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Discover Life 24 kinds match:
Triepeolus atripes  [popup] male
Triepeolus brittaini  [popup] male
Triepeolus concavus  [popup] male
Triepeolus cressonii  [popup] male
Triepeolus distinctus  [popup] male
Triepeolus donatus  [popup] male
Triepeolus georgicus  [popup] male
Triepeolus helianthi  [popup] male
Triepeolus lunatus  [popup] male
Triepeolus michiganensis  [popup] male
Triepeolus micropygius  [popup] male
Triepeolus mitchelli  [popup] male
Triepeolus monardae  [popup] male
Triepeolus nevadensis  [popup] male
Triepeolus nigrihirtus  [popup] male
Triepeolus obliteratus  [popup] male
Triepeolus pectoralis  [popup] male
Triepeolus quadrifasciatus atlanticus  [popup] male
Triepeolus remigatus  [popup] male
Triepeolus rhododontus  [popup] male
Triepeolus rufithorax  [popup] male
Triepeolus rugosus  [popup] male
Triepeolus simplex  [popup] male
Triepeolus sp 101  [popup] male


REMAINING (number with state)
Abdomen, S4, apical fringe of hair, color
 Brown and white MIXED - Most often the tips are white and the bases brown (17)
 All brown (16)
 All white (1)
Abdomen, T1, basal and apical pale hair bands direction
 Parallel or nearly so (20)
 Not parallel (9)
Abdomen, T1, width of dark medial region vs width of pale hair bands on sides
 Wider than pale band of hair on sides (21)
 Equal in width to the pale band of hair on sides (8)
 Narrower than pale band of hair on side (5)
Abdomen, T2, swath of pale hair along the lateral sides, angle at which it joins the apical hair band
 Square or obtuse - 90 degrees or greater (13)
 Weakly acute - 60 to 80 degree angle (13)
 Strongly acute - 45 degree angle or less (9)
 Lateral swaths of pale hair ABSENT (7)
Abdomen, pygidial plate, subapical ridge
 Present (19)
 Absent (11)
Abdomen, pygidial plate, width
 Moderately wide, about 1.5 ocellar diameters at subapical ridge (20)
 Wide, 2-3 ocellar diameters at subapical ridge (6)
 Narrow, about one ocellar diameter at subapical ridge (3)
Abdomen, sterna, presence of appressed white hairs
 On S2-S3 (20)
 On S2-S4 (17)
 Absent from all sterna (2)
 On S3 only (2)
Abdomen, terga, rim, color of hair band - See explain, very tricky
 Pale yellow (16)
 Grayish to white - The less commonly seen state (10)
Head, clypeus, length
 Normal, apical rim of clypeus reaching bottom edge of eye, or nearly so, NOT surpassing it by more than 1 ocellar diameter (22)
 Long, apical rim of clypeus SURPASSING bottom edge of eye by 1.5 ocellar diameters or more (5)
Head, clypeus, presence or absence of a smooth, impunctate, slightly elevated longitudinal midline
 Absent (16)
 Faintly distinguishable from rest of clypeus (16)
 Strongly distinct from rest of clypeus (11)
Head, clypeus, size of pits
 All pits the SAME relatively small size (20)
 With larger pits that are just faintly distinguishable from smaller pits (15)
 With larger pits OBVIOUSLY distinct from smaller pits - This is the more rare state (12)
Head, integument color of clypeus
 All black to brown (22)
 Black to brown with some red or orange (9)
 All red to orange (3)
Head, upper rear margin, presence or absence of carina
 Absent (21)
 Present - A rare state (3)
Legs, integument color, not including tarsi, coxae, or spines
 Entirely black to brown (17)
 Black to brown with some red or orange (12)
 Entirely red or orange (9)
State or province where bee was collected
 SC (21)
 NC (20)
 GA (19)
 MS (19)
 VA (19)
 DC (18)
 NJ (18)
 PA (18)
 TN (18)
 WV (18)
 AL (17)
 FL (17)
 KY (17)
 MD (17)
 DE (16)
 IL (16)
 IN (16)
 OH (16)
 LA (15)
 NY (13)
 WI (11)
 MI (10)
 CT (8)
 MA (8)
 RI (8)
 Ontario (7)
 ME (4)
 NH (4)
 VT (3)
 New Brunswick (2)
 Nova Scotia (2)
 Quebec (2)
 SD (1)
T. atripes vs. T. michiganensis
 T. atripes - Abdomen, T2 NOT broken except in a few cases - Leg, tarsal segments, color, BROWN - Thorax, tegula BROWN, but usually with an ORANGE-AMBER SPOT nearest the wing - Total length over 10 mm (1)
 T. michiganensis - Abdomen, T2 clearly BROKEN - Leg, tarsal segments, color, an ORANGE-AMBER - Thorax, tegula ORANGE-AMBER - Total length under 10mm (1)
