Published October 28, 2011 | Version v1
Taxonomic treatment Open

Lasioglossum (Dialictus) callidum Sandhouse

Creators

Description

Lasioglossum (Dialictus) callidum (Sandhouse)

Halictus (Chloralictus) callidus Sandhouse, 1924: 34. 3.

Holotype. 3 USA, Virginia, East Falls Church, 20.vii, on Daucus carota (S.A. Rohwer); [NMNH: 26436]. Examined.

Taxonomy. Michener, 1951: Lasioglossum (Chloralictus) callidum, p. 1112 (catalogue); Mitchell, 1960: Dialictus callidus 3, p. 385, D. versatus Ƥ3 (misdet.), p. 428 (redescription); Krombein, 1967: Lasioglossum (Dialictus) callidum, p. 462 (catalogue); Hurd, 1979: Dialictus callidus, p. 1965 (catalogue); Moure & Hurd, 1987: Dialictus callidus, p. 94 (catalogue); Gibbs, 2010b: Lasioglossum (Dialictus) callidum Ƥ3, p. 84 (redescription, key).

Diagnosis. Female L. callidum can be recognised by the following diagnostic combination: mandible with strongly curved dorsal margin (Fig. 19 B), protrochanter wide (Fig. 18 B), and mesepisternum rugulose. They share the mandible and protrochanter characters with L. connexum (Cresson) but this species has the mesepisternum polished and distinctly punctate. Female L. callidum are similar to L. versatum and L. trigeminum, both of which lack the mandible and protrochanter characters.

Male L. callidum can be recognised by the following diagnostic combination: protrochanter wide (Fig. 34 B), mesepisternum rugulose, and metasomal terga with distinct punctures on the apical impressed areas. They are similar to L. connexum and L. versatum. The former species has the mesepisternum punctate and the latter species has the protrochanter narrow.

Range. Ontario south to Georgia, west to Colorado. USA: AL, CO, GA, MD, MO, MS, NE, NC, NY, SC, TN, VA, WI. CANADA: ON.

DNA Barcode. Available. Multiple sequences. DNA barcodes are identical to those of L. versatum.

Comments. Common.

Mitchell (1960) mistook this species in part for L. versatum (see Gibbs 2010b).

Notes

Published as part of Gibbs, Jason, 2011, Revision of the metallic Lasioglossum (Dialictus) of eastern North America (Hymenoptera: Halictidae: Halictini), pp. 1-216 in Zootaxa 3073 on page 65, DOI: 10.5281/zenodo.1049595

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Linked records

Additional details

Biodiversity

Family
Halictidae
Genus
Lasioglossum
Kingdom
Animalia
Order
Hymenoptera
Phylum
Arthropoda
Scientific name authorship
Sandhouse
Species
callidum
Taxon rank
species

References

  • Sandhouse, G. A. (1924) New North American species of bees belonging to the genus Halictus (Chloralictus). Proceedings of the United States National Museum, 65, 1 - 43.
  • Michener, C. D. (1951) Superfamily Apoidea. In: Muesebeck, C. F., Krombein, K. V. & Townes, H. K. (Eds.), Hymenoptera of America North of Mexico. USDA Agriculture Monograph No. 2. United States Government Printing Office, Washington, D. C., pp. 1043 - 1255.
  • Mitchell, T. B. (1960) Bees of the Eastern United States: volume I. N. C. Agricultural Experimental Station Technical Bulletin, 141, 1 - 538.
  • Krombein, K. V. (1967) Superfamily Apoidea. In: Krombein, K. V. & Burks, B. D. (Eds.), Hymenoptera of America North of Mexico. (Agriculture Monograph No. 2) Second supplement. United States Government Printing Office, Washington, D. C. pp. 422 - 520.
  • Hurd, P. D., Jr. (1979) Superfamily Apoidea. In: Krombein, K. V., Hurd, P. D., Jr., Smith, D. R. & Burks, B. D. (Eds.), Catalog of Hymenoptera in America North of Mexico. Smithsonian Institution Press, Washington, D. C. pp. 1741 - 2209.
  • Moure, J. S. & Hurd, P. D., Jr. (1987) An Annotated Catalog of the Halictid Bees of the Western Hemisphere (Hymenoptera: Halictidae). Smithsonian Institution Press, Washington, D. C.
  • Gibbs, J. (2010 b) Revision of the metallic species of Lasioglossum (Dialictus) in Canada (Hymenoptera, Halictidae, Halictini). Zootaxa, 2591, 1 - 382.