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| Location | Subject | Photographer | Notes |
|---|---|---|---|
| Photo credit | Paper wasp on nest | Alex Wild | Mischocyttarus sp. |
| About | blue bee | Laurence Packer | Euglossa analis |
| About | Orchid | Hal Horwitz | Cypripedium pubes orchid, Thomisid crab spider |
| About | leaf | Getty Images | |
| About | black and yellow wasps | Fernando Noll | Brachygastra lecheguana |
| About | Wenzel portrait | Josh Franzos | |
| About | black wasps | Fernando Noll | Synoeca septentrionalis |
| Career Resume | Wenzel teaching | Fernando Noll | Brazilian workshop |
| Career Conemaugh Valley Conservancy | Mountain biker | Mike Cook | |
| Career Conemaugh Valley Conservancy | Volunteers collecting water sample | John Wenzel | |
| Career Conemaugh Valley Conservancy | Kayaker | Mike Cook | |
| Career Ecology | Wenzel and Chestnut | Andrea Kautz | American Chestnut Castanea dentata, Powdermill Nature Reserve |
| Career Phylogeny | Wasps and Bees | Alex Wild | |
| Career Journey Early Career | Wasps on nest | Alex Wild | Polisted exclamans |
| Career Journey Ohio State | Wenzel teaching | Stacy McNulty OSU archives | |
| Career Journey Carnegie Museum | forest stream | John Wenzel | Furnace Run, Powdermill Nature Reserve |
| Career Journey Foreign Experience | Wenzel with children | James M. Carpenter | Peru, 1990 |
| Research | Wenzel with mantis | Josh Franzos | |
| Research | Butterfly on orchid | Gary van Velsir | Papilio glauca and Platanthera dilatata |
| Plant list | Garden | Rick Schwab | |
| Tent Caterpillars | Silk tent | John Wenzel | Malacosoma americanum |
| Tent Caterpillars | Caterpillar on hand | Thomas Schultz, iNaturalist | Malacosoma americanum |
| Tent Caterpillars | marching caterpillars | Mike Dunn | Malacosoma americanum |
| Tent Caterpillars | Many tents | M. J. Raupp | Malacosoma americanum |
| Tent Caterpillars | Adult moth | University of Kentucky | Malacosoma americanum |
| Crooked trees | Old gnarly oak | www.myhomevitality.com/ | |
| Crooked trees | White oak habitus | Princeton University Press | Quercus alba |
| Crooked trees | Swamp chestnut oak habitus | Princeton University Press | Quercus michauxii |
| Crooked trees | Large black oak | John Wenzel | Quercus velutina |
| Crooked trees | Whorl of branches | www.ediblewildfood.com | Pinus strobus |
| Crooked trees | Straight, tall trunk | imagininglyme.org/ | Liriodendron tulipifere |
| Crooked trees | Tall straight sycamores | John Wenzel | Platanus occidentalis |
| Crooked trees | Straight, full and balanced sycamore | John Wenzel | Platanus occidentalis |
| Crooked trees | Old crooked sycamore | John Wenzel | Platanus occidentalis |
| Crooked trees | Bonsai: Shohin juniper, 2017 | bonsaitonight.com | Juniperus sp. |
| Bird and Dino development | Nestlings begging | kslnewsradio.com | |
| Bird and Dino development | Hatchlings in the nest | chirpforbirds.com | |
| Bird and Dino development | Duck and ducklings | humanesociety.org | |
| Bird and Dino development | Apatosaurus image | Wikipedia.org | |
| Bird and Dino development | Evolutionary tree with T. rex | Science.org/doi/10.1126/science.adc8714 | |
| Bird and Dino development | Robin with worms | friendslakeshorepreserve.com | |
| Invisible animals | Glass wing butterfly | wikimedia.org | Greta oto |
| Invisible animals | Glass catfish | meetthepet.com | Kryptopterus bicirrhis |
