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Anthidium edwardsii Cresson, 1878
Anthidium 3-cuspidum Provancher, 1896; Anthidium tricuspidum Provancher, 1896; Anthidium hesperium Swenk, 1914; Anthidium depressum Schwarz, 1927

Life   Insecta   Hymenoptera   Apoidea   Megachilidae   Anthidium
Subgenus: Anthidium

Anthidium edwardsii, male, face
Smithsonian Institution, Entomology Department · 9
Anthidium edwardsii, male, face

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Anthidium edwardsii, male, side
Smithsonian Institution, Entomology Department · 9
Anthidium edwardsii, male, side
Anthidium edwardsii, male, top
Smithsonian Institution, Entomology Department · 9
Anthidium edwardsii, male, top

Anthidium edwardsii, male, wing
Smithsonian Institution, Entomology Department · 9
Anthidium edwardsii, male, wing
Anthidium edwardsii, male, S8 apex post, VG
© Kimberly Huntzinger, 2007 · 2
Anthidium edwardsii, male, S8 apex post, VG

Anthidium edwardsii, male, S8 apex profile, VG
© Kimberly Huntzinger, 2007 · 2
Anthidium edwardsii, male, S8 apex profile, VG
Anthidium edwardsii, Hartmut Wisch
Hartmut Wisch · 1
Anthidium edwardsii, Hartmut Wisch

Anthidium edwardsii, Hartmut Wisch
Hartmut Wisch · 1
Anthidium edwardsii, Hartmut Wisch
Anthidium edwardsii, female, head, clypeusB, mtg1
© Kimberly Huntzinger, 2007 · 1
Anthidium edwardsii, female, head, clypeusB, mtg1

Anthidium edwardsii, male, T7, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium edwardsii, male, T7, VG
Anthidium edwardsii, male, S6, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium edwardsii, male, S6, VG

Anthidium edwardsii, male, S7, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium edwardsii, male, S7, VG
Anthidium edwardsii, male, S8, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium edwardsii, male, S8, VG

Anthidium edwardsii, female, T6, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium edwardsii, female, T6, VG
Identification
Extracted from: Grigarick A.A., & Stange L.A., (1968). The Pollen Collecting Bees of the Anthidiini of California (Hymenoptera: Megachilidae) Bulletin of the California Insect Survey Volume 9.

The spiniform lateral lobe of tergum VII (fig. 49) distinguish the males except from maculosum and bannigense which have sternum VI differently shaped. The deeply emarginate female clypeus of edwardsii is found only in placitum and approached by pallidi-clypeum. Both of the latter species have a prominent posterior marginal band on tergum VI which contrasts with the weakly defined band of edwardsii (fig. 79).

The coloration of the males is usually quite distinctive. The metasomal terga are typically reddish-brown with complete bright yellow bands. This reddish color varies to dark brown and less commonly black, but tergum VII is generally reddish-brown. The females have the usual black base color with yellow bands.

This species has been associated with numerous plant families and no strong preference was indicated. The only information concerning the nesting habits was the rearing of one female from inside a bamboo cane lined with down, collected at Turlock, Stanislaus Co., California. A. edwardsii is one of the commonest species in the Central Valley of California and is also found along the Coast Range into southern California. The California records total 341 males and 185 females. About a dozen specimens have been secured near Lone Pine, Inyo Co., which represents the only known record from California for this species east of the Sierra Nevada.


Names
Scientific source:

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Hosts · map
FamilyScientific name @ source (records)
Anacardiaceae  Rhus integrifolia @ UCRC_ENT (1)
Asteraceae  Centromadia pungens @ AMNH_BEE (1)

Eriophyllum @ UCRC_ENT (1)

Gnaphalium @ UCRC_ENT (1)

Stephanomeria exigua @ UCRC_ENT (1)
Boraginaceae  Cryptantha intermedia @ UCRC_ENT (1)

Phacelia ramosissima @ UCRC_ENT (35)
Euphorbiaceae  Croton setigerus @ UCRC_ENT (1)
Fabaceae  Acmispon americanus @ UCRC_ENT (1)

Acmispon glaber @ UCRC_ENT (14)

Lotus purshianus @ UCRC_ENT (1)

Trifolium variegatum @ UCRC_ENT (3)

Trifolium wormskioldii @ UCRC_ENT (1)
Lamiaceae  Marrubium vulgare @ UCRC_ENT (1)

Trichostema lanceolatum @ UCRC_ENT (65); AMNH_BEE (2)

Trichostema @ AMNH_BEE (7)
Polemoniaceae  Gilia capitata @ UCRC_ENT (1)
Polygonaceae  Eriogonum fasciculatum @ UCRC_ENT (1)

Eriogonum gracile @ UCRC_ENT (1)
Unplaced  Chorizanthe staticoides @ AMNH_BEE (44)

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Updated: 2019-10-13 23:59:28 gmt
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