Corethrella

Larvae develop in aquatic environments including streams, pools, tree holes, bamboo internodes, and other water-filled containers. Adults are associated with frog habitats in tropical and subtropical forests.

Pantropical distribution across Central and South America, Caribbean, Africa, Asia, and Oceania. Absent from Europe, northern Africa, and middle to northern Asia. Fossil species known from Cretaceous Lebanese and Burmese ambers, Eocene Baltic and Rovno ambers, and Miocene Dominican amber.

Nocturnal activity pattern in adults.

Larvae are predaceous, feeding on other aquatic organisms. Adult females are hematophagous, feeding on blood of frogs and toads.

• frogs (Anura) - blood hostadult females feed on frog blood
• toads (Anura) - blood hostadult females feed on toad blood

Aquatic larval and pupal stages. Larvae pass through multiple instars before pupating. Females exhibit autogeny (can produce eggs without blood meal). Final instar larvae show canalized pupation threshold with lengthy postthreshold period.

Adult females use phonotaxis to locate hosts, flying toward male frog advertisement calls. Prefer low dominant frequencies (below 1 kHz) and short pulse durations (125–500 ms). Attraction increases with higher call rates and greater call complexity. Nocturnal host-seeking behavior.

Larvae function as predators in aquatic systems. Adult females act as micropredators and ectoparasites of frogs. Serve as vectors for trypanosome parasites (Trypanosoma), with infection prevalence in midges ranging from 2.9% to 23.5% across localities.

Research interest due to unique acoustic host-finding behavior. Serve as model organisms for studying parasite-host coevolution and trypanosome transmission ecology. No direct economic or medical significance to humans established.

• Culicidae (mosquitoes)both are nematoceran Diptera with aquatic larvae and blood-feeding females; distinguished by Corethrella's unique phonotactic host location and association with frogs rather than mammals or birds
• Chaoboridae (phantom midges)historically Corethrellidae was classified within Chaoboridae; distinguished by Corethrella's hematophagous adult females and phonotactic behavior versus Chaoboridae's non-biting adults

• phonotaxis
• hematophagy
• acoustic parasitism
• trypanosome vector
• autogeny
• pantropical
• fossil record
• Cretaceous

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• FIRST CANADIAN RECORD OF CORETHRELLA BRAKELEYI (DIPTERA: CHAOBORIDAE)
• Host Preference and Phylogenetic Analysis of Corethrella nippon Miyagi 1980 in Taiwan
• Corethrella (Diptera: Corethrellidae) of North America North of Mexico: Distribution and Morphology of Immature Stages
• Pan Traps as an efficient and low cost method for sampling Corethrella Coquillet, 1902 (Diptera: Corethrellidae)
• Corethrella (Diptera: Corethrellidae) of Eastern North America: Laboratory Life History and Field Responses to Anuran Calls
• Cues used in host-seeking behavior by frog-biting midges (Corethrellaspp. Coquillet)
• Testing Developmental Plasticity in Aquatic Larvae ofCorethrella appendiculata(Diptera: Corethrellidae)
• Uninvited guests: diversity and specificity of Trypanosoma infections in frog-biting midges (Corethrella spp.)
• Two new species of fossil Corethrella Coquillett from Late Eocene Rovno amber, with a species‐level phylogeny for the family based on morphological traits (Diptera: Corethrellidae)
• Acoustic Preference of Frog‐Biting Midges (Corethrella spp) Attacking Túngara Frogs in their Natural Habitat
• Acoustic localisation of frog hosts by blood‐sucking flies Corethrella Coquillet (Diptera: Corethrellidae) in Borneo
• The sound of a blood meal: Acoustic ecology of frog‐biting midges (Corethrella) in lowland Pacific Costa Rica
• <p><strong>First male of <em>Corethrella</em> <em>andersoni</em> Poinar &amp; Szadziewski, 2007 (Diptera: </strong><strong>Corethrellidae) from mid-Cretaceous Burmese amber</strong></p>
• Preliminary Study on Host Use and Phylogenetic Analysis of Corethrella nippon in Taiwan