1. Apoid flip slides McGinley-LeBuhn productions

2. The first slide is a photograph The second slide identifies the previous photograph

4. Apoid plumose hairs

6. Apoid pronotal lobe (short and rounded)

8. Sphecoid pronotal lobe (large and irregular

10. Vespoid pronotal lobe (large and triangular)

12. Short-tongued halictid

14. Nomia (Hal) 1 and 3 SMC coequal; tergal bands not hairs

16. Colletes 2 nd recurrent vein “s” shaped; note curved antennae

18. Agapostemon – strongly arcuate basal vein (halictinae); metallic green head and thorax

20. Colletes – heart shaped face

22. Andrena male beard

24. Protoxaea – large/robust; long narrow MC; distinctive SMC morphology

26. Andrena female – facial fovae; propodeal scopa

28. Lasioglossum (Lasioglossum) basal vein; basal tergal hair bands; only outer transverse cubital weak

30. Hesperapis – flat abdomen (banded hairs); 2SMC

32. Agapostemon male

34. Perdita

36. Hylaeus

38. Dieunomia

40. Andrena female

42. Ptiloglossa

44. Duforea

46. Hylaeus

48. Sphecodes

50. Halictus seladonia

52. Calliopsis

54. Colletes Bifid glossa

56. Perdita perpallida

58. Augochlora sp.

60. Temnosoma sp.

62. Caupolicana yarrowi

64. Caupolicana fulvicolis

66. Macropis labiata

68. Melitta

70. Long-tongue Nomada

72. Megachile sp.

74. Anthidium maculatum

76. Nomada flava

78. Ceratina tejonensis

80. Euglossa

82. Ericrosis lata

84. Apis dorsata