| Baetis | Larva - western nymph | Caucci p. 256+ CP XIX f |
| Baetis | Imago - hind wing | Arbona p. 169 fig. 135a |
| Baetis | Imago - midwestern female spinner | Caucci p. 256+ CP XXI e |
| Baetis | Imago - midwestern male spinner | Caucci p. 256+ CP XXI c |
| Baetis | Larva - eastern nymph | Caucci p. 256+ CP XIX a |
| Baetis | Larva - gill | Caucci p. 266 A |
| Baetis | Imago - forewing veins Sc & R1 | McClane p. 602 |
| Baetis | Larva - nymph | Caucci p. 261 A |
| Baetis | Larva - villopore | Merritt p. 142 fig. 11.85 |
| Baetis | Subimago - dun | Knopp p. 174 Plate 2b |
| Baetis | Larva - midwestern nymph | Caucci p. 256+ CP XIX c |
| Baetis | Imago - forewing Mu2? | McClane p. 603 |
| Baetis | Imago - fore wing | McClane p. 607 |
| Baetis | Imago - fore wing | Arbona p. 169 fig. 135a |
| Baetis | Larva - tarsus & claw | Merritt p. 137 fig. 11.43 |
| Baetis | Larva - lateral view | Bouchard p. 53 fig. 4.28 |
| Baetis | Larva - head lateral | Merritt p. 133 fig. 11.22 |
| Baetis | Larva - head dorsal view | Bouchard p. 55 fig. 4.35 |
| Baetis | Larva - head dorsal | Merritt p. 134 fig. 11.39 |
| Baetis | Larva - gill 4 | Merritt p. 137 fig. 11.51 |
| Baetis | Imago - head lateral | Merritt p. 149 fig. 11.125 |
| Baetis | Subimago - midwestern female dun | Caucci p. 256+ CP XXI a |
| Baetis | Imago - fore wing | Caucci p. 251 |
| Baetis bicaudatus | Larva - nymph | Knopp p. 048 |
| Baetis bicaudatus | Larva - gill | Knopp p. 048 |
| Baetis bicaudatus | Imago - hind wing | Arbona p. 177 fig. 72 |
| Baetis bicaudatus | Imago - genitalia | Arbona p. 179 fig. 73 |
| Baetis brunneicolor | Imago - fore and hind wings | Leonard p. 87 fig. 51 |
| Baetis brunneicolor | Imago - hind wing | Arbona p. 177 fig. 65 |
| Baetis brunneicolor | Larva - abdomen | Arbona p. 157 fig. 46 |
| Baetis brunneicolor | Larva - abdomen | Knopp p. 048 |
| Baetis brunneicolor | Larva - nymph | Schwiebert p.310a-13 |
| Baetis brunneicolor (Baetis heimalis) | Larva - nymph | Schwiebert p.310a-14 |
| Baetis brunneicolor (Baetis hiemalis) | Larva - nymph, labial palp, gill 4 | Leonard p. 89 fig. 52 |
| Baetis brunneicolor (Baetis hiemalis) | Subimago - | Swisher p. 122-CP-4c |
| Baetis brunneicolor (Baetis hiemalis) | Larva - nymph | Swisher p. 154 |
| Baetis brunneicolor (Baetis hiemalis) | Larva - m. head dorsal | Leonard p. 90 fig. 53a |
| Baetis brunneicolor (Baetis hiemalis) | Imago - genitalia | Leonard p. 129 fig. 79 |
| Baetis brunneicolor (Baetis hiemalis) | Larva - hind wing | Leonard p. 90 fig. 53c |
| Baetis brunneicolor (Baetis hiemalis) | Larva - m. head lateral | Leonard p. 90 fig. 53b |
| Baetis flavistriga | Larva - gill | Arbona p. 157 fig. 50 |
| Baetis flavistriga (Baetis cingulatus) | Imago - genitalia | Leonard p. 129 fig. 79 |
| Baetis flavistriga (Baetis cingulatus) | Larva - nymph | Schwiebert p.310a-12 |
| Baetis flavistriga (Baetis levitans) | Imago - genitalia | Leonard p. 129 fig. 79 |
| Baetis flavistriga (Baetis levitans) | Imago - male genitalia | Needham p. 688 d |
