rest " by a slow increase of the temperature and a few days in more clement temperatures will be enough for putting back(handing) " the hourglass " on the way. Larvas will belong to new fed and according to my observations eggs are laid always between 4 and 12 days before larvas in slow brood ( wintering brood) at the end of cycle weave their cocoon.

On the observations made by the colony(summer camp) the period or the eggs are present over one year remains rather regular from one year to the next and the same by warming more or less. Actually, the decline of the staff(size) observed in 2009 would be bound(connected) to a temperature below a temperature favorable to a good development to this sort(species) which would have had for consequence a number of generations limited in the year, to verify...

The stop(ruling) of the laying(eggs) is early made in captivity, at about June / July, the premature exit(release) of diapause of the colony(summer camp) is the cause, de facto(actually) the development ends earlier here that what is noticed in the nature. We thus move this period what is not certainly a good thing(matter) for its good long-term development.


Présence d'oeufs observée chez Camponotus ligniperdus

Heavyweight(Laying,Eggs) of an egg by queen C. ligniperdus. The egg will be received by the worker is taken towards the already existing "cluster".

Ponte de la reine Camponotus ligniperdus


Ouvriere-Camponotus-ligniperdus-copie-1.jpg
* The year of foundation of queen ( 2005 ) is not taken into account.

By Chris. - Published in: breeding (data and experiences(experiments))
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