6 kinds match:

Panurginus atramontensis  [popup] female

Panurginus atramontensis  [popup] male

Panurginus polytrichus  [popup] female

Panurginus polytrichus  [popup] male

Panurginus potentillae  [popup] female

Panurginus potentillae  [popup] male SEE MAP TO REPORT: check box next to kind above add note below, if desired click submit note

REMAINING (number with state)
Female, P. polytrichus vs. P. potentillae vs. P. atramontensis
 P. atramontensis - Head, clypeus shape, sides of clypeus BENT DOWN approximately 60 degrees - Clypeus rim, U-SHAPED when viewed end on - Overall body size, 6 to 7mm, SMALLER in direct comparison with P. polytrichus and LARGER than P. potentillae - Overall body hair, only moderately hairy - Head, antennae, flagella segment 1 clearly LONGER than pedicel - Antennae, flagella segment 9, length clearly GREATER than width (1)
 P. polytrichus - Head, clypeus shape, sides of clypeus NOT obviously bent down - Clypeus rim, shaped as an UNFLEXED BOW when viewed end on - Overall body size, 7 to 8mm LARGER in direct comparison with P. atramontensis and P. pontentillae - Overall body hair, quite HAIRY - Head, antennae, flagella segment 1 clearly LONGER than pedicel - Antennae, flagella segment 9, length about EQUAL to width (1)
 P. potentillae - Head, clypeus shape, sides of clypeus BENT DOWN approximately 60 degrees - Clypeus rim, U-SHAPED when viewed end on - Overall body size, 5 to 6.5 mm, VERY SMALL in comparison with P. atramontensis and P. polytrichus - Overall body hair, only moderately hairy - Head, antennae, flagella segment 1 EQUAL in size to pedicel - Antennae, flagella segment 9, length LESS THAN or EQUAL to width (1)
Female, head, face, distance between eyes vs length
 Distance between eyes LESS than or equal to length of face (2)
 Distance between eyes GREATER than length of face (1)
Length of body, measured in mm
 6mm (4)
 7mm (4)
 5mm (3)
 8mm (2)
Male, P. polytrichus vs. P. potentillae
 P. polytrichus - Head, antennae, flagella segment 1, clearly LONGER than flagella segment 2 - Body length, in comparison with P. pontentillae LARGER (1)
 P. potentillae - Head, antennae, flagella segment 1, SHORTER than or at most EQUAL to flagella segment 2 - Body length, in comparison with P. polytrichus much SMALLER (1)
Male, head, clypeus, color
 Entirely yellow (2)
 Apical half yellow and basal half black (1)
Sex, number of antennal segments
 Female, 12 (3)
 Male, 13 (3)
State or province where bee was collected
 AL (6)
 FL (6)
 GA (6)
 MS (6)
 NC (6)
 SC (6)
 DC (4)
 DE (4)
 KY (4)
 MD (4)
 NJ (4)
 OH (4)
 PA (4)
 TN (4)
 VA (4)
 WV (4)
 IL (2)
 IN (2)
 MA (2)
 MI (2)
 NY (2)
 Ontario (2)
 VT (1)