Diptera.info :: Identification queries :: Diptera (adults)
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 Cochliomyia hominivorax or marcellaria??
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| Charles |
Posted on 20-02-2026 20:39
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Member Location: México Posts: 4 Joined: 02.02.17 |
Hi everyone, I was wondering if someone could help me confirm the identification of this specimen. I am trying to determine if it is Cochliomyia hominivorax or C. macellaria. Charles attached the following image:  [95.02Kb] |
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| Charles |
Posted on 20-02-2026 20:49
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Member Location: México Posts: 4 Joined: 02.02.17 |
Here another photo
Charles attached the following image:  [93.46Kb] |
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| Charles |
Posted on 20-02-2026 20:51
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Member Location: México Posts: 4 Joined: 02.02.17 |
another photograph in side view
Charles attached the following image:  [114.66Kb] |
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| John Carr |
Posted on 20-02-2026 23:22
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 Super Administrator Location: Colorado, USA Posts: 10616 Joined: 22.10.10 |
Quoting Terry Whitworth's key Fronto-orbital plate with dark setulae outside row of frontal setae; polished central occipital area just below and behind the inner vertical setae reddish; central polished stripe on dorsum of thorax short, ending at about the transverse suture; lateral areas of fifth tergite without pronounced silvery microtomentum; postgenal setae usually golden yellow; female with dark basicosta; proclinate orbital setae absent. ... hominivorax Lower 1/2–1/3 of fronto-orbital plate with pale setulae outside row of frontal setae; polished central occipital area just below and behind the inner vertical setae black; central polished stripe on dorsum of thorax long, extending beyond the transverse suture toward the anterior edge of the thorax; fifth tergite usually with pronounced lateral areas of silvery microtomentum; postgenal setae usually pale yellow; female usually with yellowish basicosta; usually with 2 pairs of proclinate orbital setae (sometimes one or both sides have only one). ... macellaria I haven't verified genus. There is a similar genus with three stripes in southwestern USA. |
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