ChrisR

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fg-taxon #53 (Borgmeiermyia sp.)

by ChrisRPosted onApril 6, 2009October 4, 2010

This is one of a pair of very similar taxa (the other is fg-taxon #52) – very small in size (3-5mm), with black body, orange…

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fg-taxon #35 (Anisia sp.)

by ChrisRPosted onApril 6, 2009September 26, 2010

This taxon has the dark wing area restricted to above r1 and a faint dark patch near the wing tip. EDIT (Monty Wood 26/9/2010): This…

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fg-taxon #22 (Genea & Leskia sp.)

by ChrisRPosted onApril 6, 2009September 26, 2010

This is a complex of basically orange-coloured tachinids with more or less darkened tips to the abdomen – either dark patches around the bristle sockets…

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The Sturmia bella controversy

by ChrisRPosted onApril 5, 2009April 6, 2009

sturmia-bella-female-warburg-reserve-oxon-20050723-045This article just provides my take on the controversy raging amongst British lepidopterists over the significance of the appearance of the parasitoid Sturmia bella in the decline of the Small Tortoishell (Aglais urticae, Nymphalidae) in England.

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fg-taxon #15 (Archytas & Jurinella sp.)

by ChrisRPosted onApril 4, 2009September 26, 2010

This is another Tachina look-alike but with a projecting mouth edge, like Linnaemya. EDIT (Monty Wood 26/9/2010): This group contains 3 spp. of Archytas and…

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fg-taxon #14 (Winthemia sp.)

by ChrisRPosted onApril 4, 2009September 26, 2010

This taxon group contains specimens that have a strong resemblance to members of the Sturmiini. All specimens have recumbent hairs and bristles with a tuft…

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fg-taxon #12 (completely unknown)

by ChrisRPosted onApril 4, 2009September 26, 2010

This is a really unusual small tachinid with mottled wings and unusual venation. EDIT (Monty Wood 26/9/2010): This is a really unusual fly and not…

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Mesembrinella (Calliphoridae, Mesembrinellinae) & Dexiinae (fg-taxon #16)

by ChrisRPosted onApril 4, 2009August 26, 2011

This taxon group contains at least 7 species ranging in size, with a light brown ground colour, broad bodies and darker coloured abdomens. They have…

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fg-taxon #20 (Jurinia sp.)

by ChrisRPosted onApril 4, 2009September 26, 2010

This taxon is very similar to taxon #45 but larger in size. Note the very broad, shallow scutellum with distinctive row of scutellar bristles, combined…

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Chrysotachina cf. braueri & ornata (fg-taxon #21)

by ChrisRPosted onApril 4, 2009October 4, 2010

The specimens in this taxon group are all metallic tachinids and almost certainly comprise at least 2 taxa. The first is relatively undusted and looks…

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fg-taxon #45 (Jurinia sp.)

by ChrisRPosted onApril 4, 2009September 26, 2010

This really is a little beauty and very similar in morphology to taxon #20 (golden dusted thorax, shiny black/red abdomen & distinctive broad, shallow scutellum…

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Borgmeiermyia brasiliana (fg-taxon #11, ‘feather-face’ #2)

by ChrisRPosted onApril 4, 2009October 4, 2010

This is a male of the second taxon to exhibit the highly modified antenna-3, shaped like a feather. All specimens of this taxon are between 4-5mm…

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Pelecotheca (Cryptocladocera) sp. male (fg-taxon #4)

by ChrisRPosted onApril 4, 2009October 4, 2010

This is one of my favourite French Guianan tachinids! At first glance it looks fairly standard but when you examine the face you will see…

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fg-taxon #3 (Zelia sp.)

by ChrisRPosted onApril 4, 2009September 26, 2010

This is a more typical tachinid – a dexiine with plumose antennae and a conventionally proportioned body and colouration. EDIT (Monty Wood 26/9/2010): This is…

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fg-taxon #8 (Xanthomelanodes & Pennapoda sp.)

by ChrisRPosted onApril 4, 2009September 26, 2010

This “taxon” is actually probably 5 taxa but they share very similar superficial morphology – they are almost certainly phasiines and they have the typical…

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Zelia sp. (fg-taxon #2)

by ChrisRPosted onApril 4, 2009January 30, 2010

This taxon looks very similar to taxon #1 but it is subtly different. It closely resembles a box of “Zelia sp. indet.” in the NHM,…

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Scotiptera cf. venatoria (fg-taxon #7)

by ChrisRPosted onApril 4, 2009September 26, 2010

The fly was bought for a few francs from a butterfly collector in Cacao and it came without any data but with the assurance that…

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Zelia sp. (fg-taxon #1)

by ChrisRPosted onApril 4, 2009January 30, 2010

This taxon is a dexine tachinid with unusual markings on T3 and an elongate abdomen. It also has plumose antennae.

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Beskia aelops (fg-taxon #44)

by ChrisRPosted onApril 4, 2009August 27, 2011

This is a strange dexiine tachinid with and extremely long proboscis and long antennae. The curl on this specimen’s antennae may have been caused by…

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Cholomyia inaequipes (fg-taxon #46)

by ChrisRPosted onApril 4, 2009September 26, 2010

This is a crazy-looking dexiine tachinid. This subfamily usually have quite elongate legs but this taxon takes it to extremes with hind legs that are…

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