| Invisible animals | Glass frog | Science magazine doi: 10.1126/science.adg4251 | Hyalinobatrachium fleischmanni |
| Invisible animals | Plankton eyes | Science magazine doi: 10.1126/science.adf2062 | |
| Invisible animals | Clear wing butterfly | wikimedia.org | Greta oto |
| Maple provides a staple | colors of syrup | sciencemeetsfood.org | |
| Maple provides a staple | People placing bucket | John Wenzel | |
| Maple provides a staple | Collecting lines | onmaplesyrup.ca | |
| Maple provides a staple | Wood fired evaporator | vermontevaporator.com | |
| Maple provides a staple | Colored leaves | myperfectplants.com | |
| Winter streams are cool | Long ice crystals on water | John Wenzel | |
| Winter streams are cool | Snow and Ice on flowing stream | John Wenzel | |
| Winter streams are cool | Ice candles on twigs | John Wenzel | |
| Winter streams are cool | Long ice crystals on water | John Wenzel | |
| Winter streams are cool | Ice mantle over little waterfall | John Wenzel | |
| Early Agriculture | Archeolgist at ancient grave | S. Marciniak | |
| Early Agriculture | Skull with deformity in eye sockets | M. Carter, Illinois State Museum | |
| Early Agriculture | Skull with porous bone throughout | A. Chaichun et al., Anatomy and Cell Biology journal | |
| Early Agriculture | quinoa | cookingwithayeh.com | Chenopodium quinoa |
| Orchid Adaptive Cascade | Large corsage orchid | houseplantsexpert.com | Cattleya sp. |
| Orchid Adaptive Cascade | Yellow spray of flowers | www.gardenia.net | Oncidium sp. |
| Orchid Adaptive Cascade | Vanilla orchid | Amazon.com | Vanilla planifolia |
| Orchid Adaptive Cascade | Bee with pollinarium | cosmeticsandskin.com | Euglossa sp. |
| Orchid Adaptive Cascade | Parts of an orchid labelled | staugorchidsociety.org | |
| Orchid Adaptive Cascade | Bee inside orchid | mediastorehouse.com.au | Stanhopea sp. orchid Eulaema sp. bee |
| Orchid Adaptive Cascade | Colorful orchid bee | Gil Wizen | Euglossa hansoni |
| Orchid Adaptive Cascade | White spike of orchid flowers | /plants.ces.ncsu.edu | Spiranthes cernua |
| Orchid Adaptive Cascade | Paper models of orchids | northamericanorchidcenter.org | |
| Dogs smell well | |||
| Dogs smell well | |||
| Dogs smell well | |||
| Dogs smell well | |||
| Dogs smell well | |||
| Dogs smell well | |||
| Dogs smell well | |||
| Population bomb | Penguins | Photographer unknown | |
| Population bomb | Population curve | statistica.com | |
| Population bomb | Example exponential curves on arithmetic axis | John Wenzel | |
| Population bomb | r- and k- selected species | Benjamin Cummings | |
| Population bomb | Demographics of Mexico, Sweden, USA | Benjamin Cummings | |
| Population bomb | Future populations of leading nations | visualcapitalist.com | |
| Irrational Shoppers | Grocery store aisle | everydaycheapskate.com | |
| Irrational Shoppers | woman carrying grocery bag | etsy.com | |
| Irrational Shoppers | bicycle shop | thebusinessplanshop.com | |
| Irrational Shoppers | Train tunnel | exploregeorgia.org | |
| Irrational Shoppers | vintage Corvette sports car | cars-on-line.com | |
| Ants as Food | Horned lizard | Patrick Bearden, aneyefortexas | Phrynosoma, |
| Ants as Food | Ant anatomy | askabiologist.asu.edu | |
| Ants as Food | Jumping spiders | Yoshiaki Hashimoto et al, 2020 | www.nature.com/articles/s41598-020-75010-y#Sec2 |
| Ants as Food | Poison arrow frog | www.dreamstime.com | Dendrobates tinctorius |
| Ants as Food | Atta queens in a market | https://topadventure.com/ | Atta mexicana |