| Baetis flavistriga (Baetis levitans) | Larva - nymph | Schwiebert p.310a-8 |
| Baetis flavistriga (Baetis phoebus) | Imago - hind wing | Needham p. 685 f |
| Baetis flavistriga (Baetis phoebus) | Larva - abdomen | Arbona p. 157 fig. 48 |
| Baetis flavistriga (Baetis phoebus) | Larva - nymph | Schwiebert p.310a-10 |
| Baetis flavistriga (Baetis quebencis) | Larva - nymph | Caucci p. 256+ CP XIX d |
| Baetis intercalaris | Larva - labial palp | Berner - p. 74 fig. 109 |
| Baetis intercalaris | Larva - gill | Knopp p. 048 |
| Baetis intercalaris | Larva - nymph | Schwiebert p.310a-11 |
| Baetis intercalaris | Imago - hind wing, male | Berner - p. 60 fig. 29 |
| Baetis intercalaris | Imago - male genitalia | Needham p. 688 g |
| Baetis intercalaris | Larva - nymph | Knopp p. 048 |
| Baetis intercalaris (Baetis intercalaris) | Larva - nymph | Arbona p. 051 fig. 5-5 |
| Baetis intercalaris (Baetis levitans) | Larva - gill | Arbona p. 157 fig. 50 |
| Baetis intercalaris (Baetis levitans) | Imago - genitalia | Arbona p. 177 fig. 66 |
| Baetis intercalaris (Baetis levitans) | Imago - hind wing | Arbona p. 177 fig. 65 |
| Baetis intercalaris (Baetis levitans) | Larva - abdomen | Arbona p. 157 fig. 47 |
| Baetis intercalaris (Baetis vagans) | Larva - nymph | Arbona p. 050 fig. 5-4 |
| Baetis rusticans | Larva - abdomen | Arbona p. 157 fig. 45 |
| Baetis tricaudatus | Imago - male spinner | Caucci p. 256+ CP XX d |
| Baetis tricaudatus | Subimago - male dun | Caucci p. 256+ CP XX b |
| Baetis tricaudatus | Subimago - female subimago | McCafferty p. CP I fig. 003 |
| Baetis tricaudatus | Subimago - female dun | Caucci p. 256+ CP XX a |
| Baetis tricaudatus | Larva - nymph | Knopp p. 048 |
| Baetis tricaudatus | Larva - nymph | Arbona p. 055 fig. 5-8 |
| Baetis tricaudatus | Larva - gill | Knopp p. 048 |
| Baetis tricaudatus | Larva - abdomen | Arbona p. 157 fig. 45 |
| Baetis tricaudatus | Imago - male imago | McCafferty p. CP I fig. 002 |
| Baetis tricaudatus | Imago - hind wing | Arbona p. 179 fig. 75 |
| Baetis tricaudatus | Imago - female spinner | Caucci p. 256+ CP XX c |
| Baetis tricaudatus | Larva - abdomen | Arbona p. 157 fig. 55 |
| Baetis tricaudatus (Baetis intermedius) | Imago - hind wing | Arbona p. 179 fig. 74 |
| Baetis tricaudatus (Baetis intermedius) | Larva - abdomen | Arbona p. 157 fig. 53 |
| Baetis tricaudatus (Baetis moffati) | Imago - hind wing | Needham p. 685 k |
| Baetis tricaudatus (Baetis moffati) | Imago - male genitalia | Needham p. 688 e |
| Baetis tricaudatus (Baetis vagans) | Larva - labrum dorsal view | Bouchard p. 55 fig. 4.36 |
| Baetis tricaudatus (Baetis vagans) | Larva - nymph | Caucci p. 256+ CP XIX b |
| Baetis tricaudatus (Baetis vagans) | Larva - gill | Arbona p. 157 fig. 49 |
| Baetis tricaudatus (Baetis vagans) | Imago - hind wing | Arbona p. 177 fig. 64 |
| Baetis tricaudatus (Baetis vagans) | Imago - genitalia | Leonard p. 129 fig. 79 |
| Baetis tricaudatus (Baetis vagans) | Larva - nymph | Schwiebert p.310a-14 |
