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Anthidium formosum Cresson, 1878
Anthidium conspicuum Cresson, 1879; Anthidium illustre var consonum Cresson, 1879; Dianthidium balli Titus, 1902; Callanthidium formosum (Cresson, 1878); Callanthidium formosum pratense Cockerell, 1925; Anthidium (Callanthidium) formosum Cresson, 1878

Life   Insecta   Hymenoptera   Apoidea   Megachilidae   Anthidium
Subgenus: Anthidium

Anthidium formosum, male, S6, apex lobe, VG
© Kimberly Huntzinger, 2007 · 2
Anthidium formosum, male, S6, apex lobe, VG

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Anthidium formosum, male, S7 profile, VG
© Kimberly Huntzinger, 2007 · 2
Anthidium formosum, male, S7 profile, VG
Anthidium formosum, male, S8 apex profile, VG
© Kimberly Huntzinger, 2007 · 2
Anthidium formosum, male, S8 apex profile, VG

Anthidium formosum, male, S6, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium formosum, male, S6, VG
Anthidium formosum, male, S7, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium formosum, male, S7, VG

Anthidium formosum, male, S8, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium formosum, male, S8, VG
Anthidium formosum, male, T7, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium formosum, male, T7, VG

Anthidium formosum, female, T6, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium formosum, 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.

C. formosum is less commonly collected (61 c3, 37 9) than il1ustre and its distribution is limited in California to the Cascade, Sierra Nevada, and southern California mountains. The last tergum (figs.101, 102) furnishes diagnostic characters to distinguish both sexes of formosum. Also, male sternum VI (fig. 105) differs considerably in formosum by lacking the median spinelike projection of illustre (fig. 109). The form of sternum VIII (fig. 103, 104) is of considerable interest because of the expanded crestlike plate at a right angle to the flat plane of the sternite.


Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Fabaceae  Lotus argophyllus @ UCRC_ENT (13)

Lupinus confertus @ UCRC_ENT (1)

Robinia neomexicana @ UCRC_ENT (1)
Lamiaceae  Monardella linoides @ UCRC_ENT (8)
Orobanchaceae  Castilleja plagiotoma @ UCRC_ENT (1)

Cordylanthus nevinii @ UCRC_ENT (7)
Polygonaceae  Eriogonum umbellatum @ UCRC_ENT (1)

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Updated: 2019-10-17 09:08:22 gmt
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