| Ants as Food | Honey pot ant | ants.com | Myrmecocystus mexicanus |
| Ants as Food | Commercial fabric showing Australian ants | indigoniche.com/ | "Women Digging For Honey Ants, Rust Aboriginal" |
| Mexican jumping beans | Seeds | Wikipedia | Sebastiana pavoniana |
| Mexican jumping beans | Plant with fruit | Stephen Hale, https://swbiodiversity.org/ | Sebastiana pavoniana |
| Mexican jumping beans | moth | www.mothidentification.com/ | Cydnia saltitans |
| Senses | Graphic of senses | ercare24.com | |
| Senses | Thermal mouse | www.wired.com | |
| Senses | Ghost knife fish | azgardens.com | Apteronotus albifrons |
| Senses | Mother with baby | babycenter.com | |
| Senses | Big Eyes child painting | Margaret Keane | |
| Silk | Man with spider | John Wenzel | Nephila |
| Silk | Spider web | Eugenen Kalencovich /SHUTTERSTOCK | |
| Silk | Mongol horseman | https://arstechnica.com/ | |
| Silk | Graphic of silk interlock | John Wenzel | |
| Silk | Cocoons in different colors | Mingbo Ma, Munir Hussain, Suozhuai Dong, Wenlong Zhou | Bombyx mori |
| Silk | Golden cape | https://www.theguardian.com/ David Levene | |
| Turkeys, game birds | Ruffed Grouse | https://statesymbolsusa.org/ | Bonasa umbellus |
| Turkeys, game birds | Turkey | Modern Farmer male – Mark Gun on Flickr | Meleagris gallopavo |
| Turkeys, game birds | Guinea fowl | https://www.chickensandmore.com/guinea-hen/ | Numida meleagris |
| Turkeys, game birds | Red Jungle Fowl | Wikipedia | Gallus gallus |
| Turkeys, game birds | Indian Peafowl, Golden Pheasant | Wikipedia, eBird | Pavo cristatus, ,Chrysolophus pictus |
| Frogs | Monkey frog | Worldlifewonders.com | Agalichnis |
| Frogs | Fossil Frog | Amy Henrici | Eorubeta |
| Frogs | Suriname Toad | oldbookillustrations.com | Pipa pipa |
| Frogs | Tree frog embryo | Richard P. Elinson,Eugenia M. del Pino | Eleuthrerodactylus |
| Frogs | Wood frog range | idahoherps.pbworks.com | Lithobates sylvaticus |
| Frogs | Marine toad | larvalsubjects.wordpress.com | Rhinella marina |
| Frogs | Flying frog | amphibianfact.com | Rhacophorus nigropalmatus |
| Woolly bears | Woolly bear on road | John Wenzel | Pyrrharctia isabella |
| Woolly bears | Woolly bears in the hand | John Wenzel | Pyrrharctia isabella |
| Woolly bears | Flock of birds | The Nature Conservancy | |
| Woolly bears | Punxatawney Phil | Reuters | |
| Bananas | Bananas in the market | vox.com | Musa acuminata cavendish |
| Bananas | Banana bunch | pinterest.com/pin/491385009344374398/ | Musa acuminata cavendish |
| Bananas | Banana stems | praneesthaikitchen.com | Musa sp. |
| Bananas | Three flower stalks | Ferrebeekeeper.com perennialpastimes.com gardenpalms.com | Musa acuminata, Heliconia bihai Strelitzia reginae |
| Bananas | Tubular, new leaf | ourhouseplants.com | Musa acuminata cavendish |
| Bananas | Traveler's Palm | allaboutpalmtrees.com | Ravenala madagascariensis |
| Goldenrod | Bee on goldenrod | insider.si.edu/2016/06/pollen/ | Apis melifera, Solidago canadensis |
| Goldenrod | Field of goldenrod | pics4learning.com/ | |
| Goldenrod | Comparison of ragweed and goldenrod blossoms | nny360.com/artsandlife/homeandgarden | Ambrosia artemisiifolia, Solidago canadensis |
| Goldenrod | Bee on goldenrod | insider.si.edu/2016/06/pollen/ | Apis melifera, Solidago canadensis |
| Goldenrod | Gall | friendsofthewildflowergarden.org | Eurosta solidagnis |
| Goldenrod | Goldenrod leafminer | Dick Root | Microrhopala vittata |
