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Heterostylum

Heterostylum is a genus of flies belonging to the family Bombyliidae (bee-flies). There are 14 described species, distributed throughout the Americas. These are robust and very hairy flies with a body length of 10–15 mm. They can be distinguished from similar genera by an indentation in the hind margin of the eye and unique wing venation.

Larvae of the genus feed on mining bees.

Species

  • Heterostylum bicolor <small>(Loew, 1861)</small> - Neotropical: Cuba.
  • Heterostylum croceum <small>Painter, 1930</small> - Nearctic: USA (Colorado, Kansas, Missouri, New Mexico, Texas)
  • Heterostylum deani <small>Painter, 1930</small> - Nearctic: USA (Colorado, Kansas, Wyoming)
  • Heterostylum duocolor <small>(Painter & Painter, 1974)</small> - Neotropical: Argentina
  • Heterostylum engelhardti <small>Painter, 1930</small> - Nearctic: USA (Arizona, California, Texas, Utah).
  • Heterostylum evenhuisi <small>Cunha & Lamas, 2005</small> - Neotropical: Brazil: Bahia, Ceará, Goiás, Pará, Pernambuco, Rio Grande do Norte, São Paulo.
  • Heterostylum ferrugineum <small>(Fabricius, 1805)</small> - Neotropical: Bolivia, Brazil (Bahia, Ceará, Mato Grosso, Roraima, São Paulo)
  • Heterostylum engelhardti <small>Painter, 1930</small> - Nearctic: USA (Arizona, California, Texas, Utah).
  • Heterostylum haemorrhoicum <small>(Loew, 1863)</small> - Neotropical: Cuba, Haiti.
  • Heterostylum helvolum <small>Hall and Evenhuis, 1981</small> - Nearctic: Mexico (Sinaloa, Sonora, Tamaulipas, Zacatecas).
  • Heterostylum hirsutum <small>(Thunberg, 1827)</small> - Neotropical: Argentina, Brazil, Colombia, Paraguay, Venezuela.
  • Heterostylum maculipennis <small>Cunha & Lamas, 2005</small> - Nearctic: Brazil: Rio de Janeiro, Santa Catarina, São Paulo
  • Heterostylum pallipes <small>Bigot, 1892</small> - Neotropical: Haiti.
  • Heterostylum robustum <small>(Osten Sacken, 1877)</small> - Nearctic: Canada (Alberta), Mexico (Baja California, Baja California Sur, Coahuila de Zaragoza, Guerrero, Morelos, Nuevo León, Puebla, Sinaloa, Sonora, Tamaulipas), USA (Arizona, California, Colorado, Georgia, Idaho, Kansas, Nevada, New Mexico, Oklahoma, Oregon, Texas, Utah).
  • Heterostylum rufum <small>(Oliver, 1789)</small> - Neotropical: Argentina, Brazil (Acre), Guatemala, Guyana, Mexico (Tabasco), Peru, U.S. Virgin Islands.

References