| Baetis tricaudatus (Baetis vagans) | Imago - hind wing | Needham p. 685 j |
| Baetisca | Imago - fore wing | Caucci p. 151 |
| Baetisca | Larva - nymph | Knopp p. 289 |
| Baetisca | Larva - head | Caucci p. 151 |
| Baetisca | Larva - abdomen | Caucci p. 151 |
| Baetisca | Imago - fore wing | Knopp p. 289 |
| Baetisca | Larva - lateral view | Merritt p. 131 fig. 11.03 |
| Baetisca | Larva - lateral view | Bouchard p. 50 fig. 4.3 |
| Baetisca | Larva - dorsal view | Bouchard p. 56 fig. 4.43 |
| Baetisca | Imago - fore wing | McClane p. 602 |
| Baetisca becki | Larva - dorsal view | Berner - p. 353 plate 24a |
| Baetisca becki | Larva - ventral view | Berner - p. 353 plate 24b |
| Baetisca carolina | Imago - male genitalia | Needham p. 560 b |
| Baetisca carolina | Larva - lateral | Needham p. 196 fig. 61 |
| Baetisca escambiensis | Larva - dorsal view | Berner - p. 367 plate 25 |
| Baetisca escambiensis | Imago - male genitalia | Berner - p. 70 fig. 87 |
| Baetisca gibbera | Larva - dorsal view | Berner - p. 370 plate 26 |
| Baetisca lacustris (Baetisca bajkovi) | Imago - adult | McCafferty p. 123 fig. 07.65 |
| Baetisca lacustris (Baetisca bajkovi) | Larva - larva | McCafferty p. 123 fig. 07.64 |
| Baetisca laurentina | Imago - male spinner | Leonard p. 65 fig. 40 |
| Baetisca laurentina | Larva - ventral view | Berner - p. 367 plate 24d |
| Baetisca laurentina | Larva - nymph, oblique veiw | Leonard p. 65 fig. 39 |
| Baetisca laurentina | Larva - nymph | Leonard p. 64 fig. 38 |
| Baetisca laurentina | Larva - larva | McCafferty p. CP IV fig. 023 |
| Baetisca laurentina | Larva - dorsal view | Berner - p. 353 plate 24c |
| Baetisca laurentina | Imago - genitalia | Leonard p. 126 fig. 76 |
| Baetisca laurentina | Larva - fore and hind wings | Leonard p. 64 fig. 37 |
| Baetisca obesa | Imago - male genitalia | Needham p. 560 c |
| Baetisca obesa | Larva - dorsal view | Berner - p. 375 plate 27 |
| Baetisca obesa | Larva - nymph | Schwiebert p.291 & 292 |
| Baetisca obesa | Egg | Needham p. 80 fig. 21 |
| Baetisca obesa | Imago - genitalia | Arbona p. 179 fig. 84 |
| Baetisca obesa | Imago - male genitalia | Berner - p. 70 fig. 86 |
| Baetisca rogersi | Imago - fore wing, male | Berner - p. 58 fig. 22 |
| Baetisca rogersi | Imago - hind wing, male | Berner - p. 60 fig. 39 |
| Baetisca rogersi | Imago - male genitalia | Berner - p. 70 fig. 85 |
| Baetisca rogersi | Larva - dorsal view | Berner - p. 378 plate 28 |
| Baetisca rubescens | Imago - male genitalia | Needham p. 560 a |
| Baetodes | Imago - genitalia ventral (male) | Merritt p. 155 fig. 11.173 |
| Bagous | Imago - head & pronotum dorsal | Merritt p. 460 fig. 20.318 |
| Bagous | Imago - head & prothorax ventro-lateral | Merritt p. 460 fig. 20.317 |
| Banksiola | Pupa - abdomen dorsal | Merritt p. 332 fig. 17.106 |
| Banksiola | Imago - head, pro & mesonotum dorsal | Merritt p. 336 fig. 17.135 |
| Banksiola | Imago - middle tibia & tarsus | Merritt p. 336 fig. 17.136 |
| Banksiola crotchi | Imago - lateral view | LaFontaine p. 64 CP IV - f |