| Goldenrod | wreath goldenrod | John Wenzel | Solidago caesia |
| Pumpkins | Jack-o'-lantern | merriam-webster.com/ | |
| Pumpkins | Variety of pumpkins and squashes | John Wenzel | |
| Pumpkins | Squash flowers | https://vinesgardens.org/ | |
| Pumpkins | Giant pie | pumpkinnook.com/ | |
| Pumpkins | Giant pumpkin | John Wenzel | |
| Mountains River Fish | Fisherman in a mountain stream | https://highland-outdoors.com/backcountry-angling/ | |
| Mountains River Fish | Blue Ridge Mountains | https://www.ourstate.com/ | |
| Mountains River Fish | New River Gorge | National Park Service | |
| Mountains River Fish | Teays river drainage | GeoFacts #10, Ohio Department of Natural Resources | |
| Mountains River Fish | American Paddlefish | https://www.tennessean.com/ | Polyodon spathula |
| Geological Record | Cretaceous plants and animals | Rudolph Zallinger | Yale Peabody Museum of Natural History |
| Geological Record | Researchers digging fossils | Academy of Natural Sciences Philadelphia | https://ansp.org/get-involved/membership/dino-dig/ |
| Geological Record | Spring wildflowers | https://www.gardeningknowhow.com/ | |
| Geological Record | Stegosaurus and T.rex | Video game https://www.youtube.com/watch?v=iDU4hk5Ie60 | |
| Damsels and Dragons | Odonate with fish | Getty Images | |
| Damsels and Dragons | Fossil | www.geologypage.com | Meganeura |
| Damsels and Dragons | Dragonfly, Damselfly | https://education.mdc.mo.gov/ | Epitheca, Argia |
| Damsels and Dragons | Eye of dragonfly | https://discoveryeye.org/ | |
| Damsels and Dragons | Odonate with fish | Getty images | |
| Damsels and Dragons | Damselflies in copula | https://naturebackin.com/ | Argia |
| Baby talk | Baby facing camera | New York Times | |
| Baby talk | Mother with baby | www.westernfertility.com | |
| Baby talk | Father with toddler | Lego Foundation/Getty Images | |
| Baby talk | Grief, loss | Charles Darwin 1872 | |
| Baby talk | Pride and helplessness | Charles Darwin 1872 | |
| August First | Red tupelo leaves on branch | John Wenzel | Nyssa sylvatica |
| August First | Red tupelo leaves arranged on ground | John Wenzel | Nyssa sylvatica |
| August First | Swamp forest | National Park Service | Nyssa species and Taxodium distichum |
| August First | Virginia creeper vine on ground | John Wenzel | Parthenocissus quinquefolia |
| Fireflies | Featured image, display | Alex Wild | many species |
| Fireflies | larva glowing | Nevit Dilman | |
| Fireflies | Male Photinus on perch | Alex Wild | Photinus pyralis |
| Fireflies | Male in flight | Alex Wild | Photinus pyralis |
| Fireflies | Illustration of Display | James Lloyd | |
| Fireflies | Photuris female eating male of other species | James Lloyd | |
| Periodical Cicadas | Cicada laying eggs | Andrea Kautz | Magicicada septemdecim |
| Periodical Cicadas | Twig with egg laying scars | John Wenzel | |
| Periodical Cicadas | Oak tree with dying twigs | John Wenzel | Quercus rubrum |
| Periodical Cicadas | Same oak tree looking good | John Wenzel | Quercus rubrum |
| Otter River | Kayaks on the lawn | John Wenzel | |
| Otter River | Kayaks on the river | John Wenzel | |
| Otter River | Possible otter scat | John Wenzel | |
| Otter River | Whirligig beetles | https://uwm.edu/field-station/whirligig-beetle-redux/ | Coleoptera: Gyrinidae |
| Otter River | Whirligig beetle eyes | www.flicker.com | Coleoptera: Gyrinidae |
| Bamboozled | Shoot and older stems | John Wenzel | introduced |
