Schaeffer-1933

Guides

• Colaspis viridiceps

  Green-headed Colaspis Leaf Beetle

  Colaspis viridiceps is a leaf beetle species in the family Chrysomelidae, native to southwestern North America. It was first described by Charles Frederic August Schaeffer in 1933. The species is distinguished by its greenish head coloration, reflected in its specific epithet. Two subspecies are recognized: C. viridiceps viridiceps and C. viridiceps australis.

  leaf-beetleChrysomelidaeSouthwest-North-Americagreen-headSchaeffer-1933

• Cryptocephalus cupressi

  Cypress Cryptocephalus

  Cryptocephalus cupressi is a case-bearing leaf beetle in the family Chrysomelidae, first described by Schaeffer in 1933. As a member of the large genus Cryptocephalus, this species is known from North America. The specific epithet 'cupressi' suggests an association with cypress (Cupressaceae), though detailed biological information remains limited. The species is documented in 11 iNaturalist observations.

  ChrysomelidaeCryptocephalusleaf-beetlecase-bearing-beetleNorth-AmericaSchaeffer-1933

• Oulema margineimpressa

  Oulema margineimpressa is a species of leaf beetle in the family Chrysomelidae, subfamily Criocerinae. It was described by Schaeffer in 1933 and is known from North America. Members of the genus Oulema are commonly referred to as cereal leaf beetles, though specific ecological details for this species remain poorly documented.

  leaf-beetleChrysomelidaeCriocerinaeNorth-AmericaSchaeffer-1933data-deficient