Coenosia

Meigen, 1826

Tiger Flies

Species Guides

7

Coenosia is a large of predatory muscid flies comprising more than 350 . Members are commonly known as tiger flies due to their active hunting . They are documented from multiple continents including Europe, Asia, and North America. Some species serve as for fungi in the genus Strongwellsea, which exhibit unusual extended-host survival during .

Coenosia atrata by (c) Alison Northup, some rights reserved (CC BY), uploaded by Alison Northup. Used under a CC-BY license.Coenosia tigrina by (c) Michael Eisen, some rights reserved (CC BY), uploaded by Michael Eisen. Used under a CC-BY license.Coenosia uniformis by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Coenosia: /sɛˈnoʊsiə/

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Images

Habitat

Agricultural fields including potato plantations; specific associations vary by

Distribution

Denmark, Norway, Sweden, Vermont (USA), Xinjiang and Yunnan Provinces (China), Indonesia

Diet

Small insects; on agromyzid leafminer flies () has been documented in C. humilis

Host Associations

  • Liriomyza huidobrensis - preyApproximately 60% of prey items in C. humilis; agromyzid leafminer fly
  • Strongwellsea tigrinae - Entomophthoralean fungus; continues normal activities during extended
  • Strongwellsea acerosa - Entomophthoralean fungus; consumes genitals, fat reserves, reproductive organs, and muscle while host remains active

Behavior

C. humilis exhibits bimodal daily activity with peak activity in morning and afternoon. capture flying prey and extract body contents. Laboratory studies indicate consumption rates of approximately 23.5 leafminer flies per individual per day in C. humilis.

Ecological Role

of agricultural pest insects including leafminer flies; potential agent in crop systems. application suppresses predator and can promote pest .

Human Relevance

Used in research for agricultural pests; susceptible to broad-spectrum used in crop protection

Similar Taxa

  • Other MuscidaeCoenosia distinguished by predatory habit and associated hunting ; many muscids are saprophagous or non-predatory
  • Other predatory DipteraTiger fly shared with some robber flies (Asilidae); Coenosia distinguished by -level characters including reduced mouthpart structures typical of Muscidae

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Sources and further reading