Megachile armstrongi
{{short description|Species of leafcutter bee (Megachile)}}
{{speciesbox|genus=Megachile|species=armstrongi|authority=Perkins & Cheesman, 1928}}
Megachile armstrongi is a species of bee in the family Megachilidae.{{cite web |url=https://www.biolib.cz/en/formsearch/?action=execute&searcharea=1&string=megachile |title=Megachile |year=2014 |work=BioLib |accessdate=30 September 2014}} It was described by Perkins & Cheesman in 1928.