All American

I thought I would add a little side notation to my Periplaneta americana white eye experience.

I keep my white eyed strain mixed with a handful of adult Periplaneta australasiae. The adults seem to get along together just fine, I've never had a problem with it but I've noticed a slightly annoying trend lately with the australian nymphs vanishing. At first I thought a majority of the 1i nymphs simply escaped because I had found a few in other tanks during feedings. Yes, some did escape and no they never became a problem outside of their enclosures but otherwise I was wrong. It seems americans are not against eating other cockroach nymphs.

I noticed my P. australasiae nymphs dwindling until I had a small handful left; at this point some were 3i and therefor too big to escape from their sealed enclosure. I thought I must be missing something so I watched the last few nymphs until I noticed a large white eye nymph grab one and chew it up. I had my answer and pulled the adult australians out of the white eye bin. All of my australian nymphs are gone yet my remaining adults are perfectly healthy. Once I get a much larger nymph population again I will combine the species once more. I want them to co-mingle together so I will simply accept that I will lose some nymphs here and there. The general idea is to overpopulate with australian nymphs to keep the white eye's from being capable of devouring all of them again, haha.

Out of my 19 bins 5 of them are multiple species with similar care needs. This is the first time I've had a negative experience with multiple specie enclosures. Go figure it was with one of the easiest to breed cockroaches, haha. :)

 
I thought I would add a little side notation to my Periplaneta americana white eye experience.

I keep my white eyed strain mixed with a handful of adult Periplaneta australasiae. The adults seem to get along together just fine, I've never had a problem with it but I've noticed a slightly annoying trend lately with the australian nymphs vanishing. At first I thought a majority of the 1i nymphs simply escaped because I had found a few in other tanks during feedings. Yes, some did escape and no they never became a problem outside of their enclosures but otherwise I was wrong. It seems americans are not against eating other cockroach nymphs.

I noticed my P. australasiae nymphs dwindling until I had a small handful left; at this point some were 3i and therefor too big to escape from their sealed enclosure. I thought I must be missing something so I watched the last few nymphs until I noticed a large white eye nymph grab one and chew it up. I had my answer and pulled the adult australians out of the white eye bin. All of my australian nymphs are gone yet my remaining adults are perfectly healthy. Once I get a much larger nymph population again I will combine the species once more. I want them to co-mingle together so I will simply accept that I will lose some nymphs here and there. The general idea is to overpopulate with australian nymphs to keep the white eye's from being capable of devouring all of them again, haha.

Out of my 19 bins 5 of them are multiple species with similar care needs. This is the first time I've had a negative experience with multiple specie enclosures. Go figure it was with one of the easiest to breed cockroaches, haha. :)
Hi vfox, do you believe that this predatory behaviour of the white eye strain nymphs could be particular and isolated of this variation of the P americana as a survival behaviour of their blind eyes nature ?? or this predatory behaviour of the nymphs could be also generalized on the whole P americana as a species ?? thanks, regards.

 
To be honest I am not certain. My Australians have just popped out two new ootheca so I will have babies in a while again. I might try and introduce a handful into my regular american colony and see what happens. I am curious about it myself.

 
Not that this is much of an update but I wanted to share what has become of my Periplaneta strains as of late.

Periplaneta americana (regular) is doing well as always, I have around 25-30 breeding adults and maybe 200-250 nymphs of all sizes.

Periplaneta americana (white eye) is exploding in numbers lately. Last count was 16 adults and around 18 sub adults with 100-150 small-medium nymphs. I'm excited they are doing so well.

Periplaneta australasiae are still not doing so well. 6 adults and about 8-10 large nymphs. The smallest nymphs are still vanishing. I'm going to start pulling ootheca to hatch separately soon.

Periplaneta brunnea is my newest addition. I'm at 5 adults and 2-3 sub adults with a small number of nymphs. These guys just recently matured so I'm still waiting on the first nymphs, ootheca have been produced however.

I hope once Kyle's colony of Periplaneta fuliginosa start producing well I'll be able to get some nymphs in the spring, fingers crossed to have all of the available species in the US hobby of these wonderful insects.

I know Periplaneta creeps a lot of you guys out, but give them a try, you'll love this robust and active cockroach!

(and if you can't deal with their breeding and general speed try E. floridana as a good segway species...soooo easily handled, and they smell like almond extract!)

 
I'm not sure how my Periplaneta fuliginosa are doing... I think there's some sort of parasite predating on their oothecae! All I keep finding are these weird little white and black bugs crawling all over the egg cases and cartons. I wonder if their presence is stressing out the adults. Unfortunately I don't think there will be babies any time soon, at least, not as long as these mysterious black and white things are around! :P

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Woot! Can't wait. :) They look a lot like Australian babies don't you think? Well the mysterious black and white bugs anyway. :P

 
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