Of Prairie Wildflowers and Wily Weevils

“If I had my way, I’d remove January from the calendar altogether and have an extra July instead.” –Roald Dahl

We need…rain. I keep looking to the skies for any sign of it. No luck.

What we will see on Wednesday is the full “Super Buck Moon” , sometimes called the “Thunder Moon”. On Monday, not quite at peak, it was still stunning.

Almost to full moon over Crosby’s backyard prairie, Glen Ellyn, IL.

Despite the lack of rain, the prairie pours out flowers.

Leadplant (Amorpha canescens) and prairie cinquefoil (Drymocallis arguta), Schulenberg Prairie, Lisle, IL.

Acre after acre of wildflowers.

Leadplant (Amorpha canescens), prairie dock (Silphium terebinthinaceum), new jersey tea (Ceanothus americanus) and other prairie species, Schulenberg Prairie, Lisle, IL.

Not all is going smoothly in the grasslands, however. This is the season of the wonderful, wild, and wicked weevils. Two of the prairie’s evil weevils merit special attention: the sunflower head-clipping weevil and the wild indigo weevil. Let’s turn our attention first to the sunflower head-clipping weevil.

Compass plant (Silphium laciniatum), Schulenberg Prairie, Lisle, IL. (2020)

Looks innocent, doesn’t it? Then —see that compass plant with its flowerhead chopped off? 

Compass plant (Silphium laciniatum), Schulenberg Prairie, Lisle, IL.

That’s a signature weevil move. How about that prairie dock bloom? Or…was in bloom.

Prairie dock (Silphium terebinthinaceum), Schulenberg Prairie, Lisle, IL.

Yup, the wily weevil was at work again.  Sometimes known by its nickname, “the head clipping weevil,” its scientific name is almost-almost!–unpronounceable: Haplorhynchites aeneus. Our wicked weevil is black, and about ⅓ inches long with a long, curved schnoz. Rather than knifing through the flower itself, the weevil severs the stem below the flower head. After the weevil applies the guillotine and girdles the flower’s peduncles (try saying that fast three times), the resiny sap of the compass plant bubbles to the surface and glistens in the sunshine. You can see the resiny sap on the plants in the winter, too, but it’s more crystalized.

Compass plant (Silphium laciniatum), Belmont Prairie, Downers Grove, IL (November 2021)

Now, swipe your finger over that sticky sap, and you’ll get a taste of Native American chewing gum. Note: Don’t get the resinous sap in your hair. If you do, you’ll star in a completely different kind of episode of “Chopped.”

White wild indigo (Baptisia alba) and brown-belted bumblebee (Bombus griseocollis), Schulenberg Prairie, Lisle, IL.

The sunflower head-clipping weevil is only one of many weevils on the prairie. The wild indigo weevil (Trichapion rostrum) is in the Family Brentidae, a group of straight-snouted weevils. This family is currently in flux—entomologists still haven’t decided who exactly is in it (#entomologicaldilemmas). This is a hungry, hungry weevil, which we find in the fall inside pods of white wild indigo. At only a quarter of an inch, the wild indigo weevil is (wait for it) the “lesser of two weevils.” (Da-da-dum).

Wild indigo weevils at work on white wild indigo seed pods, Schulenberg Prairie, Lisle, IL. (2021)

Weevils have many devoted fans. There are weevil blogs, weevils websites, and weevil specialists. You could say that weevils are some of the stars of the insect world! I’m glad they specialize. Imagine if they cut the flower heads off of all prairie flowers. Yikes!

Prairie milkweed (Asclepias sullivanti), Schulenberg Prairie, Lisle, IL.

It’s bad enough they attack some of the sunflowers and some of the coneflowers. Destructive? Yup. Fascinating? Absolutely. Perhaps the most famous weevil is the Boll Weevil (Anthonomus grandis), featured in Elvis Presley’s song, “Little Sister.” Rock on, weevils! But leave some of the other prairie wildflowers to the bees and other insects, okay? 

Butterfly milkweed (Asclepias tuberosa), Schulenberg Prairie, Lisle, IL.

Who knows what other intriguing insects you’ll find in the tallgrass this week?

12-spotted skimmer (Libellula pulchella), Schulenberg Prairie, Lisle, IL.

Wildflowers, too.

Illinois tick trefoil (Desmodium illinoense), Schulenberg Prairie, Lisle, IL.

Why not go for a hike and see what you discover?

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The opening quote is by Roald Dahl (1916-1990), a British spy, fighter pilot, and the author of James and the Giant Peach, Charlie and the Chocolate Factory, Matilda, and Chitty Chitty Bang Bang.

