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Lasioglossum caducum (Sandhouse, 1924)
Halictus (Chloralictus) caducus Sandhouse, 1924; Dialictus caducus (Sandhouse, 1924)

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Lasioglossum
Subgenus: Dialictus


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Identification
Extracted from: Sandhouse G. A. New North American Species of Bees Belonging to the Genus Halictus (Chloralictus). No. 2532 - Proceedings U.S. National Museum. Vol. 65, Art. 19.

Appears as Halictus Caducus in this excerpt.

Female.—About 6.5 mm. long; head and thorax dark olive green; abdomen black; pubescence dull white. Facial quadrangle longer than broad; orbits converging slightly below; face with a bronze reflection, clothed with rather sparse pubescence; antennae dark, the flagellum becoming dark ferruginous at the apex; vertex very closely punctured; front with more scattered deep punctures; part of clypeus and supraclypeal area bronze green, sparsely punctured; lower half of clypeus shining black, with a few downward-opening punctures, fringed below with yellowish hairs; mandibles dark, reddish at the tips. Mesothorax brassy green, shining, with faint microsopic tessel- lations and scattered punctures; scutellum brassy green, delicately punctured on the anterior part, the punctures coarser posteriorly, two polished spots on the disk; disk of propodeum without a distinct inclosing rim, slightly elevated posteriorly, median portion of disk finely granular with a few anastomosing rugae, the lateral portions plicatulate, the plicae extending on to the sides of the propodeum; truncation distinct laterally; tegulae reddish testaceous, impunctatie. Abdomen piceous, obovate; apical margins of segments testaceous; segments 1-2 shining, sparsely pubescent; segments 3-5, with appressed, dull white hairs. Wings clear yellowish; anterior wing 4.5 mm. long; stigma and nervures very pale testaceous; second submarginal cell almost as broad as long; first recurrent nervure joining second transverso-cubital; third submarginal sharply contracted above, about equidistant with the second on the marginal. Legs dark with dull white pubescence; hind spur pectinate with three teeth.

Habitat.—Santa Fe, New Mexico, October 3, at garden marigold No. 5620 (Cockerell).

Differs; From versatus Robertson by the reddened tegulae; mesothorax shining, with more scattered punctures; more slender species; face shining; more sparse pubescence; polished scutellum. From nevadensis Crawford by the larger size; more golden gr(;en face and mesothorax; more sparsely punctured mesothorax; disk of propodeum pJicatulate.


Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Cactaceae  Sclerocactus glaucus @ BBSL (3)
Convolvulaceae  Convolvulus arvensis @ BBSL (1)
Polygonaceae  Eriogonum pelinophilum @ BBSL (5)
_  Withheld @ BBSL__ZION (2)

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Updated: 2024-03-28 21:12:29 gmt
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