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Anthidium tenuiflorae Cockerell, 1907
Anthidium tenuiflorae yukonense Cockerell, 1926

Life   Insecta   Hymenoptera   Apoidea   Megachilidae   Anthidium
Subgenus: Anthidium

Anthidium tenuiflorae, -female, -back
© Copyright source/photographer · 9
Anthidium tenuiflorae, -female, -back

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Anthidium tenuiflorae, -female, -face
© Copyright source/photographer · 9
Anthidium tenuiflorae, -female, -face
Anthidium tenuiflorae FEM CFP comp
© Copyright Laurence Packer 2014 · 7
Anthidium tenuiflorae FEM CFP comp

Anthidium tenuiflorae MALE mm .x f
© Copyright Laurence Packer 2014 · 7
Anthidium tenuiflorae MALE mm .x f
Anthidium tenuiflorae Male
© Copyright Laurence Packer 2014 · 7
Anthidium tenuiflorae Male

Anthidium tenuiflorae, male, S8 apex profile, VG
© Kimberly Huntzinger, 2007 · 2
Anthidium tenuiflorae, male, S8 apex profile, VG
Anthidium tenuiflorae, female, thoraxA, mtg
© Kimberly Huntzinger, 2007 · 1
Anthidium tenuiflorae, female, thoraxA, mtg

Anthidium tenuiflorae, male, T6, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium tenuiflorae, male, T6, VG
Anthidium tenuiflorae, male, S6, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium tenuiflorae, male, S6, VG

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

Anthidium tenuiflorae, female, T6, VG
© Kimberly Huntzinger, 2007 · 1
Anthidium tenuiflorae, female, T6, VG
Identification
Extracted from THE POLLEN-COLLECTING BEES OF THE ANTHIDIINI OF CALIFORNIA (Hymenoptera: Megachilidae) by GRIGARICK A., A. (1968).


