1863-description

Guides

• Colias christina

  Christina Sulphur

  Colias christina is a Pierid butterfly endemic to western North America, ranging from the Yukon and Northwest Territories south through the Canadian prairie provinces to the northern Rocky Mountain states of the United States. The species was named in 1863 by William Henry Edwards in honor of its first collector, Christina Ross. Adults display sexual dimorphism in wing coloration and are active from May through September.

  Pieridaebutterflywestern-North-Americamontanesexual-dimorphismlegume-feeder1863-descriptionChristina-Ross

• Therion tenuipes

  Therion tenuipes is a species of ichneumon wasp in the family Ichneumonidae. Little specific information is documented for this species, though it belongs to a genus whose members are parasitoids of moth caterpillars. The species was described by Norton in 1863.

  parasitoidichneumon-waspHymenopteraIchneumonidaeTherionNorth-America1863-descriptionNortontenuipes

• Trypetisoma sticticum

  Trypetisoma sticticum is a species of fly in the family Lauxaniidae, first described by Loew in 1863. The genus Trypetisoma is a small group within the Lauxaniidae, a family of small to medium-sized flies commonly known as lauxaniid flies. Members of this family are generally associated with decomposing organic matter and are often found in forested habitats.

  DipteraLauxaniidaeTrypetisoma1863-descriptionLoew