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Entomology

Blog Posts

lightning bug glowing on a blade of grass
Read article: Shedding light on lightning bugs
Shedding light on lightning bugs
Are they “lightning bugs”? Or do you prefer “fireflies”? Either way, these living, glowing little lamps are an inimitable sign that summer is truly...
adult spotted lanternfly on tree-of-heaven
Read article: Here’s what to do if you find spotted lanternfly
Here’s what to do if you find spotted lanternfly
In a summer when many feel like they have been ambushed by cicadas, it’s easy to forget that the spotted lanternfly (Lycorma delicatula) has...
John Schepis headshot
Read article: Welcome, John Schepis!
Welcome, John Schepis!
The Pesticide Safety Education Program (PSEP) at the University of Illinois has recently expanded...
Magicicada sp. adult on tall grass Brood X
Read article: Periodical cicadas of brood XIII and brood XIX emerge at same time!
Periodical cicadas of brood XIII and brood XIX emerge at same time!
For the first time in 221 years, periodical cicada brood XIII and brood XIX will emerge at the same time! A periodical cicada emergence can be an...

News Releases

group out hiking
Adventures await in Naturalist Core Education program
LEWISTOWN, Ill. - University of Illinois Extension's Naturalist Core Education Training is designed for adults of any age who love to learn about the natural world. The goal of the program is not to teach people everything there is to know about the...
Aphid pests on the move in backyard gardens, agricultural fields
URBANA, Ill. – Ever spy small, yellow dots on the back of plant leaves during the summer months? Those tiny pear-shaped specks are aphids. Aphids are a common insect pest in the home landscape and for houseplants. There are many species of aphids in Illinois and they feed on a large...
A black and yellow cicada killer wasp stinging an annual cicada.
Cicada killer wasps in search of cicadas, not humans
URBANA, Ill. — The annual cicadas have begun to sing their song, and along with them comes the emergence of their natural predator, the cicada killer wasp. Despite their large size, these pollinating giants are not as threatening as they first seem. Annual cicadas, also...

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