Anthidium tenuiflorae Cockerell, 1907. Can. Ent, 39.135 I. 6\ Holotype 9, Boulder, Colorado (UCR). Anthidium tenuiflorae yukonense Cockerell, 1926. Ar.r.. Mac Nat. Hist., (9) 18:622 <$, 9. Holotype 6\ Carcam, Yuk.-r. Terr. (AMNH). NEW SYNONYMY. Biology.—Hicks, 1926, Colo. Univ. Studies, 15:248-249. Geographic range.—Northwest Canada south through 'Jr.* Pacific, Great Basin, and Rocky Mountain states to New Mexico, Arizona, and southern California. California records.—ALPINE Co.: Ebbett's Pass, 1 3, VII-30-59 (L. Campos, UCD). EL DORADO Co.: Fallen Leaf Lake, 1 3,1 9, VII-19-20 (I. McCracken, CIS). FRESNO CO.: Florence Lake, 1 9, VIII-29-52 (E. Schlinger, UCD). INYO Co.: Mono Pass, 12,000 ft, 3 3,2 9, VIII-13-57 (J. Powell, CIS). Wyman Canyon, White Mts., 1 3,3 9, VI-21-61 (J. Buckett, D. Miller, UCD). Los ANGELES CO.: Big Pine Camp, 1 3, VII—13—27, on Epilobium adenocaulum var. Parishii (P. Timberlake, UCR); 2 3,1 9, VII-11-27, on Lotus Davidsonii (P. Timberlake, UCR). MONO CO.: Blanco's Corral, White Mts., 7 3, 10 9, VII-8 to 23 (J. MacSwain, CIS). Blue Canyon, Sonora Pass, 3 3,1 9, VIII-30-60 (C. Toschi, CIS). Convict Lake, 1 3, VIII-6-38 (R. fie G. Bohart, UCR). Cottonwood Creek, 9,300 ft., VII-10-61 (G. Stage, CIS). Crooked Creek Lab., White Mts., 1 9, VII-21-61 (P. Hurd, CIS). Fales Hot Springs, 1 3, VIII-18-60 (G. Colliyen, CIS). Gem Lake, 1 3,1 9, VII-24-15 (CIS). Leavitt Meadows, 1 9, VI-23-51 (J. MacSwain, CIS). McKay Creek, Sonora Pass, 2 3, 2 9, VIII-18-60 (E. Jesson, CIS). Schulman Grove, White Mts., 1 9, VII-6-61 (G. Stage, CIS). Sonora Pass, 2 9, VIII-10-60 (C. Toschi, CIS). RIVERSIDE CO.: Herkey Creek, 1 9, VI-24-34 (K. McCracken, CAS). SAN BERNARDINO CO.: Big Bear Valley, 38 3, 22 9, VII-7-34, on Lotus argophyllus (P. Timberlake, UCR); 2 3,19, VIII-11-33, on Aster (P. Timberlake, UCR); 2 9, VII-4-35, on Phacelia heterophylla, Lupinus conlertus (P. Timberlake, UCR); 1 3, VII-4-35, on Solidago confinis (P. Timberlake, UCR). Dollar Lake Trail, San Bernardino Mts., 1 3, 1 9, VIII-10-56 (R. Bohart, H. Moffitt, UCD). SHASTA CO.: Lassen Pass, 7500 ft., 1 3,1 9, VII-18-49 (C. Smith, W. Wade, CIS). SIERRA CO.: Gold Lake, 1 3,1 9, VII-16-21 (E. Van Dyke, CAS). SISKIYOU Co.: Summit Lake, Marble Mts., 3 3,2 9, VIII-24-62 (E. Mezger, UCD). TUOLUMNE Co.: Blue Canyon, Sonora Pass, 3 3, VIII-30-60 (M. Irwin, UCD). Chipmunk Flat, 4 3, 2 9, VIII-9-60 (J. MacSwain, CIS; M. Irwin, UCD). Sonora Pass, 1 3,1 9, VIII-15-59, on Aster ioliaceous (R. Snelling, G. Stage, SS). This species is rather difficult to distinguish from the closely related emarginatum. Males of both species have a large blackish setal brush, sternum VI (figs. 32, 35) with the lateral and median lobes longer than wide, and tergum VII (figs. 31, 34) with rather broad lateral lobes. However, tenuiflorae males usually have the lateral lobes of tergum VII much broader than in emarginatum. Additionally, the me¬dial lobe of sternum VI is usually weakly emarginate in tenuiflorae (versus entire in emarginatum'), and the apex of sternum VIII (fig. 33) is relatively nar¬rower in tenuiflorae. The females of tenuiflorae usually have the sting emargination either absent or weakly developed; however, this character shows some variation. Additionally, in contrast to emargina¬tum, the female clypeus of tenuiflorae is flatter in profile (figs. 95 and 96). This character is also sub¬ject to variation. A. tenuiflorae is found at the higher elevations of California's major mountain ranges but is absent in the Coast Range. Its markings are cream colored in
northern California, but they become more yellowish in the mountains of southern California. A few observations on the habits of this species were contributed by Hicks (1926a) who studied it in Colorado. He observed the females carrying peb¬bles and found a nest which had been constructed between two rocks which, typical for the genus, was richly embellished with down. The records taken from an examination of 112 males and 145 females showed a relatively few plant associations to be scattered in four families with no discernible preference indicated.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Achillea millefolium @ RMBL_ENT (1)

Lactuca pulchella @ AMNH_BEE (1)
Boraginaceae  Phacelia sericea @ RMBL_ENT (1)
Fabaceae  Astragalus flexuosus @ AMNH_BEE (1)

Astragalus tenellus @ AMNH_BEE (1)

Psoralea sp @ BBSL__HOLO (1)

Trifolium repens @ AMNH_BEE (1)
Geraniaceae  Geranium richardsonii @ DART_ENT (1)
Plantaginaceae  Penstemon @ AMNH_BEE (1)
Rosaceae  Physocarpus @ AMNH_BEE (1)
Rykken, j.  2010 @ JRYA__NOCA (1)

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Updated: 2017-11-23 15:34:14 gmt
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