Phasia obesa
Phasia obesa | |
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Phasia obesa, male | |
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Species: | P. obesa
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Binomial name | |
Phasia obesa (Fabricius, 1798)
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Phasia obesa is a species of 'parasitic flies' belonging to the family Tachinidae subfamily Phasiinae.[2][3]
Distribution
This fly is present across the palaearctic ecozone, in most of Europe,[4] in Israel, in Iran, in Russia, in China and in Japan.[5][6]
Description
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Phasia_obesa_%28female%29_-_Flickr_-_S._Rae_%281%29.jpg/240px-Phasia_obesa_%28female%29_-_Flickr_-_S._Rae_%281%29.jpg)
The adults grow up to 4–6 millimetres (0.16–0.24 in) long. Their large compound eyes are reddish. Antenna, including arista, are black. The body is greyish, with four longitudinal black bands interspersed with clear bands of the same thickness on mesonotum. The side of thorax shows black setae. The abdomen is black. The large wings show a light brownish shading. The cell R5 is closed at the edge. Basicostae are black. In the males eyes are separated by a distance narrower than the ocellar triangle.[6]
Biology
Adults can mostly be encountered from June through September feeding on nectar of flowers (especially of Asteraceae species).
Larvae of Phasia obesa are parasitoids on adults or nymphs of various species of plant bugs (Neottiglossasp. and Zicrona caerulea Pentatomidae, Leptopterna dolabrata and Beosus maritimus Miridae, Lygus pratensis, Lygus rugulipennis Lygaeidae, Myrmus miriformis Rhopalidae, etc.).[6]
Bibliography
- James E. O'Hara, Hiroshi Shima, & Chuntian Zhang - "Annotated Catalogue of the Tachinidae (Insecta: Diptera) of China" - Zootaxa 2190 (2009): 1-236
- Birgitta Rmerta; Sven Hellqvistb; Mette Kjbek Petersen - A survey of Lygus parasitoids in Sweden - Biocontrol Science and Technology, Volume 15, Issue 4, 2005, Pages 411 - 426
References
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikispecies-logo.svg/34px-Wikispecies-logo.svg.png)
![](http://upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png)
- ^ Chandler, Peter J. (1998). Checklists of Insects of the British Isles (New Series) Part 1: Diptera. New Series. Vol. 12. London: Royal Entomological Society of London. pp. 1–234. ISBN 0-901546-82-8.
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ignored (help) - ^ Belshaw, Robert (1993). "Tachinid Flies Diptera Tachinidae". Royal Entomological Society Handbooks. 10 (4ai). Royal Entomological Society of London: 170.
- ^ van Emden, F.I. (1954). "Ditera Cyclorrhapha Calyptrata (I) Section (a) Tachinidae & Calliphoridae". Royal Entomological Society Handbooks. 10 (4a). Royal Entomological Society of London: 133.
- ^ Fauna europaea
- ^ Catalogue of life
- ^ a b c Ebrahim Gilasian, Ali Asghar Talebi, Joachim Ziegler, Shahab Manzari A taxonomic study of the genus Phasia (Dip.: Tachinidae) in Iran, with two new records