| Banksiola dossuaria | Larva - case | Merritt p. 381 fig. 18.233 |
| Banksiola dossuaria | Larva - fore coxa ventral | Merritt p. 379 fig. 18.226 |
| Banksiola dossuaria | Larva - thorax dorsal | Merritt p. 379 fig. 18.229 |
| Banksiola dossuaria | Larva - ab6 & ab7 lateral | Merritt p. 381 fig. 18.237 |
| Barbaetis | Larva - abdomen dorsal | Merritt p. 142 fig. 11.84 |
| Barbaetis | Larva - head ventral | Merritt p. 142 fig. 11.83 |
| Bellura | Larva - abdomen posteolateral | McCafferty p. 367 fig. 18.08 |
| Bellura grotynoides (Bellura gortynoides) | Imago - adult | McCafferty p. 367 fig. 18.09 |
| Bellura grotynoides (Bellura gortynoides) | Larva - larva | McCafferty p. 367 fig. 18.07 |
| Beloneuria stewarti | Larva - head | Merritt p. 233 fig. 14.64 |
| Belostoma | Imago - fore wing | McCafferty p. 178 fig. 10.13 |
| Belostoma | Imago - hemelytra | Merritt p. 272 fig. 15.13 |
| Belostoma | Imago - middle & hind legs | Merritt p. 272 fig. 15.10 |
| Belostoma bakeri | Imago - dorsal view | Merritt p. 270 fig. 15.8 |
| Belostoma flumineum | Imago - adult | McCafferty p. 178 fig. 10.12 |
| Belostoma flumineum | Larva - larva | McCafferty p. 178 fig. 10.11 |
| Belostoma flumineum (Belostoma fluminea) | Imago - dorsal view | Bouchard p. 97 fig. 7.31 |
| Belostoma flumineum (Belostoma fluminea) | Imago - fore wing dorsal | Bouchard p. 94 fig. 7.17 |
| Belostoma flumineum (Belostoma fluminea) | Imago - head dorsal | Bouchard p. 92 fig. 7.12 |
| Bembidion chalceum | Imago - adult | McCafferty p. 346 fig. 17.09 |
| Beothukus complicatus | Larva - case | Merritt p. 386 fig. 18.282 |
| Beothukus complicatus | Larva - head dorsal | Merritt p. 352 fig. 18.5 |
| Beraea | Pupa - abdomen dorsal | Merritt p. 331 fig. 17.102 |
| Beraea | Pupa - anal proces lateral | Merritt p. 331 fig. 17.103 |
| Beraea | Larva - head, thorax, ab1 lateral | Merritt p. 321 fig. 17.51 |
| Beraea | Larva - anal proleg lateral | Merritt p. 325 fig. 17.67 |
| Beraea | Imago - head, pro & mesonotum dorsal | Merritt p. 336 fig. 17.138 |
| Beraea | Imago - middle tarsus | Merritt p. 336 fig. 17.139 |
| Beraea | Larva - anal prolegs ventral | Merritt p. 325 fig. 17.68 |
| Berosus | Larva - dorsal view | Merritt p. 430 fig. 20.112 |
| Berosus | Larva - larva | Schwiebert p.129 |
| Berosus | Imago - dorsal view | Bouchard p. 156 fig. 12.39 |
| Berosus | Larva - mandibles dorsal | Merritt p. 430 fig. 20.113 |
| Berosus | Larva - dorsal view | Bouchard p. 156 fig. 12.38 |
| Berosus | Larva - clypeus | Merritt p. 430 fig. 20.114 |
| Berosus | Imago - dorsal view | Merritt p. 435 fig. 20.155 |
| Berosus | Larva - larva | McCafferty p. 221 fig. 13.28 |
| Berosus (Besoinae) | Imago - adult anterior dorsal | McCafferty p. 223 fig. 13.34 |
| Berosus striatus | Imago - adult | McCafferty p. CP X fig. 064 |
| Bezzia | Larva - lateral view | Bouchard p. 175 fig. 13.69 |
| Bezzia | Larva - larva | McCafferty p. CP XV fig. 112 |
| Bezzia | Pupa - pupa | McCafferty p. 308 fig. 16.44 |
| Bibiocephala | Pupa - pupa | McCafferty p. 301 fig. 16.23 |