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Join Cindy for a class or program this week!

Last call for Beginning Dragonfly and Damselfly ID offered as a blended class through The Morton Arboretum in Lisle, IL! Join Cindy on Zoom Thursday for an introduction to the fascinating world of dragonflies and damselflies. Then, meet your class on the prairie to discover some of these beautiful flying insects. Register here.

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Thanks to Teri P. for the Elvis Presley reference, and to the following sources on weevils: The Smithsonian online, the Chicago Botanic Garden (great blog post! check it out), North Carolina State extension, Wikipedia, and the Kansas State Extension, and many prairie mentors over the years who loved the “lesser of two weevils” pun, and shared it with me. I laughed every time.

10 Reasons to Hike the July Prairie

“Stuff your eyes with wonder. Live as if you would drop dead in ten seconds. See the world.” — Ray Bradbury

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Hot. Humid. Did I mention, it’s hot?

So many reasons to stay inside with the air conditioning on, preferably while sipping a cold beverage.

And yet.  This is one of the most beautiful months on the tallgrass prairie. A new wildflower species seems to open—in vivid technicolor—every day.  Monarchs float like magnets toward milkweed. Tiny Halloween pennant dragonflies dazzle in their dance with the grasses and sedges.

Big bluestem shoots up, over our heads now in the wetter places, ready to unfurl its turkeyfoot at any moment. Switchgrass shakes out her seedheads. Compass plants burst into their first sunshine blooms.

Prairie cinquefoil’s clusters of flowers appear as if by magic. Invisible, until bloom time.

Inhale the smell of crisp mountain mint; the tang of bee balm. Listen! Is that a common yellow throat, yo-yo-ing its summer song? July is passing. Don’t miss it!

Not convinced?  Here are 10 reasons to hike the prairie this week. Let the countdown begin.

#10. Hummingbird moths, such as this snowberry clearwing, zip from bee balm bloom to bee balm bloom.

#9. Rare plants, like this eastern prairie fringed orchid are no less beautiful for being just-past peak. Plus a bonus lady spotted beetle.

#8. Meadowhawk dragonflies. The Japanese haiku poet Basho wrote of the red Odonates: “Crimson pepper pod/add two wings/darting dragonfly.” Perfect.

#7. Michigan lilies. Enough said.

#6. Queen of the prairie, so pretty in royal pink (and smelling of roses!).

#5. Calico pennant dragonflies. This one’s a boy.

#4. Mountain mint in bloom. I can’t resist popping a leaf or two into my mouth. Bonus: a margined leatherwing beetle.

#3. July’s pop-up thunderstorms. The drama of being alone on the tallgrass prairie as one suddenly rolls in is a cheap adrenaline rush for the thrill seeker. Recommended action: Vamoose!

#2. Milkweed in bloom. Prairie milkweed…

…and butterflyweed, with a visiting monarch. Both native milkweeds are attractive to these famous flyers.

#1. Rattlesnake master: Silver spheres in the sunlight. So ethereal.

Ten reasons to put down your phone, close your laptop, and go discover what you can add to the above list on your prairie walk.

Ten good reasons to hike the prairie in July.

Ready? Let’s go.

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The quote that opens this post is from writer Ray Bradbury (1920-2012), born in Waukegon, IL, and best known for his dystopian novel Fahrenheit 451. He wrote many works of fiction, including the Illinois classic based loosely on his childhood, Dandelion Wine.

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All photos copyright Cindy Crosby (top to bottom): July at Kent Fuller Air Station Prairie, Glen View, IL; green bottle fly (Lucilia sericata) and Peck’s skipper (Polites peckius) on Illinois bundleflower (Desmanthus illinoensis), West Side prairie planting, The Morton Arboretum, Lisle, IL; female Halloween pennant dragonfly (Celithemis eponina) on a sedge, possibly Muhlenberg’s sedge? (Carex muehlenbergi), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; prairie cinquefoil (Drymocallis arguta), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; snowberry clearwing hummingbird moth (Hemaris diffinis) on bee balm (Monarda fistulosa), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; eastern prairie fringed orchid (Plantanthera leucophaea) with spotted lady beetle (Coleomegilla maculata), Illinois preserve; meadowhawk dragonfly (Sympetrum spp.) on purple coneflower (Echinacea purpurea), West Side field, The Morton Arboretum, Lisle, IL; Michigan lily ( Lilium michiganense) with purple prairie clover (Dalea purpurea) in the background, Schulenberg Prairie, The Morton Arboretum, Lisle, IL; queen of the prairie (Filipendula rubra), author’s backyard prairie patch, Glen Ellyn, IL; male calico pennant dragonfly (Celithemis elisa), on purple prairie clover (Dalea purpurea), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; margined leatherwing beetle (Chauliognathus marginatus) on common mountain mint (Pycnanthemum virginianum), West Side field, The Morton Arboretum, Lisle, IL; pop-up thunderstorm over the Schulenberg Prairie, The Morton Arboretum, Lisle, IL; prairie milkweed (Asclepias sullivantii) with a sprinkling of unknown ant species (Formicidae), Kent Fuller Air Station Prairie, Glen View, IL; butterflyweed (Asclepias tuberosa) with a monarch butterfly (Danaus plexippus) Kent Fuller Air Station Prairie, Glen View, IL; rattlesnake master (Eryngium yuccifolium), Schulenberg Prairie, The Morton Arboretum, Lisle, IL. Thanks to Benjamin Vogt for his reminder of queen of the prairie’s fragrance.

