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Chilean Rose egg sack??
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by lucifer on October 11, 2006
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About three weeks ago my chilean rose tarantula spun up an ping pong size ball which I believe is an egg sack. As far as I know this spider was kept alone and not bred for some time anyway, though this spiders history is a little shaky. I drove an hour to pick it up for free from an individual who was under the impression that it was a Goliath bird eater. To my disapointment when I looked into the jar he handed me it was a common rose. The gentleman I picked it up from was asian and spoke broken english so I took the spider and gave it a good home. But what is the deal with the sack, could it be fertile and is there any special care I need to administer or just let nature run its course? Any info would be great>
Thanks Derick David
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RE: Chilean Rose egg sack??
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by Cro on October 11, 2006
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Derick, the egg sack could very well be fertile. Just keep it at room temperatures or slightly warmer and wait and see.
Would not surprise me if they hatch within 2 months.
Just make sure that the screen mesh on the cage is fine textured so that the hatchlings are contained.
Best Regards JohnZ
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RE: Chilean Rose egg sack??
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by pitbulllady on October 11, 2006
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How long have you had the spider before it produced the eggsac, and has she moulted since you got her? This species, along with many other tarantulas, can actually store sperm for up to two years, provided that they do not moult. The sperm is stored in compartments within the exoskeleton, so if the spider moults between mating and egg-laying, the eggs will not be fertile, since the sperm will be moulted right along with the rest of the exoskeleton. If the spider has not moulted while in your care, the eggs could still be fertile. However, it is not uncommon for tarantula females to produce infertile eggsacs, and they will guard and care for these as if they were viable. Give it a couple of months, and if you see no signs of babies(which are VERY tiny), or the mother abandons the sac, remove it. Some female tarantulas will stay with the sac indefinately, and will not eat while caring for it, so if it is infertile, you will have to remove it. Be prepared for a battle, though; a Grizzly sow has nothing on a mother Grammostola rosea protecting her offspring(or what she THINKS are her offspring)! My only tarantula bite came from this very species, in this very situation. It is also not that uncommon for female tarantulas to "adopt" inanimate objects in their cages, following removal of an eggsac, and carry those around and guard them just as if this were their eggsac, much like a dog having a "false pregnancy" mothering a shoe or other puppy-sized object.
pitbulllady
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RE: Chilean Rose egg sack??
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by lucifer on October 12, 2006
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Thanks for the info john and pitbullady,She has not molted in my care which has only been about 2 months. How small of a netting do I need, Can the hatchlings climb the glass of a 10gal aquarium? The adult can not and I have a standard screen top to contain her if she were to find a way. Is that sufficent for the hatchlings?
Thanks, Derick
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RE: Chilean Rose egg sack??
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by SwampY on October 12, 2006
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Here's a trick I've used in hatching widow eggsacs...
take a well laundered tee shirt of the white underwear variety and stretch it over the top of the enclosure, then put in place one of those nice metal screen tops with the clips.
It also works well on those plastic critter keeper cages.
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RE: Chilean Rose egg sack??
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by Cro on October 12, 2006
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Derick, pay attention to what Chad said. Hatchling spiders and scorpions are amazingly small, and very able to climb the glass and excape through the screen top !
When I was working at the AZP, one of the Androctonus australis Scorpions produced about 40 young, almost all of which excaped through the screen lid of the exhibit cage. I captured a few, but most went on to live in the center section of reptile building. Every now and then, one would turn up when someone mooved a cage or stock tank. I wonder is there are any still out and about in that section of the building?
Best Regards JohnZ
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RE: Chilean Rose egg sack??
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by SwampY on October 12, 2006
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Here's a funny story, I used to help out part time on weekends at a reptile shop. Mike had a black widow in a small critter keeper on the shelf behind the register. It spun an egg sac and he kept saying he was going to take the sac out. He never got around to it. One day he was on the phone and leaning with one arm on the shelf. He felt something on his hand and hundreds of baby widows were crawling onto his hand. He dropped the phone and grabbed a can of proventamite and just started blasting them. He didn't get a bite but his reaction was priceless.
One time I was photographing an adult reclusa in my kitchen on a piece of drift wood. The phone rang and it was BW Smith. I kept my eye on the spider while I was talking to him. I glanced down for a split second then looked right back up and guess what... no spider. I never did find it. I did empty three cans of proventamite, a can of raid and anything else I could find into the kitchen that day LOLOLOL
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RE: Chilean Rose egg sack??
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by SwampY on October 12, 2006
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oh oh oh, almost forgot, if you use the plastic critter keeper with the piece of tee shirt.... turn it upside down. Their natural tendency is to crawl upwards and if the material is at the bottom they won't be constantly crawling around the weak link in the chain.
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RE: Chilean Rose egg sack??
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by lucifer on October 15, 2006
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Thanks for all the info everyone but unfortunatly she ate the egg sack today after about four weeks of care. I am assuming that means it was infertile? take it easy.
Derick David
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