Lateralis versus dubia
Lateralis are very fast breeding as they lay egg cases instead of holding them inside until hatching. They can lay egg cases every 2 weeks and have 20 or even more nymphs per case hatch. The nymphs are also smaller. In fact Blatta lateralis aka turkistan roaches are aboutthe closest to cricket size of non climbing roaches. If kept sufficiently warm and a large proportion of males result the males can actually fly pretty well. Females are wingless and no danger of them escaping like that. Another advantage is they do not dig or burrow, however will crawl under things if they can. They are also very fast.
Dubia are a bigger, meatier roach. They also move slower, dig and burrow. As the leading bulk seller of roaches in the USA we can also state they arethe most popular, however the lateralis are a lot less expensive.
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