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The vivarium I'm using for B. Orientalis nymphs does not have a substrate; I don't mind cleaning it every week or so, just to get rid of the frass. But I have some potting soil (4 years old, very dry) and I thought it would be interesting to observe them with the substrate, and I would need a...

Just completed a 24 hour time lapse series (one frame every 5 minutes) of the B. Orientalis nymphs doing their thing. Very interesting to see them moving around the different chambers, climbing the stick in the background, but mostly sitting still and doing nothing. I used Irfanview to create...

This is a proof of concept for a device to safely pick up small roaches. Using small zip-ties, short strips of silicone were attached to a pair of self-closing tweezers. The silicone strips may need to be replaced by rubber; the surface is very slick and provides poor grip. No roaches were...

This is the latest housing structure for my B. Orientalis nymphs, and is the best (so far) for observation and study. The walls are 2mm thick and 8mm apart, which is a good indicator of their size.

The design of my enclosure (http://www.roachforu...?showtopic=6118) requires me to relocate the critters when I clean the enclosure or replace the internal structures. But these little guys are frisky and very quick, which makes their relocation tricky. Because B. Orientalis are tolerant of...

I've read that beer is a great attractant for roaches, supposedly they love the stuff. But I've also read that too much can kill them; is it the alcohol? I'd like to give my little guys a treat of Guinness, which is less than 4% ABV. Any thoughts? Thanks.

Observations of complete moltings have eluded me, so I'm glad I was able to see this. A few minutes earlier she (B. Orientalis) was just sitting there in quiet repose...perhaps the gravity-assist sped the process up.

There is only one name synonymous with luxurious residential living...

Up until 1926 or so, the "common cockroach" was named Periplaneta Orientalis. Is this roach now known as Blatta Orientalis?

This is an example of the enclosures that were made for my two sets of B. Orientalis nymphs. The container is a commonly available plastic jar (PETE plastic, recycle code 1) in which 1.0mm holes were drilled around the top and bottom circumferences. These holes allow plenty of ventilation and...

I've read that, in the laboratory, carbon dioxide (CO2) is used to anesthetize roaches, and that too high of a concentration of CO2 will kill them. My B. Orientalis nymphs are in air-tight containers, with hundreds, maybe thousands, of 1mm holes drilled in the top and bottom. I figure that the...

Total n00b here... Captured this fine specimen this past July, and based upon size and nearly black color (topside), I determined she's one of our favorite pests, Blatta Orientalis. I say "she" because a few weeks after capture she dropped an ootheca. A week later another one, and kept...