Female, Abdomen ,T2, Color, yellow, white, blue, or red markings contrasing with a dark background color - NOT color of hair | Female, Abdomen, Latidudinal bands of hair in a contrasting color to the integument or other hair present, on an individual segment, can go completely across the abdomen or only partially, can be many or few | Female, Head, Clypeus, Color, Presence of yellow, white, or red surface markings | Female, Head, Lateral Ocelli, Distance between ocelli versus distance to edge of head - Measured from edge of ocelli | Female, Thorax, Scutum, Density of Hair | Female, Thorax, axilla, shape | Female, Thorax, primary color - Note this is the base color, not the hair color, there can be various other markings in addition | Female, leg, pollen carrying hairs, location - Note, lots of variability in density and type of pollen carrying hairs, can be tricky to determine, see explain for details | Genus | Head, Clypeus, Dimensions | Leg, arolium - A pad-like structure that rests between the two claws | Male, Head, Antenna, Length of flagellar segment 1 compared to 2 - Note, measure on the segments longest side | Male, Head, Antenna, Length of flagellar segment 2 compared to 3 - Note, measure on the segments longest side | Male, Head, Clypeus, Color, Presence of yellow, white, or red surface markings | Male, Thorax ,Scutum, Color, Yellow, White, or Red Markings | Male, Thorax, Scutum, Color of hair | Male, Thorax, primary color - Note this is the base color, not the hair color, there can be various other markings in addition | Size, In comparison to a Honeybee | Species guide status - This guide is only partially completed. A number of species and or genders of individual species have yet to be seen and therefore have yet to be scored. So to use this guide we recomomend that you click on the appropriate gender category to eliminate the unscored species. Just be aware that the species you are identifying may be one of the species we have yet to score | Subfamily | Wing, Marginal Cell, Tip or farthest point of cell, Location | Wing, submarginal cell number

Check boxes for all that apply. If uncertain, skip character or select several states. Then click on any search button.
Navigate with above index or scroll bar.

Number scored for a state is in green.

1. Species guide status - This guide is only partially completed. A number of species and or genders of individual species have yet to be seen and therefore have yet to be scored. So to use this guide we recomomend that you click on the appropriate gender category to eliminate the unscored species. Just be aware that the species you are identifying may be one of the species we have yet to score

51Scored Females    26Scored Males    67Unscored Females    91Unscored Males   

2. Genus

2Allodape    9Amegilla    1Anthidium    1Anthophora    1Apis    1Apotrigona    3Axestotrigona    7Braunsapis    7Ceratina    7Coelioxys    1Dactylurina    1Halictus    1Hoplitis    3Hypotrigona    4Lasioglossum    1Liotrigona    6Lipotriches    2Lithurgus    27Megachile    1Meliplebia    1Meliponula    4Nomia    3Pachyanthidium    2Pasites    3Pseudapis    1Pseudoanthidium    1Steganomus    1Tetralonia    1Tetraloniella    1Thrinchostoma    6Thyreus    8Xylocopa   

3. Subfamily

30Apinae    6Halictinae    2Lithurginae    40Megachilinae    2Nomadinae    14Nomiinae    24Xylocopinae   

4. Wing, submarginal cell number

262    233    8Submarginal cells not closed   

5. Wing, Marginal Cell, Tip or farthest point of cell, Location

8Marginal cell open, veins not connected at the end    34Tip is pulled away from the edge of the wing    18Tip is right on the margin   

6. Size, In comparison to a Honeybee

211. Smaller than half as big    292. About half to almost the same size    193. About the same size    234. Clearly larger but not twice as large    125. Twice the size or larger   

7. Leg, arolium - A pad-like structure that rests between the two claws

28Absent - look closely, while there may be no pad there is often a clump of hairs    37Present - although sometimes minute and usually also associated with long hairs   

8. Head, Clypeus, Dimensions

10About Equal    48Latitudinally wider than longitudinally long    18Longitudinally longer than Latitudinally wide   

9. Female, leg, pollen carrying hairs, location - Note, lots of variability in density and type of pollen carrying hairs, can be tricky to determine, see explain for details

4No scopa present    8On femur    36On tibia    11Underside of abdomen   

10. Female, Thorax, primary color - Note this is the base color, not the hair color, there can be various other markings in addition

49Black or brown    5Blue, dark blue, blue-green, or dark green, usually dulled by a rough surface or inscribed microscopic surface lines, often with distinct metallic overtones   

11. Female, Abdomen, Latidudinal bands of hair in a contrasting color to the integument or other hair present, on an individual segment, can go completely across the abdomen or only partially, can be many or few

31Absent    26Present   

12. Female, Head, Clypeus, Color, Presence of yellow, white, or red surface markings

38Absent    15Present   

13. Female, Head, Lateral Ocelli, Distance between ocelli versus distance to edge of head - Measured from edge of ocelli

21Between ocelli less    39Between ocelli more    12Equal To   

14. Female, Thorax, Scutum, Density of Hair

251. No hair at all    472. Some hair but most of surface clearly visible    253. About half the surface hidden by hair    134. All or almost all the surface hidden by hair   

15. Female, Abdomen ,T2, Color, yellow, white, blue, or red markings contrasing with a dark background color - NOT color of hair

46Absent    7Present   

16. Female, Thorax, axilla, shape

6Axilla, end projecting out of the rear of the scutellum as a triangle, spine, or, rarely, rounded over    45Rear margin tame, without projection, in line with the rest of the scuttellum   

17. Male, Thorax, primary color - Note this is the base color, not the hair color, there can be various other markings in addition

29Black or brown    2Blue, dark blue, blue-green, or dark green, usually dulled by a rough surface or inscribed microscopic surface lines, often with distinct metallic overtones   

18. Male, Head, Clypeus, Color, Presence of yellow, white, or red surface markings

16Absent    14Present   

19. Male, Head, Antenna, Length of flagellar segment 1 compared to 2 - Note, measure on the segments longest side

201. F1 shorter than F2    92. F1 and F2 about equal    163. F1 longer than F2   

20. Male, Head, Antenna, Length of flagellar segment 2 compared to 3 - Note, measure on the segments longest side

261. F2 shorter than F3    262. F2 and F3 about equal    263. F2 longer than F3   

21. Male, Thorax ,Scutum, Color, Yellow, White, or Red Markings

27Absent    1Present   

22. Male, Thorax, Scutum, Color of hair

3Black or dark brown    1Bright iridescent green or blue!    7Mixed light and dark    14White, tan, off-white, or grey    9Yellow or orange