Chlorotabanus mexicanus


Conservation Status

No information

No information

Natural History


Females feed on the blood of large mammals, especially domestic animals such as horses, pigs and cattle. It does not seem to feed on humans.


This species is nocturnal.

Life cycle

Immature stages have been collected in decaying leaves in small pools of water in a nearly dried up stream bed.

Habitat and Distribution


Non-forested lowlands.

Distribution outside Costa Rica

Southern Mexico to northern Brazil; Trinidad.

Conservation Area Distribution

Amistad CaribeAmistad PacificoHuetar NorteArenalCordillera Volcanica CentralGuanacasteOsaPacifico CentralTempisqueTortuguero

Type Locality

"South America"

Demography and conservation

Threat status

This species is one of the most commonly collected horse flies in Costa Rica.


Scientific description

Hind tibiae without apical spurs; basicosta without strong setae; third antennal segment with at most an acute dorsobasal angle; tibiae not or only slightly inflated; frontal callus absent; uniformly pale pilose insects with greenish integument and unbanded eyes; labella sclerotized; wings with distinct dark spots on all crossveins and at the tips of the longitudinal veins; all tibiae black haired apically.


  • Kingdom: animalia
  • Phylum: arthropoda
  • Class: insecta
  • Order: diptera
  • Family: tabanidae
  • Genus: chlorotabanus

General Data

Language: Ingl├ęs

Author: John Burger

Contributors: Manuel A. Zumbado, Cristian Granados, Elvia Zumbado

Taxon record ID: 4513

Date last modified: 4/4/2011

Date created: 9/6/2000

Date Issued: 11/14/2002


Fairchild, G.B. 1986. The Tabanidae of Panama. Contributions of the American Entomological Institute 22(3): 1-139 (adults).

Goodwin, James T. and Wallace P. Murdoch. 1974. A study of some immature Neotropical Tabanidae (Diptera). Annals of the Entomological Society of America 67: 85-133 (immature stages).