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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.

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Here another photo

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another photograph in side view

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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.