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Lasioglossum petrellum (Cockerell, 1903)
Halictus (Chloralictus) petrellus Cockerell, 1903; Halictus coronadensis Cockerell, 1916; Lasioglossum (Chloralictus) petrellum (Cockerell, 1903); Dialictus petrellus (Cockerell, 1903)

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Lasioglossum
Subgenus: Dialictus


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Identification
Extracted from: Gardner, J. and J. Gibbs. 2020. The ‘red-tailed’ Lasioglossum (Dialictus) (Hymenoptera: Halictidae) of the western Nearctic. European Journal of Taxonomy 725: 1–242

Diagnosis

Both sexes of Lasioglossum petrellum can be recognized by the characters for the Lasioglossum petrellum species complex (below), in addition to the characters given in the keys. They are most similar to L. droegei. Females of L. droegei have T2–4 with more extensive tomentum, and metasoma usually mostly red-orange. Males of L. droegei have T1–3 apical areas with very strong microsculpture (similar to scutum) and indistinct punctures. In addition, the distributions of these two species are not known to overlap: L. petrellum is known from the Sonoran Desert and west coast of California and Baja California, while L. droegei is only known from the Chihuahuan Desert.

Description

See Gibbs (2009b) for a complete redescription and figures.

Range

Coasts and deserts of southern California and Baja California, east through southern Arizona (Fig. 73).

Floral Records

AIZOACEAE Martinov: Mesembryanthemum L. M. crystallinum L. • AMARANTHACEAE Juss. Atriplex L. A. semibaccata R.Br. (G09) • ASTERACEAE Giseke: Encelia: E. farinosa A.Gray ex Torr. (G09) • Ericameria: E. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird: E. n. var. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird (G09) • E. palmeri (A.Gray) H.M. Hall (G09) • E. parishii (Greene) H.M. Hall (G09) • Gutierrezia: G. microcephala (DC.) A.Gray • Hypochaeris: H. glabra L. (G09) • Lepidospartum: L. squamatum (A.Gray) A.Gray (G09) • BORAGINACEAE Juss. Phacelia Juss. P. distans Benth. (G09)• P. minor (Harv.) Thell. ex F. Zimm. (G09)• CACTACEAE Juss. Cylindropuntia (Engelm.) F.M. Knuth: C. echinocarpa (Engelm. & J. M. Bigelow) F.M. Knuth • Ferocactus Britton & Rose: F. cylindraceus (Engelm.) Orcutt (G09) • CRASSULACEAE J. St.-Hil. Dudleya Britton & Rose (G09) • MALVACEAE Juss. Sphaeralcea A. St.-Hil. S. ambigua A.Gray • PLANTAGINACEAE Juss. Penstemon Schmidel (G09) • SCROPHULARIACEAE Juss. Scrophularia L. S. californica Cham. & Schltdl. (G09) • SOLANACEAE Adans. Datura L. D. inoxia Mill. (G09).


Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Apiaceae  Cymopterus beckii @ BBSL (55)
Asteraceae  Malacothrix sp @ BBSL (1)

Senecio salignus @ BBSL (1)
Lamiaceae  Hedeoma apiculata @ BBSL (14)
Polemoniaceae  Gilia sp @ BBSL (2)
Scrophulariaceae  Penstemon sp @ BBSL (1)
_  Withheld @ BBSL (52)

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Updated: 2024-03-28 14:16:38 gmt
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