Horn-1879

Guides

• Cybocephalus californicus

  Cybocephalus californicus is a minute beetle species in the family Cybocephalidae, described by Horn in 1879. The species is native to western North America, with documented occurrence in British Columbia, Canada. Adults measure 0.95–1.30 mm in length. Members of the genus Cybocephalus are known as predatory beetles that feed on scale insects and whiteflies, though species-specific biological details for C. californicus remain poorly documented.

  beetleColeopteraCybocephalidaeminute-beetlescale-insect-predatorNorth-AmericaCaliforniaBritish-ColumbiaHorn-1879poorly-known-speciesbiocontrol-potential

• Rhizophagus brunneus

  root-eating beetle

  Rhizophagus brunneus is a species of root-eating beetle in the family Monotomidae. The species was described by Horn in 1879. Two subspecies are recognized: Rhizophagus brunneus brunneus Horn, 1879 and Rhizophagus brunneus fenyesi Méquignon, 1913. Information on its biology and ecology remains limited.

  ColeopteraMonotomidaeroot-eating-beetleCentral-AmericaNorth-AmericaHorn-1879