No
Roaches are brown?
There are over 5,000 species of cockroaches and can vary in color from brown, black, yellow, red, green, white (when it sheds is skeleton) and variations of multiple colors. You can see a few here: http://www.angelfire.com/oh2/Roaches/
no,white roaches are not poison.
Roaches are small and light fixtures can have holes up to 1/4" that the roaches can crawl in.
Yes, roaches live in deserts.
Tree roaches look similar to regular household roaches, but are a bit different. They do not bite, but eat wood.
because they hibernate in your house and stay in the walls until summer
Tarantulas may lie upon their backs because they are dead or have been immobilized by the sting of a Tarantula-hawk . ~ see related link . MORE : I have had 4 and they lay on their backs when they molt.
Brown basilisks can eat roaches. My neighbors old basilisks ate roaches that we found in our neighborhood.
Of course there are roaches in Nicaragua, and in all of Central America. Roaches love tropical climates, and will grow very large there.
crickets roaches mealworms dubia roaches