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Osmia nifoata Cockerell, 1909
Osmia (Acanthosmioides) nifoata Cockerell, 1909; Osmia pellax Sandhouse, 1924; Osmia sladeni Sandhouse, 1925; Osmia (Acanthosmioides) sladeni Sandhouse, 1925

Life   Insecta   Hymenoptera   Apoidea   Megachilidae   Osmia
Subgenus: Melanosmia

Osmia nifoata FEM mm .x ZS PMax
© Copyright Laurence Packer 2014 · 7
Osmia nifoata FEM mm .x ZS PMax

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Osmia nifoata MALE CFP
© Copyright Laurence Packer 2014 · 7
Osmia nifoata MALE CFP
Identification
Extracted from: Cockerell (1909). New American Bees. The Entomologist vol. VIII


Length, 9 mm.; dark greenish blue, the abdomen shining; hair of head and thorax entirely white; flagellum black or almost above, ferruginous beneath; apical tooth of mandibles very long, the other subobsolete, broadly obliquely truncate; tegulffi blue in front; wings clear, a little stained along the veins; legs black with strong metallic tints, especially on the femora behind; hair of legs partly light and partly dark, the anterior and especially the middle tibiffi conspicuously fringed with white hair behind; hind femora strongly swollen, their hair largely black; hind tibiffi conspicuously bent; inner side of hind basitarsus with dark fuscous hair; first abdominal segment with white hair, second with white and black, the others with black, a little white near hind margin of third; sixth segment entire; seventh bidentate; second ventral longitudinally grooved, and with a short compressed apical tooth, scarcely a third the length of the segment. As in O. odontogaste1', the ventral tooth is sometimes slightly bifid at the end. Distinguished from O. odontogaster, Okll., by the entirely different colour, and broader abdomen. It is nearer to Osmia ashmeaclii (Acanthosmioides ashmeadii, Titus), but differs from that by the much darker flagellum and the absence of a carina on the first ventral segment. The eyes are sage-green. Hab. Troublesome, Colorado, 7345 ft., June 8th and 9th, 1908; three males (8. A. Rohwer). This is the first Acanthosmioides from the Rocky Mountains.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Balsamorhiza sp @ BBSL (4)

Cirsium californicum @ BBSL__KWC (1)

Hulsea sp @ BBSL__KWC (1)

Senecio sp @ BBSL (1)

Taraxacum officinale @ BBSL__BBSLID (2)
Brassicaceae  Lepidium sp @ BBSL (1)
Fabaceae  Acmispon nevadensis @ UCRC_ENT (1); EMEC (5)

Astragalus cibarius @ BBSL (3)

Astragalus sp @ BBSL (11)

Astragalus @ EMEC (3)

Caragana sp @ BBSL (2)

Hedysarum boreale @ BBSL (2)

Lotus nevadensis @ BBSL__KWC (7)

Lotus sp @ BBSL__KWC (1); BBSL (1)

Lotus @ LACM_ENTB (1)

Lupinus sp @ BBSL (4)

Lupinus @ LACM_ENTB (1)

Medicago sativa @ BBSL (10)

Trifolium repens @ BBSL__BBSLID (1)

Vicia sp @ BBSL (7)

Vicia villosa @ BBSL (1)
Grossulariaceae  Ribes aureum @ BBSL (1)
Hydrophyllaceae  Nama rothrockii @ BBSL__KWC (1)

Phacelia imbricata @ BBSL__KWC (1)
Malvaceae  Sphaeralcea sp @ BBSL (1)
Rosaceae  Fragaria sp @ BBSL (1)
Scrophulariaceae  Penstemon leonardii @ BBSL (1)

Penstemon sp @ BBSL (1)
_  Withheld @ BBSL__YOSE (61); BBSL (99); BBSL__ZION (93)

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Updated: 2024-03-28 12:13:18 gmt
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