She stoped eating and really fat in the abdomen

From what I have gathered from other breeders, is that when they stop eating and there abdomen is fat and oval shaped, you should try heat the cage up to min 26`and max 32` 24/7 until it drops its egg sack... and do not disturb the spider in this period....

I have not bred these before, so someone with more knowledge on this specific species might be of more pinpoint info.

But what I have seen from other grammostola species is that very little is required for them to lay an egg case, mate them before winter and they will drop as soon as winter is gone and its nice and warm.

But if you are impatient I would say heat up to a constant temperature of 30degC and spray a one side of the enclosure a little bit not a lot.

if they react the same as rosea, she will start showing abnormal behavior, she will start digging and moving all the substrate around, each and every day she will re-arrange her whole enclosure. You will see her webbing weird, difficult to describe, you will know what I'm talking about as soon as you see it

She will produce an egg case soon after

Its difficult to say as Ceno has said she can drop in a week or after a couple of months, the wonder of spiders :woohoo:

Have you noticed any of the above mentioned behavior?

As I said previously a photo would be nice.

Hope this helps. If there's anybody else out there that has bred these before please participate in this discussion :silly:

Jap she spins every were and digs and moves everything round allot.

Goldenspider wrote: Hey how long does it take for a G.pulchripes female to drop an egg sack after the day she has been mated?

Tarantulas do not work the same way that people do! E.g., 9 months after that fateful tryst in the back seat of your Dad's Chevy they don't pop out a baby. :woohoo:

Let's see here. Platnick says they come from Paraguay and Argentina. That's in S. America, well into the southern hemisphere. Your end of the planet, no? (Do you get where I'm going here?)

So, my guess is that it will produce an eggsac sometime during your spring. What season is it where you are now?

If she was in breeding condition when she was mated, and already had a load of eggs ready, she could drop an eggsac any day now. If she wasn't in season, she'll have to take time to make a bunch of eggs before she can lay them, so she might be a month or 2 late.

If she never came into breeding condition this year, or if the male was a dud (this happens), she won't produce an eggsac.

Another way of approaching the question is to ask, "When does she ordinarily molt?" Most bred female tarantulas produce an eggsac about the same time of the year that they would otherwise molt. Molting is then usually postponed several months until the babies emerge from the eggsac and begin to disperse from the mother's burrow. When did she molt last year? Has she molted yet this year? When do you expect her to molt again?

Ambient temperature is almost a non-issue. Because tarantulas are poikilotherms (cold blooded), they are little effected by temperature except in the extremes. I KNOW THAT THIS IS CONTRARY TO EVERYTHING THAT YOU'VE BEEN TOLD, but it's true. Temperature is almost irrelevant unless she was kept in a refrigerator or in a steam bath. The eggs may take a few days longer or less to be produced, but her reproductive behavior is entrained to the seasons, not to a thermometer. Only people (and only the female sex at that) bother checking temperature to decide when to breed! :ohmy:

So is humidity for the most part a bogus issue. Inside her body where the eggs are being produced the humidity is 100%+. They're bathed in a surplus of a water based fluid. Her internal organs and the developing eggs could care less about humidity outside. Humidity might play a role in determining the precise time that she produces the eggsac in that a sudden rise in humidity could prompt her to start the behavioral process of building an eggsac and spewing out the eggs. But, that's a short term thing.

"Do I do it today or tomorrow? Well look at that! The humidity just jumped. It must be a rain shower, I'll drop the eggs today!"

Non-rain forest tarantulas tend to synchronize egg laying with the rainy season because within a few weeks of a rain or the beginning of the wet season there will be bugs everywhere for the babies to eat.

Best of luck. Keep us posted on your success.

Enjoy your 500 little 8-legged darlings!

Thanks Uncle Stan