| Bamboozled | Shoot dissected | John Wenzel | introduced |
| Bamboozled | Shoot dissected, close up | John Wenzel | introduced |
| Bamboozled | Bamboo shoot culinary dish | ||
| Locust trees and Low cost leaves | Dense, new green leaves | John Wenzel | Gleditsia triachanthos |
| Locust trees and Low cost leaves | Barren tree | John Wenzel | Robinia pseudoacacia |
| Locust trees and Low cost leaves | Dense, new green leaves | John Wenzel | Gledistia triachanthos |
| Locust trees and Low cost leaves | Leaf mines on leaflets | John Wenzel | Moth; Parectopa robiniella, Tre" Robinia pseudoacacia. |
| Locust trees and Low cost leaves | Spiny tree trunk | https://plants.ces.ncsu.edu/plants/gleditsia-triacanthos/ | Gledistia triachanthos |
| Why do we see colors? | Rainbow | freerangestock.com | |
| Why do we see colors? | Electromagnetic spectrum | https://www.once.lighting/visible-light-spectrum/ | |
| Why do we see colors? | Hunter | Mass.gov | |
| Why do we see colors? | Absorbance spectrum of water | https://chemistry.stackexchange.com/ | |
| Why do we see colors? | Prism and spectrum | Pink Floyd, Capitol Records | |
| Ivory-bills | Two taxidermy mounts | Florida Museum, University of Florida | Campephilus principalis |
| Ivory-bills | John Audubon painting | Courtesy of the John James Audubon Center at Mill Grove, Montgomery County Audubon Collection, and Zebra Publishing | |
| Ivory-bills | Locust borer beetle | www.cirrusimage.com/beetle_cerambycidae/ | Megacyllene robiniae |
| Spiders rarely seen | Several webs | John Wenzel | Linyphiidae |
| Spiders rarely seen | Close up of web | John Wenzel | |
| Spiders rarely seen | Spider under her web | https://ukrbin.com/show_image.php?imageid=88621 | |
| Herbalism | Hepatica with scarlet leaves | New York Botanical Garden https://www.nybg.org/blogs/plant-talk/2013/04/around-the-garden/hepatica-a-pretty-plant-deserving-of-a-prettier-name/ | Anemone americanum |
| Herbalism | Denticularia with broad green leaves | http://greenlightplants.com/index.php/plant_catalog/dentaria-cardamine-diphylla/ | Cardamine diphylla |
| Herbalism | Many flowers of Euphrasia | Roland Teuscher, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=41281 | Euphrasia alpina |
| Olives | Olives on wooden spoon | Food Specialties Trading LLC | Olea europaea https://internationaloliveoil.com/ |
| Olives | Olive plantation in Negev | myolivetree.com | https://www.myolivetree.com/plant-trees-desert/ |
| Olives | Amphorae on sea floor | Julien Seinturier | https://www.researchgate.net/publication/248386349 |
| Whether it's the Weather | Bird on branch | Eric P. Widing | Archilochus colubris, Ruby-throated Hummingbird, female |
| Whether it's the Weather | Spring beauty | virginiawildflowers.org/ | Claytonia caroliniana, or C. virginica |
| Whether it's the Weather | Trout lily | New York Botanical Garden | Erythronium sp. |
| Whether it's the Weather | Bird on branch | Eric P. Widing | Archilochus colubirs, Ruby-throated Hummingbird, female |
| Biophilia in our Genes | Woman on fallen tree | Tokyo Weekender | |
| Biophilia in our Genes | Bird watchers | New York Daily News | |
| Biophilia in our Genes | Mushroom hunter | John Wenzel | Laetiporus sulphureus |
| Manioc Rocks | Nigerian farmer and manioc tubers | CGIAR.org | Manihout esculenta |
| Manioc Rocks | Manioc press or squeezer | National Museum of the Native American | |
| Manioc Rocks | Pao-de-queijo bread | Hilahcooking.com | |
| Domestication of Animals | Doberman at attention | John Wenzel | |
