1. !"#$%&#'()
*+,-,(%,.%-+/%0-$/1231-4+
5/./$/64/%7,88/49,6
(All photos by Bob Henricks unless otherwise noted.)

2. :1;<=/(
>?+/2/$,?-/$1

3. Small Minnow Mayfly

4. Small Minnow Mayfly, lateral view

5. Brushlegged Mayfly

6. Brushlegged Mayfly, dorsal view (note hairy forelegs and meshed hair in tails)

7. Ameletid Mayfly

8. Ameletid mayfly, dorsal view

9. Flatheaded Mayfly

10. Flatheaded Mayfly, genus Epeorus (note two tails, not three)

11. Spiny Crawler Mayfly

12. Spiny Crawler gills

13. Spiny Crawler Mayfly, genus Drunella (note “muscular forearms”)

14. Little Stout Crawler, note triangular operculate gills

15. Small Squaregill Mayfly (note square operculate gills)

16. Pronggilled Mayfly

17. Common Burrower Mayfly

18. Armored Mayfly

19. 0-,6/<=/(
*8/4,?-/$1

20. Common Stonefly, genus Paragnetina

21. Common Stonefly, genus Eccoptura

22. Common Stonefly, lateral gills (“hairy armpits”)

23. Perlodid Stonefly

24. Large Winter Stonefly, genus Taeniopteryx

25. Large Winter Stonefly, genus Strophopteryx

26. Small Winter Stonefly

27. Small Winter Stonefly, distinctive wingpads

28. Giant Stonefly

29. Giant Stonefly, thoracic gills

30. Green Stonefly

31. Nemourid Stonefly, note cervical gills

32. Roach-like Stonefly

33. Rolled-winged Stonefly

34. Rolled-winged Stonefly, photo by Rose Brown

35. 71@@=(<=/(
A$=4+,?-/$1

36. Freeliving Caddisfly

37. Fingernet Caddisfly

38. Trumpetnet Caddisfly

39. Common Netspinner

40. Common Netspinner Pupa

41. Saddlecase Maker Caddisfly

42. Saddlecase Maker, out of case

43. Uenoid Caddisfly

44. Uenoid Caddisfly, out of case

45. Strong Casemaker Caddisfly

46. Micro Caddisfly

47. Lepidostomatid Caddisfly

48. Lepidostomatid Caddisfly, out of case

49. Humpless Caddis, Case Type A

50. Humpless Caddisfly, Case Type B

51. Humpless Caddisfly, Case Type C

52. Giant Casemaker Caddisfly (live), photo by Rose Brown

53. Giant Casemaker Caddisfly, preserved

54. Giant Casemaker Caddisfly, head (note abdominal gills)

55. Northern Casemaker, Case Type A

56. Northern Casemaker, out of case

57. Northern Casemaker, Case Type B

58. Northern Casemaker, Case Type C

59. Longhorned Casemaker, Case Type A

60. Longhorned Casemaker, Case Type B

61. Longhorned Caddisfly, out of case

62. B$1',6<=/(%16@%B12(/8<=/(
"@,61-1

63. Clubtail Dragonfly

64. Darner Dragonfly

65. Darner Dragonfly, labrum (ventral view)

66. Spiked-Tail Dragonfly

67. Emerald Dragonfly (Skimmer)

68. Broadwinged Damselfly (live), photo by Rose Brown

69. Broadwinged Damselfly (preserved)

70. Narrowwinged Damselfly

71. C/88'$122=-/(%16@%D8@/$<=/(
7,$;@18=@1/%16@%0=18=@1/

72. Hellgrammite (live)

73. Baby Hellgrammite

74. Alderfly

75. DE#194%&//-8/(
7,8/,?-/$1

76. Water Penny, dorsal view

77. Water Penny, ventral view

78. Long-toed Beetle (Dryopid) adult

79. Riffle Beetle, adult

80. Riffle Beetle larva (note operculum)

81. Ptilodactylidae larva (note: no operculum, gills exposed)

82. Water Scavenger Beetle, Type A

83. Water Scavenger Beetle, Type B

84. Predaceous Diving Beetle

85. Whirligig Beetle

86. A$#/%F8=/(
B=?-/$1

87. Midge (note front and back prolegs)

88. Midge pupa

89. Hatching Midge

90. Dixid Midge

91. Netwinged Midges, dorsal and ventral views

92. Biting Midge, Type A

93. Biting Midge, head (no prolegs)

94. Biting Midge, Type B

95. Black Fly

96. Black Fly head, dorsal view

97. Black Fly pupa

98. Dance Fly

99. Horse/Deer Fly larva

100. Primitive Crane Fly

101. Crane Fly

102. Soldier Fly, photo by Rose Brown

103. *;$18=@%:,-+
G"$@/$%H/?=@,?-/$1I
*;$18=@1/

104. Pyralid Moth

105. 7$#(-14/16(
B/41?,@1J%D2?+=?,@1J%K(,?,@1

106. Crayfish in tray, photo by Rose Brown

107. Scud

108. Sowbug, side view

109. Sowbug, dorsal view

110. 061=8(%16@%7812(
L1(-$,?,@1

111. Snails (Hydrobiid, Physid, Pleurocerid)

112. Physid snail (lunged)

113. Planorbid snail (lunged)

114. Hydrobiid snails (gilled)

115. Pleurocerid snail (gilled)

116. Asian clam