Lasioglossum (Dialictus) dubitatum (Mitchell)

Gibbs, Jason, 2011, Revision of the metallic Lasioglossum (Dialictus) of eastern North America (Hymenoptera: Halictidae: Halictini), Zootaxa 3073, pp. 1-216 : 87

Lasioglossum (Dialictus) dubitatum (Mitchell)

Dialictus dubitalus Mitchell, 1960: 436 . 3. Lapsus calami (spelled D. dubitatus in key, p. 376 and index, p. 533) Holotype. 3 USA, New York, McLean Bogs, Cortland Co., June 20.vi.1936 [CUIC: 4890]. Examined.

Taxonomy. Krombein, 1967: Lasioglossum (Dialictus) dubitatum , p. 463 (catalogue); Hurd, 1979: Dialictus dubitatus , p. 1966 (catalogue); Moure & Hurd, 1987: Dialictus dubitatum , p. 100 (catalogue); Gibbs, 2010b: Lasioglossum (Dialictus) dubitatum 3, p. 114 (redescription, key).

Diagnosis. Male L. dubitatum are unique in having metabasitarsus short measuring only about three times as long as broad ( Fig. 33 B). In other respects male L. dubitatum match closely male L. versatum (see diagnosis below).

Female unknown.

Range. New York, possibly Ontario, Quebec ( Moure & Hurd 1987).

DNA Barcode. Unavailable.

Comments. Rare. Only the holotype is known, although records exist for Ontario and Quebec. The type locality is a bog, which is a habitat infrequently visited by melittologists.

Figures

FIGURE 33. Metabasitarsus (A) elongate, (B) short (L. dubitatum). (From Gibbs 2010 b).