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Tarantula Cyriocosmus elegans

Breeding Report details

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Initial Breeding Date
April 14th 2023
Special Notes
Female conditioned by upping feeding schedule. Exact date of last moult of female was unknown due to her being a moult destroyer and rarely showing herself, but presumed about 2 months.
Male approx. one month mature.
The enclosures were placed side by side inside a big plastic shoebox and opened. The male, sitting out in the open, strolled into the females enclosure without any encouragement needed.
Both pairing attempts were done in this manner.
During the first pairing the male was very enthusiastic and wandered around above the female's burrow tapping and vibrating. Without any success in luring her out, however, the male opted to dig his way down there instead of waiting for her to come out or go around to find the entrance. Male disappeared inside the tunnels and was gone for the next two hours. After seeing what I thought was some serious struggle down there but being unable to actually see what was happening I opted to dig a hole and see what was going on, and if I had just lost the male. The male was fine and the female was calm so most likely no struggle had taken place. Having interrupted them I decided to coax the male out and try again another day.

Second pairing took place a week later and went much like the first, except that the male barely did any tapping and instead went straight into her burrow, through the opening this time. I could see enough to make out him having lifted her up and hooking her fangs after only a few minutes since introduction. They remained hooked up for several hours with the male going for insertions every hour or so. Due to the poor angle I couldn't see the actual insertions, only the male moving in for them.

When I saw no signs of them being done after 4+ hours I opted to leave him in there during the night. I had already placed both enclosures in a plastic shoebox so that the male could escape if he needed to. I added a ventilated lid and called it a night. The following morning I found him sitting in a corner in the shoebox, unharmed. The female had closed up her burrow during the night.
Post Mating Care
Female was kept as usual, only difference is that she was moved to an area of the room with slightly higher temperature (from 23-24°c to 26°c).
Time & Care
In early May, about two weeks post last pairing, I noticed the female remodeling inside her burrow and dropping a very small egg sac.
A few days after laying the sac I found the remains of the sac discarded outside the burrow. Its contents appeared to have been eaten.
Final Details
Female ate sac.
Despite the outcome, I found this species to be very easy to pair. No long uneasy courtship before hooking up, no aggression from either side, and no special requirements for the female to drop the sac.

What brings the rating down a notch is that they stay hooked up for hours and hours, and with just a few very quick insertions spread out over the span of these hours it's easy to miss if you look away for just a moment, leaving you guessing if insemination has actually been achieved.
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