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Panurginus Nylander
Life   Insecta   Hymenoptera   Apoidea   Andrenidae
Subgenus: None

Panurginus ineptus, female PADIL
Laurence Packer · 9
Panurginus ineptus, female PADIL

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Panurginus ineptus, male PADIL
Laurence Packer · 9
Panurginus ineptus, male PADIL
Panurginus cressoniellus FEM CFP
© Copyright Laurence Packer 2014 · 7
Panurginus cressoniellus FEM CFP

Panurginus cressoniellus MALE CFP-
© Copyright Laurence Packer 2014 · 7
Panurginus cressoniellus MALE CFP-
Panurginus beardsleyi FEM CFP comp
© Copyright Laurence Packer 2014 · 7
Panurginus beardsleyi FEM CFP comp

Panurginus beardsleyi MALE CFP comp
© Copyright Laurence Packer 2014 · 7
Panurginus beardsleyi MALE CFP comp
Panurginus beardsleyi Female
© Copyright Laurence Packer 2014 · 7
Panurginus beardsleyi Female

Panurginus beardsleyi Male
© Copyright Laurence Packer 2014 · 7
Panurginus beardsleyi Male
Panurginus atriceps MALE CFP
© Copyright Laurence Packer 2014 · 7
Panurginus atriceps MALE CFP

Panurginus atriceps FEM mm .x f
© Copyright Laurence Packer 2014 · 7
Panurginus atriceps FEM mm .x f
Panurginus ineptus FEM mm x f
© Copyright Laurence Packer 2014 · 7
Panurginus ineptus FEM mm x f

Panurginus ineptus MALE mm x f
© Copyright Laurence Packer 2014 · 7
Panurginus ineptus MALE mm x f
Panurginus polytrichus, figure60b
© Copyright source/photographer · 1
Panurginus polytrichus, figure60b

Panurginus polytrichus, figure61b
© Copyright source/photographer · 1
Panurginus polytrichus, figure61b
Panurginus polytrichus, male, face
© T. B. Mitchell. 1960. Bees of the Eastern United States · 1
Panurginus polytrichus, male, face

Panurginus atramontensis, figure60a
© Copyright source/photographer · 1
Panurginus atramontensis, figure60a
Panurginus atramontensis, figure61a
© Copyright source/photographer · 1
Panurginus atramontensis, figure61a

Panurginus atramontensis, male, face
© T. B. Mitchell. 1960. Bees of the Eastern United States · 1
Panurginus atramontensis, male, face
Panurginus potentillae, figure60c
© Copyright source/photographer · 1
Panurginus potentillae, figure60c

Panurginus potentillae, figure61c
© Copyright source/photographer · 1
Panurginus potentillae, figure61c

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Index Extracted from 2017 Bees of Maryland: A Field Guide http://bio2.elmira.edu/fieldbio/beesofmarylandbookversion1.pdf

Small, overlooked, and rarely detected spring species; but likely more commonly detected if people looked for nest sites and observed bees at each species favorite food plants.


Field Marks: ♀♂Small size. Hair, largely absent. Face, wider than long. Wings, while often difficult to see, these species have only 2 submarginal cells. Abdomen, no pale hair bands/patches or pale markings of any kind. ♀Integument, including face, entirely black. Note: face has narrow slits (foveae) above antennae parallel to compound eye, but these are difficult to see without a microscope or high-res photograph. ♂Clypeus bright yellow or mostly bright yellow, remainder of bee all black, with the exception of the ends of the legs (tarsal segments) and portions of front tibia with pale markings.

Flight Season: Spring
Size Relative to Honey Bee: 0.5X
Position of Wings Feeding on Flowers: Completely overlapping
Location of Pollen Carrying Hairs: Hind tibia and basitarsus
Similar Genera: Hylaeus - ♀Face, yellow/white markings between eye and clypeus. Carries no external pollen. ♂Face, entire lower face often yellow/pale-white. Calliopsis - Markings quite different. Pseudopanurgus and Perdita - Flight periods do not overlap, both out only in the fall. Most of the Other Genera that are Small Black Bees - Have 3 submarginal cells and noticeable, though possibly restricted, patches/bands of pale hairs.
Nest: Ground, flat, open bare soil. P. polytrichus and P. potentillae are known to aggregate their nests.

Flowers: Forbs and low shrubs

Names Scientific source:



Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Solidago - @ I_ADG (1)
Boraginaceae  Cryptantha @ I_JSA (2)
Rosaceae  Potentilla anserina @ I_ADG (1)
_  Rosaceae @ I_JSA (1)

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