T. cressonii vs. T. helianthi
 T. cressonii - WARNING - All these characters may at times NOT be present - Head, clypeus, appressed white hairs on THREE-FOURTHS or MORE of the clypeus - Labrum, color, ALL AMBER or dark orange - Abdomen, T3 and T4, COMPLETE stripes of white hairs across the rims, with no gaps - S2, band of white hair across the rim, usually COMPLETE with no gaps, but not always - Sometimes difficult to tell apart from T. helianthi (1)
 T. helianthi - WARNING - All these characters may at times NOT be present - Head, clypeus, appressed white hair only at the VERY BASE of the clypeus - Labrum, color, ALL DARK or the CENTER is DARK - Abdomen, T3 and T4, stripes of white hairs across the rims with a NARROW GAP in the CENTER of these segments - S2, band of white hair across the rim, usually with a wide MISSING GAP in the MIDDLE of the segment, but not always - Sometimes difficult to tell apart from T. cressoni (1)
T. helianthi vs. T. rhodontus and T. sp. 101
 T. rhodontus and T. sp. 101 - Abdomen, T1-T6, pale bands of hair a UNIFORM WHITE color without any yellowish cast - Head, clypeus, with NO sign of a raised central longitudinal line, PITS UNIFORM throughout (2)
 T. helianthi - Abdomen, T1 and T2, pale bands of hair with a slight yellowish cast in contrast to T6, which is bright white - Head, clypeus texture, with a very SLIGHTLY RAISED LONGITUDINAL LINE down the center, usually with a very slightly lower number of pits along the line than not along the line, best viewed from a slight angle rather than straight from on top (1)
T. quadrifasciatus atlanticus vs.all
 Thorax, pronotal collar, length at midpoint, NORMAL, about one ocellar diameter in length (23)
 Thorax, pronotal collar, length at midpoint, LONG, about 2 ocellar diameters in length (2)
T. remigatus vs. T. simplex
 T. remigatus - Abdomen, S3-S5, with LONG WAVY BROWN HAIR or setae along the rim of the segment, S3 with these hairs only in the very center of the rim - Pseudopygidium, with transverse raised line or RIDGE PRESENT across the rear, this ridge often not absolutely clear as the entity itself but often occurs as a sharp break between the shinier apical portion of the plate and the duller rear - T2, with white hairs running completely ALONG THE RIM of the segment, but with a SUBSTANTIAL GAP in the center where no hairs are present (1)
 T. simplex - Abdomen, S4 only, with LONG WAVY BROWN HAIR or setae - S3 and S5, only with SHORT HAIR - Pseudopygidium, with NO transverse raised line or ridge present across the rear - T2, with white hairs running completely ALONG THE RIM of the segment with NO gaps (1)
T. rugosus and micropygius vs. all
 DEFAULT option, species for which the male is known - ALWAYS choose this option first (21)
 Species for which the male is currently UNKNOWN (2)
Thorax, integument color of pronotal lobes, not hair color
 Black to dark brown (21)
 Red to orange (11)
Thorax, integument color of scutellum
 Entirely black to brown (23)
 Black to brown with some red or orange (3)
 Entirely red or orange (2)
Thorax, integument color of tegula
 Black to brown (19)
 Red to orange (14)
Thorax, mesepisternum, length of erect simple hairs on lateral surface - NOT ventral surface
 LACKING hairs of this type (17)
 Length LESS than 0.5 ocellar diameter (13)
 Length GREATER than 1 ocellar diameter (5)
Thorax, scutum, PRESENCE or ABSENCE of a PAIR of distinct NARROW STRIPS OF PALE HAIR running longitudinally from the anterior margin of the scutum
 Distinct, NOT clearly connected to pale hair on apical margin (17)
 Distinct, clearly CONNECTED to pale hair on apical margin (14)
 Absent, anterior scutum entirely dark, either with all dark hair or lacking hair altogether (4)
 Indistinct, NOT distinguishable from pale hair on apical half of scutum (3)
Thorax, width between tegulae
 1-2.5 mm (20)
 Less than 2.0 mm (15)
 2.6-3.0 mm (14)
 Greater than 3.1 mm (6)
Total length
 10-12 mm (20)
 Less than 10 mm (15)
 12-14 mm (12)
 14-16 mm (7)
 Greater than 16 mm (3)