M-nigrum-marking

Guides

• Pachybrachis m-nigrum

  Pachybrachis m-nigrum is a species of case-bearing leaf beetle in the family Chrysomelidae, first described by Melsheimer in 1847. The specific epithet 'm-nigrum' refers to a distinctive black marking shaped like the letter 'M' on the elytra. Like other members of the genus Pachybrachis, it constructs protective cases from fecal material. The species is documented from eastern Canada and has been recorded in the southwestern United States.

  ChrysomelidaeCryptocephalinaecase-bearing-leaf-beetleNorth-AmericaPachybrachisM-nigrum-marking