Coccinellidae wide variety of beetle species in other families as "ladybirds", i.e. coccinellids. Beetles are particularly prone to such misidentification if they are spotted in red, orange or yellow and black. Examples include the much larger scarabaeid grapevine beetles and spotted species of the Chrysomelidae, Melyridae and others. Conversely, laymen may fail to identify unmarked species of Coccinellidae as "ladybirds". Other beetles that have a defensive hemispherical shape, like that of the Coccinellidae (for example the Cassidinae), also are often taken for ladybirds. A common myth, totally unfounded, is that the number of spots on the insect's back indicates its age.
Guadalupe (name) phrases include "Coatlaxopeuh" ("The one (female) who defeats the snake", interpreted as a reference to the serpent-Devil in the book of Genesis); "Tequatlanopeuh" ("she whose origins were in the rocky summit"), and "Tequantlaxopeuh" ("She who banishes those who devoured us"). The first to suggest the corruption theory behind the name was Bercera Tanco, in 1675. However, every manuscript from the first 150 years following the apparition uses the name "Guadalupe", including the original text in Nahuatl, leading scholars to conclude that time provides "no historical evidence indicating that the Virgin was called by any of the names proposed". In fact,