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ARTHROPOD IDENTIFICATION

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Corrigendum: Leafcutter and Mason Bees of the Genus Megachile Latreille (Hymenoptera: Megachilidae) in Canada and Alaska

doi:10.3752/cjai.2020.AC05

Cory S. Sheffield

Royal Saskatchewan Museum, 2340 Albert Street, Saskatchewan, Canada

Cory.Sheffield@gov.sk.ca

Corrigendum: Leafcutter and Mason Bees of the Genus Megachile Latreille (Hymenoptera: Megachilidae) in Canada and Alaska

Corrigendum: Leafcutter and Mason Bees of the Genus Megachile Latreille (Hymenoptera: Megachilidae) in Canada and Alaska

Corrigendum to CJAI 18

doi:10.3752/cjai.2020.AC05

Cory S. Sheffield

Royal Saskatchewan Museum, 2340 Albert Street, Saskatchewan, Canada

Cory.Sheffield@gov.sk.ca

Corrigendum
Although not explicitly stated by Sheffield et al. (2011), large parts of the text for the species descriptions used in that work were taken from the various treatments of the genus Megachile by Mitchell (1926, 1927, 1934, 1935a, 1935b; 1936a, 1936b, 1937a, 1937b, 1937c), especially Mitchell (1962), in addition to Sheffield and Westby (2007). From Mitchell (1962), which covers much of the Canadian fauna excluding exclusively western native and more recently introduced species, the text was modified only where appropriate to reflect different interpretations of characters or to add descriptions of additional characters, and to keep the descriptions standardized across all taxa occurring in Canada. The formatting style of the text for species descriptions in Sheffield et al. (2011) was also modified from that of Mitchell (1962) to allow the head, mesosoma, and metasoma of each sex to be covered as separate sections, with consistent numbering of structures in each body region used to allow rapid comparison of structures across taxa.
For consistency with descriptions used by Mitchell (1962), Sheffield et al. (2011) used the same morphological terminology and the adjectives describing them, including for sexes described for the first time (i.e., M. circumcincta (Kirby) – prior to Sheffield et al. (2011) this species was previously known as M. giliae Cockerell, and from the male only), for species occurring in Canada but not treated in that work because they are western taxa (M. angelarum Cockerell, M. coquilletti Cockerell, M. gentilis Cresson, M. lippiae Cockerell, M. onobrychidis Cockerell, M. anograe Cockerell, M. casadae Cockerell, M. manifesta Cresson, M. sublaurita Mitchell, M. subnigra Cresson, M. umatillensis (Mitchell), M. wheeleri Mitchell, M. fidelis Cresson, M. mellitarsis Cresson, M. dentitarsis Sladen, and M. perihirta Cockerell) and for species not treated previously as their introductions were only detected since his work (i.e., M. ericetorum Lepeletier; M. lapponicus Thompson; M. sculpturalis Smith). For each species covered by Sheffield et al. (2011), the following works were consulted and the text from some descriptions was used with the emendations as noted above: M. parallela Smith – Mitchell 1937a: 49-51; 1962: 159-1961; M. angelarum Cockerell – Mitchell 1937c: 386-388; M. campanulae Robertson – Mitchell 1937c: 389-390; 1962: 182-184; M. apicalis Spinola – Mitchell 1926: 113-114; 1962: 120-121; M. rotundata (Fabricius) – Mitchell 1962: 122-124; M. brevis Say – Mitchell 1935a: 14-18; 1962: 115; M. coquilletti Cockerell – Mitchell 1935a: 21-23; M. gentilis Cresson – Mitchell 1935a: 23-25; M. lippiae Cockerell – Mitchell 1935a: 37-38; M. mendica Cresson – Mitchell 1935a: 26-28, 31-32; 1962: 117-118; M. onobrychidis Cockerell – Mitchell 1935a: 18-19; M. texana Cresson – Mitchell 1935a: 32-36; 1962: 118-120; M. centuncularis (Linnaeus) – Mitchell 1935b: 159-161; 1962: 124-125; M. inermis Provancher – Mitchell 1935b: 171-173; 1962: 126-127; M. lapponica Thompson – Mitchell 1934: 311-312; 1962: 129; Sheffield and Westby 2007: 188-189; M. montivaga Cresson – Mitchell 1935b: 167-169; 1962: 127-128; M. relativa Cresson – Mitchell 1935b: 163-164; 1962: 129-130; M. anograe Cockerell – Mitchell 1927: 115-117; 1934: 329-330; 1936: 158-159, 160-162; M. casadae Cockerell – Mitchell 1936b: 348-350; M. manifesta Cresson – Mitchell 1936b: 352-354; M. sublaurita Mitchell – Mitchell 1927: 117; 1934: 344-345; M. subnigra Cresson – Mitchell 1934: 318-319, 336-337, 338-339; 1936b: 364-366, 372; M. umatillensis (Mitchell) – Mitchell 1927: 118-121; 1936: 153-155; M. wheeleri Mitchell – Mitchell 1927: 107-109, 109-112; 1936b: 355-357; M. fidelis Cresson – Mitchell 1937b: 180-182; M. mellitarsis Cresson – 1937b: 194-196; M. pugnata Say – 1937b: 201-203; 1962: 179-180; M. addenda Cresson – Mitchell 1935b: 178-180; 1962: 131-132; M. circumcincta (Kirby) – Mitchell 1935b: 186-187; M. dentitarsis Sladen – Mitchell 1936: 127-128; M. fortis Cresson – Mitchell 1936: 143-144; 1962: 156-157; M. frigida Smith – 1962: 133-134; M. gemula Cresson – 1935b: 181-183, 185-186; 1962: 135-136; M. latimanus Say – Mitchell 1936: 131-133; 1962: 157-158; M. melanophaea Smith – Mitchell 1935b: 190-192, 195-197; 1962: 138-140; M. perihirta Cockerell – Mitchell 1936: 136-137.

