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Anthidiellum ehrhorni (Cockerell, 1900)
Anthidium (Dianthidium) ehrhorni Cockerell, 1900; Loyolanthidium ehrhorni (Cockerell, 1900)

Life   Insecta   Hymenoptera   Apoidea   Megachilidae   Anthidiellum
Subgenus: Loyolanthidium

Anthidiellum ehrhorni, male, face
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, face

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Anthidiellum ehrhorni, male, side
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, side
Anthidiellum ehrhorni, male, top
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, top

Anthidiellum ehrhorni, male, wing
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, wing
Anthidiellum ehrhorni, male, face
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, face

Anthidiellum ehrhorni, male, side
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, side
Anthidiellum ehrhorni, male, top
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, top

Anthidiellum ehrhorni, male, wing
Smithsonian Institution, Entomology Department · 9
Anthidiellum ehrhorni, male, wing
Anthidiellum ehrhorni, f, back, Cochise Co. AZ ---.
© Copyright source/photographer · 5
Anthidiellum ehrhorni, f, back, Cochise Co. AZ ---.

Anthidiellum ehrhorni, f, face, Cochise Co. AZ ---.
© Copyright source/photographer · 5
Anthidiellum ehrhorni, f, face, Cochise Co. AZ ---.
Anthidiellum ehrhorni, f, left side, Cochise Co. AZ ---.
© Copyright source/photographer · 5
Anthidiellum ehrhorni, f, left side, Cochise Co. AZ ---.

Anthidiellum ehrhorni, m, back, Cochise Co. AZ ---.
© Copyright source/photographer · 5
Anthidiellum ehrhorni, m, back, Cochise Co. AZ ---.
Anthidiellum ehrhorni, m, face, Cochise Co. AZ ---.
© Copyright source/photographer · 5
Anthidiellum ehrhorni, m, face, Cochise Co. AZ ---.

Anthidiellum ehrhorni, m, right side, Cochise Co. AZ ---.
© Copyright source/photographer · 5
Anthidiellum ehrhorni, m, right side, Cochise Co. AZ ---.
Anthidiellum ehrhorni, male, T7, mtg
© Kimberly Huntzinger, 2007 · 1
Anthidiellum ehrhorni, male, T7, mtg
Identification
Extracted from THE POLLEN-COLLECTING BEES OF THE ANTHIDIINI OF CALIFORNIA (Hymenoptera: Megachilidae) by Grigarick A., A. (1968).


This species is marked with a pale cream to bright yellow pattern on black. The extent of this pattern shows considerable variation. A. ehrhorni is readily distinguished from notatum in the male by having tergum VII (fig. 209) with two lateral lobes and two median, fingerlike projections, and the female by having a clypeus (fig. 210) with the apical margin slanted obliquely from the head. The general body size and wingspan of ehrhorni is somewhat smaller than notatum. A. ehrhorni was collected much less frequently than notatum; only 60 males and 39 females were observed in the course of this study, with but 10 of them having been collected in northern California. The species exhibits a rather extensive but somewhat discontinuous distribution in California. It has not been found in the Great Valley, higher Sierra Nevada elevations or the uppermost north Coast Range. The survey records show plant visitaČtions to members of 13 genera in 6 families, with about one-half of the genera belonging to the Com-positae. Nests of this species were observed from Antioch, Contra Costa County and Furnace Creek, Inyo CounČty. Both of these nests were constructed of resin without mineral material. They were single cells that were built on a twig of about their own diameter and were formed at an oblique angle to the twig. A female had chewed anterolateral^ from each cell. The cell from Furnace Creek was dull, the resin was somewhat coarse, and a fingerlike projection was located at the top (fig. 227). The nest from Antioch was somewhat shiny and without an apical projecČtion. Schwarz (1928) examined a nest of ehrhorni from Arizona and noted its similarities to two nests of Anthidiellum notatum rufimaculatum. Both nests of notatum were figured in the publication.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Baccharis @ AMNH_BEE (1)

Baileya @ UCRC_ENT (1)

Bebbia sp @ BBSL__KWC (1)

Chaenactis fremontii @ UCRC_ENT (2)

Encelia actonii @ BBSL__KWC (1)

Encelia farinosa @ BBSL (1); UCRC_ENT (3)

Encelia sp @ BBSL (2); BBSL__KWC (1)

Encelia @ UCRC_ENT (2)

Peucephyllum schottii @ UCRC_ENT (1)

Pluchea sericea @ UCRC_ENT (1)

Trixis californica @ UCRC_ENT (1)
Bignoniaceae  Chilopsis linearis @ BBSL (1)
Boraginaceae  Phacelia ramosissima @ UCRC_ENT (2)
Brassicaceae  Brassica @ UCRC_ENT (1)
Fabaceae  Acmispon americanus @ UCRC_ENT (1)

Acmispon glaber @ UCRC_ENT (7)

Lotus haydonii @ BBSL__KWC (1)

Lotus sp @ BBSL (1)

Lotus @ AMNH_BEE (1)

Lupinus sp @ BBSL (2)

Prosopis juliflora @ UCRC_ENT (1)

Prosopis sp @ BBSL (1)

Prosopis @ UCRC_ENT (2); AMNH_BEE (4)

Psorothamnus polydenius @ BBSL (1)
Lamiaceae  Marrubium vulgare @ UCRC_ENT (1)

Salvia apiana @ UCRC_ENT (1)

Teucrium cubense @ UCRC_ENT (1)
Loasaceae  Mentzelia albicaulis @ UCRC_ENT (1)
Polygonaceae  Eriogonum fasciculatum @ UCRC_ENT (3)
Zygophyllaceae  Larrea tridentata @ BBSL (3); UCRC_ENT (3)
_  Withheld @ BBSL (59)

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Updated: 2018-04-24 14:53:56 gmt
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