Ochrotrichia | Larva - head dorsal | Merritt p. 318 fig. 17.37 |
Ochrotrichia | Larva - case | McCafferty p. 256 fig. 14.34 |
Ochrotrichia | Larva - larva | McCafferty p. 256 fig. 14.33 |
Ochrotrichia | Larva - metanotum lateral | Merritt p. 361 fig. 18.87 |
Ochrotrichia | Larva - head & thorax dorsal view | Bouchard p. 119 fig. 10.10 |
Ochrotrichia | Larva - lateral view | Merritt p. 320 fig. 17.42 |
Ochrotrichia | Larva - lateral view | Bouchard p. 120 fig. 10.13 |
Ochterus | Imago - head & pronotum dorsal | Merritt p. 279 fig. 15.65 |
Ochterus americanus | Imago - adult | McCafferty p. 343 fig. 17.05 |
Ochterus barberi | Imago - dorsal view | Merritt p. 280 fig. 15.69 |
Ochthebius | Larva - last abd. segs. dorsal | Merritt p. 437 fig. 20.167 |
Ochthebius | Larva - mandible | Merritt p. 437 fig. 20.168 |
Ochthebius | Imago - dorsal view | Merritt p. 437 fig. 20.171 |
Octogomphus specularis | Larva - antenna | Bouchard p. 69 fig. 5.16a |
Odontoceridae | Imago - head & throax | McCafferty p. 266 fig. 14.79 |
Oecetis | larva - cased lateral | Pobst - p. 78-b |
Oecetis | larva - case | Pobst - p. 42-b |
Oecetis | Pupa - terminal process & antenna lateral | Merritt p. 332 fig. 17.109 |
Oecetis | Pupa - abdomen dorsal | Merritt p. 332 fig. 17.110 |
Oecetis | Larva - head dorsal, left mandible | Merritt p. 364 fig. 18.110 |
Oecetis | Larva - middle leg lateral | Merritt p. 364 fig. 18.106 |
Oecetis | Imago - middle tibia | Merritt p. 336 fig. 17.142 |
Oecetis | Imago - lateral view | LaFontaine p. 258 - b |
Oecetis | Imago - head, pro & mesonotum dorsal | Merritt p. 336 fig. 17.141 |
Oecetis | Adult - lateral | Pobst - p. 78-A |
Oecetis | Larva - case | LaFontaine p. 258 - a |
Oecetis disjuncta | Adult - lateral | Pobst - p. 42-a |
Oecetis inconspicua | Imago - lateral view | LaFontaine p. 253 |
Oecetis inconspicua | Larva - larva | McCafferty p. CP XIII fig. 095 |
Oemopteryx glacalis | Larva - right cersus lateral | Merritt p. 226 fig. 14.17 |
Oestropsinae (Macronematinae) | Larva - abdomen lateral | McCafferty p. 251 fig. 14.23 |
Oligochaeta | Ametabolous - full view | Bouchard p. 12 fig. 2.3 |
Oligocheata | Ametabolous - full view | Bouchard p. 16 fig. 2.26 |
Oligophlebodes | Imago - lateral view | LaFontaine p. 284 - b |
Oligophlebodes | Larva - case | LaFontaine p. 284 - a |
Oligophlebodes | Larva - case | Merritt p. 370 fig. 18.154 |
Oligophlebodes | Larva - thorax dorsal | Merritt p. 367 fig. 18.140 |
Oligophlebodes minutus (Oligophleboides minutes) | Pupa - pupa | Schwiebert p. 96 |
Oligostomis | Larva - head & thorax dorsal | Merritt p. 320 fig. 17.46 |
Oligostomis | Larva - retreat | Merritt p. 311 fig. 17.15 |
Oligotricha lapponica | Larva - ab6 & ab7 lateral | Merritt p. 381 fig. 18.238 |
Oligotricha lapponica (Neuronia lapponica) | Pupa - pupa | Schwiebert p. 86b-3 |
Omophron | Imago - dorsal view | Merritt p. 409 fig. 20.034a |
Omophron americanum | Imago - adult | McCafferty p. 346 fig. 17.08 |
Oncopsis flavidorsum | Imago - adult | McCafferty p. 363 fig. 18.02 |
Onocosmoecus | Imago - lateral view | LaFontaine p. 279 - b |
Onocosmoecus | Larva - case | LaFontaine p. 279 - a |
Onocosmoecus | Larva - cased & uncased dorsal | LaFontaine p. 275 - 1b |
