Macrosaccus is a genus of moths in the family Gracillariidae.
Etymology The generic name is derived from the ancient Greek μακρο- (meaning long) and σάκκος (meaning bag) in reference to the elongate saccus in the male genitalia.
Species There are six species currently recognized: Macrosaccus coursetiae Eiseman & Davis, 2017 Macrosaccus gliricidius Davis, 2011 Macrosaccus morrisella (Fitch, 1859) Macrosaccus neomexicanus Davis, 2011 Macrosaccus robiniella (Clemens, 1859) Macrosaccus uhlerella (Fitch, 1859)
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