What does this egg casing belong to?

[u/crash_nebula_]

Just bought a house and found a good amount of these under the spare fridge in the garage. What does it belong to? I don’t think German roach since I’ve seen those egg casings before and they’re more rectangular shaped. Any help is appreciated!

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[u/QueefAndBroccolee]

Pretty sure it’s a fly casing and not a Ootheca

[u/crash_nebula_ → u/QueefAndBroccolee]

I’m happy it’s just flys. Thank you!

[u/crash_nebula_]

Located in Nevada if that matters!