NO. 026
Bees & wasps
Giant ichneumon wasp
Long egg-laying tube
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NO. 031
Illustration · not shown at life size
Illustration · not shown at life sizeOther insects / Insect
Eastern dobsonfly
Corydalus cornutus
A male dobsonfly has enormous curved jaws. Its young live in flowing water.
Let’s look closerLittle clues
Three things to notice.
Male has huge curved jaws.
Large, finely veined wings.
Young live in flowing water.
Out in the world
Where to look.
Around southeastern Wisconsin
River corridors and lights at night.
When to look
Summer nights, sometimes near lights along rivers.
Look closely. Leave your tiny neighbor where you found it.
A closer look
One clue is just the start.
The male has the huge jaws shown in many pictures. Females have shorter jaws, and the young look very different.
A special find can be hard to spot without being biologically rare. Encounters depend on season and habitat.
Keep exploring
Meet the neighbors.
For curious grownups, too
Read a little further.
Original summaries, with references for deeper reading. Field notes are being checked against the supplied research.
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Artwork & downloads.
Drag a PNG image into xTool Studio, or use its download button. Images use the full-resolution files.
Relief depth PNG — prototype
Matches this front · dark lettering 0.5 mm, outline 0.1 mm at 1 mm maximum
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Front artwork is made for a 3-inch clear disc. Revised artwork still needs a physical check. Disc backs are blank; use the single carrier QR from the print studio to open the field guide.
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