References

Mitchell, T.B. 1926. New species of Megachile, with notes and corrections (Hymenoptera). Transactions of the American Entomological Society 52: 111-118.

Mitchell, T. B. 1927. New megachilid bees. Psyche 34: 104-121

Mitchell, T.B. 1934. A revision of the genus Megachile in the Nearctic region. Part I. Classification and descriptions of new species (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 59: 295-361; plates xx-xxi.

Mitchell, T.B. 1935a. A revision of the genus Megachile in the Nearctic region. Part II. Morphology of the male sternites and genital armature and the taxonomy of the subgenera Litomegachile, Neomegachile and Cressoniella. Transactions of the American Entomological Society 61: 1-44; plate i.

Mitchell, T.B. 1935b. A revision of the genus Megachile in the Nearctic region. Part III. Taxonomy of the subgenera Anthemois and Delomegachile (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 61: 155-205; plates viii-ix.

Mitchell, T.B. 1936a. A revision of the genus Megachile in the Nearctic region. Part IV. Taxonomy of the subgenera Xanthosarus, Phaenosarus, Megachiloides and Derotropis (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 62: 117-166; plates viii-xi.

Mitchell, T.B. 1936b. A revision of the genus Megachile in the Nearctic region. Part V. Taxonomy of the subgenus Xeromegachile (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 62: 323-382; plates xxiixxvi.

Mitchell, T.B. 1937a. A revision of the genus Megachile in the Nearctic region. Part VI. Taxonomy of subgenera Argyropile, Leptorachis, Pseudocentron, Acentron and Melanosarus (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 63: 45-83; plates v-vi.

Mitchell, T.B. 1937b. A revision of the genus Megachile in the Nearctic region. Part VII. Taxonomy of the subgenus Sayapis (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 63: 174-206; plates xii-xiii.

Mitchell, T.B. 1937c. A revision of the genus Megachile in the Nearctic region. Part VIII. Taxonomy of the subgenus Chelostomoides, addenda and index (Hymenoptera: Megachilidae). Transactions of the American Entomological Society 63: 381-421; plates xxvi-xxix.

Mitchell, T.B. 1962. Bees of the eastern United States. Volume II. North Carolina Agricultural Experiment Station Technical Bulletin 152. 557 pp.

Sheffield, C.S., and S.M. Westby. 2007. The male of Megachile nivalis Friese, with an updated key to members of the subgenus Megachile s. str. (Hymenoptera: Megachilidae) in North America. Journal of Hymenoptera Research 16: 178-191.

Sheffield, C.S., C. Ratti, L. Packer, and T. Griswold. 2011. Leafcutter and mason bees of the genus Megachile Latreille (Hymenoptera: Megachilidae) in Canada and Alaska. Canadian Journal of Arthropod Identification No. 18, 29 November 2011, available online at doi: 10.3752/cjai.2011.18

Addenda & Corrigenda are published notes updating previous CJAI volumes. They are not subjected to formal peer-review, but must pass editorial approval prior to being accepted and published.

 



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Corrigendum