| Bibiocephala | Imago - adult | McCafferty p. 301 fig. 16.21 |
| Bibiocephala | Larva - larva | McCafferty p. 301 fig. 16.22 |
| Bidessonotus | Imago - fore leg tarsus | Merritt p. 421 fig. 20.077 |
| Bisancora rutriformis | Larva - head & pronotum dorsal | Merritt p. 234 fig. 14.75i |
| Bisancora rutriformis | Larva - right lacinia ventral | Merritt p. 234 fig. 14.75j |
| Bithyniidae | Ametabolous - ventral view | Bouchard p. 29 fig. 2.79 |
| Bittacomorpha | Larva - lateral view | Bouchard p. 180 fig. 13.84 |
| Bittacomorpha | Larva - larva | McCafferty p. 299 fig. 16.18 |
| Bittacomorpha | Pupa - anterior ventral | McCafferty p. 299 fig. 16.19 |
| Bittacomorpha clavipes | Imago - adult | McCafferty p. 299 fig. 16.20 |
| Bittacomorpha clavipes | Larva - lateral view | Bouchard p. 166 fig. 13.29 |
| Blaesoxipha fletcheri | Imago - adult | McCafferty p. 373 fig. 19.03 |
| Blaesoxipha fletcheri | Larva - larva | McCafferty p. 373 fig. 19.02 |
| Bledius | Imago - anterior tibia | Merritt p. 439 fig. 20.176 |
| Bledius | Imago - dorsal view | Merritt p. 439 fig. 20.175 |
| Blepharicera (Blepharocera) | Larva - larva | Schwiebert p.107-1 |
| Blephariceridae | Imago - wing | McCafferty p. 301 fig. 16.24 |
| Bolshecapnia spenceri | Larva - abdominal venter (male) | Merritt p. 229 fig. 14.41 |
| Brachybamus | Imago - head & pronotum lateral | Merritt p. 460 fig. 20.321 |
| Brachycentridae | Imago - mid leg | McCafferty p. 259 fig. 14.52 |
| Brachycentrus | Larva - head, thor. & ab1 lateral | Bouchard p. 125 fig. 10.38 |
| Brachycentrus | Imago - head & throax | McCafferty p. 259 fig. 14.51 |
| Brachycentrus | Pupa - lateral | Pobst - p. 59-b |
| Brachycentrus | Pupa - lateral | Pobst - p. 25-a |
| Brachycentrus | Pupa - dorso-lateral | Ames - p. 150 |
| Brachycentrus | Pupa - abdomen dorsal | Merritt p. 331 fig. 17.96 |
| Brachycentrus | Larva - right hind leg lateral | Merritt p. 352 fig. 18.1 |
| Brachycentrus | Imago - middle tibia & tarsus | Merritt p. 337 fig. 17.149 |
| Brachycentrus | Larva - retreat | Merritt p. 311 fig. 17.13 |
| Brachycentrus | larva - cased dorso-lateral | Ames - p. 148 |
| Brachycentrus | Larva - case | Pobst - p. 24-c |
| Brachycentrus | Larva - case | LaFontaine p. 221 - a |
| Brachycentrus | Larva - case | Merritt p. 353 fig. 18.16 |
| Brachycentrus | Imago - lateral view | LaFontaine p. 221 - b |
| Brachycentrus | Imago - head, pro & mesonotum dorsal | Merritt p. 337 fig. 17.148 |
| Brachycentrus | Imago - ab5 ventral | Merritt p. 337 fig. 17.150 |
| Brachycentrus | Adult - lateral | Ames - p. 152 |
| Brachycentrus | Larva - head & thorax dorsal | Merritt p. 323 fig. 17.58 |
| Brachycentrus americanus | Imago - adult | McCafferty p. CP XIII fig. 089 |
| Brachycentrus americanus | Larva - lateral view | Bouchard p. 127 fig. 10.48 |
| Brachycentrus americanus | Larva - larva | McCafferty p. CP XIII fig. 087 |
| Brachycentrus americanus | Larva - case | McCafferty p. CP XIII fig. 088 |
| Brachycentrus americanus | Adult - lateral | Pobst - p. 58-b |