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Cindy’s Upcoming Speaking and Events:

August 2, 8-11:30 a.m., Prairie Ethnobotany: How People Have Used Prairie Plants Throughout History, The Morton Arboretum, Lisle, IL. Register here.

August 12, 7-8:30 p.m., Dragonflies and Damselflies: The Garden’s Frequent Flyers, Fox Valley Garden Club, Aurora, IL. Free and open to the Public. Details here.

August 19-22, 8-5 p.m. daily, National Association for Interpretation Certified Interpretive Guide Training, The Morton Arboretum, Lisle, IL. Register here.

August 29, 7-8:30 p.m., Summer Literary Series: Tallgrass Conversations: In Search of the Prairie Spirit. Hope aboard the Morton Arboretum’s tram and enjoy a cool beverage, then listen to Cindy talk about the “prairie spirit” on the beautiful Schulenberg Prairie, the fourth oldest prairie restoration in the world. Register here.

See more at http://www.cindycrosby.com

Much Ado About Milkweed

“A fallen blossom–returning to the bough, I thought…But no, a butterfly.”

–Arakida Moritake

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What’s all the fuss about milkweed?  Well…what’s not to love?

There’s butterfly milkweed’s day-glo orange. Grab your sunglasses.

Get a pop of prairie color—with a pollinator—from purple milkweed.

Enjoy the pretty-in-pink of prairie milkweed, sometimes called Sullivant’s milkweed.

In the fall, the milkweeds smoke silks into the autumn air, sending seeds aloft.

When the milkweed’s seeds are spent, the canoe-like seedpods are endless vehicles for creativity and imagination.

Other than the visual and tactile pleasure the blooms give us, our 19 native Illinois species of milkweed are a veritable Noah’s Ark for monarch butterflies. Although monarchs sip nectar from a variety of plants like the bee balm below, they lay their eggs only on milkweed.

When the monarch butterfly larvae (caterpillars) hatch, they munch on milkweed. Without the milkweeds, there would be no monarchs.

Scientists at Cornell University tell us to pair milkweeds with fall blooming, nectar-rich plants such as goldenrods. Why?  Goldenrod and other fall nectar plants provide food for the monarch butterfly’s epic migration to Mexico in the fall.  Evidently, goldenrod is an important life-giving flower for monarchs.

But it all begins with milkweed. Such a simple act of hope—to plant a flower.

After all, how often can we help save a species while, in the process, make the world more beautiful?

All photos copyright Cindy Crosby (top to bottom): butterfly milkweed (Asclepias tuberosa), Schulenberg Prairie, The Morton Arboretum, Lisle, IL;  purple milkweed (Asclepias purpurascens), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; prairie milkweed (Asclepias sullivantii),Schulenberg Prairie, The Morton Arboretum, Lisle, IL; milkweed silks, Schulenberg Prairie, The Morton Arboretum, Lisle, IL; milkweed pod with snow, East Side prairie planting, The Morton Arboretum, Lisle, IL; monarch on bee balm (Monarda fistulosa);  monarch caterpillar, Schulenberg Prairie, The Morton Arboretum, Lisle, IL;  monarch butterfly on goldenrod (Solidago canedensis), Schulenberg Prairie, The Morton Arboretum, Lisle, IL;  common milkweed, (Asclepias syriaca) with false sunflowers (Heliopsis helianthoides), Nachusa Grasslands, The Nature Conservancy, Franklin Grove, IL.

Arakida Moritake (1473-1549), whose words begins this essay, was a Japanese poet who wrote about the natural world.