The monarch butterfly is Illinois' state insect and has held that distinction for 50 years — having been suggested for the honor by third grade classes in Decatur in 1975. But the butterfly is also in ...

Illinois butterfly identification programs have been popular among prairie walkers and flower gardeners. It is these delightful visitors of flowers or tree sap or — in some cases, dung and mud puddles ...

"Butterflies of Illinois: A Field Guide" contains descriptions, field photos, and life-size specimen photos of all Illinois butterfly species. It also includes identification quick guides, background ...

Out of the 136 species of butterflies’ populations studied, not a single one increased over the past 3 decades.

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Monarch butterflies remain a nostalgic sign of warmer days to many in the St. Louis region, but the important species is at risk. The monarch butterfly is considered to face the threat of extinction ...

SPRINGFIELD, Ill. (AP) — Butterfly experts say the insects' population is down after back-to-back years of bad weather, but they're holding out hope that the bugs' numbers may be rebounding. The State ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SPRINGFIELD, Ill. — Four state agencies have ...