| Domestication of Animals | Lascaux cave painting of aurochs | Wikipedia | |
| Domestication of Animals | Niches for pigeons at Oricourt castle, France | Janet M. Webb, https://sustainabilitea.wordpress.com/2014/09/09/oricourt-a-french-medieval-castle/ | |
| Domestication of Animals | Man feeding chickens | John Wenzel | Gallus gallus domesticus |
| Domestication of Animals | Spanish bull fighter and bull | China Daily http://www.chinadaily.com.cn/photo/2006-04/30/content_580977_3.htm | Bos taurus |
| Smilax | Stems, with prickles | John Wenzel | Smilax |
| Smilax | Wenzel, bloody face | Castilleja Fallon Olmstead | |
| Precision and Accuracy | Sundial | http://www.historyofwatch.com | |
| Precision and Accuracy | Collecting stream insects | John Wenzel | |
| Precision and Accuracy | Scarlet Tanagers | Luke DeGroote | Piranga olivacea |
| Clean Water Good Bugs | McCullen Run | John Wenzel | |
| Clean Water Good Bugs | Isonychia sp. | Andrea Kautz, Macroinvertebrates.org | |
| When Poison Meets Palate | Basket of peppers | John Wenzel | |
| When Poison Meets Palate | Nightshade flowers and fruits | https://www.minnesotawildflowers.info | Solanum dulcamara |
| When Poison Meets Palate | Painting of cassava | Albert Eckhout, lived 1610-1665 | Manihot esculenta |
| Legacy of Logging | Two oaks with double trunks | John Wenzel | Quercus rubra, Forbes State Forest |
| Legacy of Logging | Oaks with matching scars | John Wenzel | Quercus rubra, Powdermill Nature Reserve |
| Bark Art | Single gallery, detail | Andrea Kautz | Carya sp. |
| Bark Art | Two galleries | John Wenzel | Carya sp. |
| A Striking Success | Windows with bird-safe film | Ashley Cecil | |
| A Striking Success | Ashley Cecil and butterflies | Ashley Cecil | |
| A Striking Success | Jon Rice installing film | John Wenzel | |
| A Striking Success | Common Yellowthroat motif of the larger pattern | Ashley Cecil | Geothlypis trichas |
| Spirit of Research | Powdermill staff in field | John Wenzel | |
| Spirit of Research | INECOL students in stream | John Wenzel | |
| Spirit of Research | Univ. Pittsburgh students in research plot | John Wenzel | |
| Snow flakes and snow fleas | Hiker in woods | John Wenzel | |
| Snow flakes and snow fleas | Linn Run creek | Andrea Kautz | |
| Snow flakes and snow fleas | scorpion fly, or snow flea | Andrea Kautz | Genus Boreus, female |
| Cactuses and the spine of Appalachia | shale barren | Martha Oliver | |
| Cactuses and the spine of Appalachia | cactus flower | Andrea Kautz | Opuntia humifusa, Powdermill Nature Reserve |
| Boogie Woogie aphids | Aphids on beech tree branch | John Wenzel | Grylloprociphilus imbricator, Fagus grandifolia |
| Bob cats | bob cat | John Winkinson | Adult female, Powdermill Nature Reserve |
| Beauty and the Beast | fern glade | John Wenzel | Laurel Hill State Park |
| Beauty and the Beast | tied fern frond | John Wenzel | Herpetogramma caterpillar retreat |
| Woodlands in White | tree branches | John Wenzel | Powdermill Nature Reserve |
| Woodlands in White | tracks in snow | John Wenzel | Coyote, Canis latrans, Powdermill Nature Reserve |
| Lasius will Amaze-i-us | featured photo | Alex Wild | Lasius (Acanthomyops) |
| Lasius will Amaze-i-us | Lasius niger males | Donna W Wenzel | |
| Lasius will Amaze-i-us | Lasius claviger | Donna W Wenzel | |
| Honey bee hunting | Bird feeder with bees | Gary Ennis | |
| Honey bee hunting | Pollen balls | Jodi Gertz | |
