Calyptra gruesa
{{Short description|Species of moth}}
{{Speciesbox
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| taxon = Calyptra gruesa
| authority = (Draudt, 1950){{LepIndex |id=283158}} Retrieved April 19, 2018.
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Calyptra gruesa is a moth of the family Erebidae. It has been found in China.{{cite journal|last=Zaspel|first=J.M.|author2=Branham, M.A.|title=World Checklist of Tribe Calpini (Lepidoptera: Noctuidae: Calpinae)|journal=Insecta Mundi: A Journal of World Insect Systematics|volume=0047|issue=1–15|pages=2|date=September 26, 2008|url=http://www.fsca-dpi.org/insectamundi2008/0047ZaspelandBranham.pdf|accessdate=29 August 2010}} C. gruesa has a wingspan range of {{convert|25|to|29|mm|in}}.{{cite web|title=Calyptra gruesa|url=http://www.jpmoth.org/Noctuidae/Calpinae/Calyptra_gruesa.html|website=JPMoth|accessdate=30 August 2010|language=Japanese}}