| Brachycentrus americanus | Adult - lateral | Pobst - p. 24-a |
| Brachycentrus americanus | larva - case | Pobst - p. 59-a |
| Brachycentrus echo | Larva - case | Merritt p. 353 fig. 18.20 |
| Brachycentrus echo (Oligoplectrum echo) | Larva - case | McCafferty p. 259 fig. 14.49 |
| Brachycentrus fuliginosus | Pupa - pupa | Schwiebert p. 86b-7 |
| Brachycentrus lateralis | Adult - lateral | Pobst - p. 58-a |
| Brachycentrus occidentalis | Adult - lateral | Pobst - p. 24-b |
| Brachycercus | Larva - gill | Caucci p. 149 |
| Brachycercus | Larva - nymph | Knopp p. 288 |
| Brachycercus | Larva - head | Caucci p. 149 |
| Brachycercus | Imago - fore wing | McClane p. 602 |
| Brachycercus | Imago - fore wing | Caucci p. 133 B |
| Brachycercus | Imago - pronotum ventral | Merritt p. 155 fig. 11.164 |
| Brachycercus | Larva - nymph | Arbona p. 120 fig. 11-7 |
| Brachycercus | Larva - gill | Caucci p. 133 |
| Brachycercus berneri | Imago - male genitalia | Berner - p. 70 fig. 77 |
| Brachycercus berneri | Larva - dorsal view | Berner - p. 353 plate 23 |
| Brachycercus berneri | Larva - operculate gill | Berner - p. 82 fig. 163 |
| Brachycercus flavus | Imago - male genitalia | Needham p. 633 a |
| Brachycercus lacustris | Larva - nymph, head, ventral th 1 & 2 | Leonard p. 39 fig. 21 |
| Brachycercus lacustris | Imago - fore wing | Caucci p. 149 |
| Brachycercus lacustris | Imago - fore wing | Leonard p. 38 fig. 20 |
| Brachycercus lacustris | Larva - nymph | Schwiebert p.246a-10 |
| Brachycercus lacustris | Larva - nymph | Swisher p. 174 |
| Brachycercus maculatus | Larva - fore tarsus and claw | Berner - p. 78 fig. 150 |
| Brachycercus maculatus | Larva - operculate gill | Berner - p. 82 fig. 162 |
| Brachycercus nasutus | Larva - fore tarsus and claw | Berner - p. 78 fig. 149 |
| Brachycercus nasutus | Larva - head | Berner - p. 82 fig. 161 |
| Brachycercus nitidus | Larva - nymph | Schwiebert p.246a-11 |
| Brachycercus prudens | Imago - genitalia | Arbona p. 175 fig. 3 |
| Brachycercus prudens | Imago - male genitalia | Needham p. 633 b |
| Brachydeutera | Larva - abdomen posteolateral | McCafferty p. 326 fig. 16.91 |
| Brachydeutera | Pupa - puparium | McCafferty p. 326 fig. 16.93 |
| Brachydeutera argentata | Larva - ventral view | Bouchard p. 40 fig. 3.11 |
| Brachydeutera argentata | Pupa - ventral view | Bouchard p. 173 fig. 13.64 |
| Brachyvatus | Imago - head, pronotum, elytra bases | Merritt p. 424 fig. 20.085 |
| Braconidae | Imago - adult | McCafferty p. 375 fig. 20.01 |
| Brychius | Imago - head & pronotum dorsal | Merritt p. 416 fig. 20.059 |
| Brychius | Larva - abdomen lateral | Merritt p. 416 fig. 20.056 |
| Buenoa | Imago - dorsal view | Merritt p. 286 fig. 15.117 |
| Buenoa (Anisopinae) | Imago - head | McCafferty p. 173 fig. 10.03 |
| Buenoa margaritacea | Imago - adult | McCafferty p. 173 fig. 10.02 |
| Buenoa margaritacea | Imago - adult | Schwiebert p.119-2 |
| Buenoa scimitra | Imago - dorsal view | Merritt p. 286 fig. 15.113 |