Insect collecting Insect collecting has left traces in European cultural history, literature and songs (e.g., Georges Brassens's "La chasse aux papillons" ("The Hunt for Butterflies")). The practice is still widespread in many countries, and is particularly common among Japanese youths. Insects are passively caught using funnels, pitfall traps, bottle traps, malaise traps, flight interception traps and other passive types of insect traps, some of which are baited with small bits of sweet foods (such as honey). Different designs of ultraviolet light traps such as the Robinson trap are also used by entomologists for collecting nocturnal insects (especially moths) during faunistic survey studies.
Holdrian comma equal temperament are closer to Pythagorean tuning than that of 55. Thus Mercator's comma and the Holdrian comma are two distinct but related intervals. The name "Arabian comma" may be inaccurate; the comma has been employed mainly in Turkish music theory by Kemal Ilerici, and by the Turkish composer Erol Sayan. The name of this comma is "Holder koması" in Turkish. For instance, the makam "rast" (similar to the Western major scale) may be considered in terms of Holdrian commas: while in contrast, the makam "nihavend" (similar to the Western minor scale): has medium seconds between d–e, e–f, g–a, a–b,