Sixteen in One: White-Belted Megaselia Rondani (Diptera: Phoridae) From the New World Challenge Species Concepts Author Brown, Brian V. Entomology Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, bbrown@nhm.org Author Hartop, Emily A. Center for Integrative Biodiversity Discovery, Museum für Naturkunde-Leibniz Institute for Evolution and Biodiversity Science, Invalidenstr. 43, 10115 Berlin, Germany, Author Wong, Maria A. Entomology Department, Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, CA 90007, USA, and text Insect Systematics and Diversity 2022 6 3 1 17 journal article 10.1093/isd/ixac008 2399-3421 Megaselia borealizona New Species Fig. 16 . urn:lsid:zoobank.org:act: 48C8F867-0149-4AAE-B345- CB228061530F Holotype Male. CANADA : Ontario : Bell Bay Provincial Park , 45.5151°N , 77.8181°W , 329 m , 16 July 2014 , CBG Collections Staff [ LACM ENT 336339 ] ( BIOUG33263 -E02) ( CNCI ). Holotype Barcode AACTTTATATTTTATTTTTGGAGCATGAG CTGGAATAGTAGGAACTTCTTTAAGAATTATAATTCGAGCT GAATTAGGACATCCAGGAGCCTTAATTGGTGATGACCAGAT TTATAATGTAATTGTAACTGCACACGCATTTATTATAATTTT TTTTATAGTGATACCTATTATAATAGGAGGATTTGGAAATTG ATTAGTACCTTTAATATTAGGAGCCCCTGATATAGCTTTTC CACGTATAAATAATATAAGATTCTGAATATTACCTCCTTCAT TA AC T T TAC TAT TAG CA AG A AG T T TAG TAG A A A AT G G A A C T G G TA C A G G T T G A A C T G T T TA C C C T C C T T T AT C T T C TA G A AT T G C T C ATA G A G G AT C T T C T G T T G AT C T T G C A AT T T T T T C T C T T C AT C T C G C A G G A AT C T C T T C A AT T T TA G G A G C A G TA A AT T T TAT TA C TA C A AT TAT TA ATATA C G AT C AT C A G G G AT T T C T T T T G AT C G A ATA C C T T TAT T T G T T T G AT C T G TA G G TAT TA CAGCTTTACTTTTACTTTTATCTTTGCCTGTACTTGCAGG AGCTATTACTATACTTCTAACAGATCGAAATTTTAACACAT CATTTTTCGACCCAGCAGGAGGTGGAGATCCAATTTTATA TCAACACCTATTT Diagnosis. This holotype (and single known specimen) of this species differs from M. tropizona from Costa Rica , by a minimum of 2.03% ( Fig. 1 , Table 1 ). There are subtle wing venation differences between the two species, namely that in M . borealizona costal sector 3 is distinctly larger and sector 2 smaller ( Fig. 16 ). The differences in distribution, northern Ontario , Canada versus Costa Rica , make it highly unlikely that M. borealizona and tropizona are the same species. Further collecting in northern Ontario to try to encounter more specimens of M. borealizona is warranted. This species is in BOLD as BOLD :ADJ4079. Distribution. Ontario , Canada . Etymology. The name is based on the boreal zone, in which this specimen was collected.