Toxonevra

Macquart, 1835

flutter flies

Species Guides

3

Toxonevra is a of small flies in the Pallopteridae, commonly known as . The genus contains approximately eight described distributed across Europe and North America. Members are characterized by distinctive wing patterns and male courtship involving wing vibration. One species, T. muliebris, has been sequenced as part of the Darwin Tree of Life Project.

Toxonevra superba by (c) Katja Schulz, some rights reserved (CC BY), uploaded by Katja Schulz. Used under a CC-BY license.Toxonevra superba by (c) Katja Schulz, some rights reserved (CC BY). Used under a CC-BY license.Toxonevra superba by (c) Katja Schulz, some rights reserved (CC BY), uploaded by Katja Schulz. Used under a CC-BY license.

Pronunciation

How to pronounce Toxonevra: /tɒkˈsoʊnɛvrə/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Males can be recognized by their characteristic wing-extending and vibrating , which gives the its . T. muliebris specifically shows a broad brown band that loops around the wing and a brown with two dark dorsolateral stripes. -level identification requires examination of morphological details not consistently documented across the .

Images

Habitat

Larvae occur under bark of conifers and birch; also recorded from elder. frequently found indoors on windows.

Distribution

Widely distributed in western and northern Europe (Spain to Germany, Great Britain, Ireland, Denmark; absent from Fennoscandia), with scattered records from Montenegro, Greece, and Turkey. Also recorded from western Canada (Victoria, BC). In Britain, common in the south, less common in northern England, scarce in Scotland.

Seasonality

active from June to October (based on T. muliebris records).

Diet

Likely mostly saprophagous. may feed on detritus from carpet beetles (Coleoptera, Dermestidae) or the larvae themselves.

Host Associations

Life Cycle

Larvae occur under bark of conifers and birch; also recorded from elder. active from June to October.

Behavior

Males extend their wings and vibrate them during courtship, giving the the "".

Human Relevance

frequently found indoors on windows, where they may be associated with carpet beetle . The of T. muliebris has been sequenced as part of the Darwin Tree of Life Project, yielding a 491.40 Mb genome with 21,433 protein-coding genes.

Similar Taxa

  • other Pallopteridae genera share the characteristic male wing-vibration ; Toxonevra distinguished by specific wing patterning in described
  • small acalyptrate Dipterasimilar size and habitus; Toxonevra distinguished by looping wing band pattern and thoracic stripes where documented

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Sources and further reading