In Ecuadorian mountain range, particularly in the province of Pichincha (I do not know if in the other provinces it is found) there is a tree of not very large proportions called Chinchin has a particular aroma, of yellow flowers, its seeds are in a pod that when dried when shaken produce a sound somewhat like a rattlesnake. I then deduce that the place populated by bedbugs is called chinchinal.
They are two cities of Ecuador and Peru in Latin America. A word of ready to the Northwest of the province of Zamora, which has some phonetic similarity with this is " 34 machinal; It is the square hole that is in the stone walls after removing the scaffolding of wood to make them. In these holes tend to do their nest tits then.