Onocosmoecus | Larva - hind tibia lateral | Merritt p. 373 fig. 18.182 |
Onocosmoecus unicolor | Larva - ab7 dorsal | Merritt p. 384 fig. 18.277 |
Onocosmoecus unicolor | Larva - pronotum dorsal view | Merritt p. 384 fig. 18.275 |
Onychylis | Imago - tarsus apical segs. lateral | Merritt p. 460 fig. 20.322 |
Optioservus | Larva - prothorax ventral | Merritt p. 451 fig. 20.254 |
Optioservus | Larva - ventral view | Merritt p. 451 fig. 20.253 |
Optioservus | Larva - mesothorax ventral | Merritt p. 451 fig. 20.255 |
Optioservus | Imago - lateral view | Merritt p. 457 fig. 20.297 |
Optioservus | Imago - dorsal view | Merritt p. 457 fig. 20.296 |
Optioservus | Imago - antenna | Merritt p. 457 fig. 20.298 |
Optioservus | Imago - antenna | Bouchard p. 150 fig. 12.24 |
Optioservus | Imago - abdomen ventral | Merritt p. 457 fig. 20.300 |
Optioservus | Larva - larva | McCafferty p. 231 fig. 13.58 |
Optioservus | Imago - fore leg | Merritt p. 457 fig. 20.299 |
Optioservus fastiditus | Imago - adult | McCafferty p. 230 fig. 13.52 |
Ora | Imago - hind legs | Merritt p. 442 fig. 20.192 |
Oravelia pege (Orovelia pege) | Imago - dorsal view | Merritt p. 282 fig. 15.89 |
Ordobrevia | Imago - dorsal view | Merritt p. 453 fig. 20.272 |
Ordobrevia | Larva - head dorsal | Merritt p. 449 fig. 20.246 |
Ordobrevia | Imago - dorsal view | Bouchard p. 153 fig. 12.31 |
Oribatei | Imago - adult dorsal | McCafferty p. 401 fig. 23.06 |
Ormosia | Larva - abdomen posterior | McCafferty p. 296 fig. 16.12 |
Orohermes crepusculus | Imago - lateral view | Merritt p. 301 fig. 16.9 |
Orohermes crepusculus | Imago - tibia & tarsus distal | Merritt p. 301 fig. 16.10 |
Orohermes crepusculus | Larva - egg-burster | Merritt p. 301 fig. 16.4a |
Orohermes crepusculus | Larva - segment VIII dorsal | Merritt p. 302 fig. 16.20 |
Orohermes crepusculus | Larva - segment VIII left spiracle dorsal | Merritt p. 303 fig. 16.29 |
Orohermes crepusculus | Ova - egg mass | Merritt p. 302 fig. 16.16 |
Oroperla barbara | Larva - left abdomen ventral | Merritt p. 236 fig. 14.77 |
Orthocladiinae | Larva - head lateral | McCafferty p. 313 fig. 16.52 |
Orthotrichia | Larva - abdomen lateral | Merritt p. 363 fig. 18.91 |
Orthotrichia | Larva - case | Merritt p. 363 fig. 18.101 |
Osobenus yakimae (Osobenus yakamae) | Larva - right lacinia ventral | Merritt p. 236 fig. 14.83 |
Ostracoda | Imago - adult lateral | McCafferty p. 394 fig. 22.09 |
Ostrinia penitalis | Larva - larva | McCafferty p. 280 fig. 15.06 |
Ostrinia penitalis | Pupa - pupa | McCafferty p. 280 fig. 15.07 |
Ostrocerca truncata | Larva - pronotum | Merritt p. 227 fig. 14.25 |
Oulimnius | Imago - dorsal view | Merritt p. 456 fig. 20.292 |
Oulimnius | Larva - dorsal view | Merritt p. 451 fig. 20.261 |
Oxyethira | Larva - case | Merritt p. 363 fig. 18.96 |
Oxyethira | Larva - cased larva | McCafferty p. 256 fig. 14.35 |
Oxyethira | Imago - lateral view | LaFontaine p. 247 - b |
Oxyethira | Larva - fore leg lat | Merritt p. 361 fig. 18.81 |
Oxyethira | Larva - case | LaFontaine p. 247 - a |
Oxyethira | Larva - hind leg lateral | Merritt p. 361 fig. 18.78 |
Oxytelus | Larva - right mandibles | Merritt p. 404 fig. 20.008 |