#### Discovery in Illinois – **Discoverer:** Four-year-old Jack Bailey from Wheaton, Illinois – **Location:** Bailey’s family yard – **Identification:** Female Brood XIII cicada, Magicicada cassini, identified by the Field Museum of Natural History in Chicago – **Significance:** First blue-eyed cicada seen by experts in Chicago
#### Rare Dual Emergence – **Brood XIII:** Emerges every 17 years, consists of three species – **Brood XIX:** Emerges every 13 years, consists of four species – **Historical Event:** First simultaneous emergence since 1803
#### Scientific Study – **Donation:** Jack and his mother Greta Bailey donated the cicada to the Field Museum – **Research:** Scientists will sequence its DNA to identify the genes responsible for the blue eye color, likely caused by a rare mutation
#### Expert Insights – **Jim Louderman:** Collections assistant at the Field Museum has witnessed multiple emergences but never a blue-eyed cicada – **Infertility:** Blue-eyed cicadas are always infertile, contributing to their rarity
#### Additional Sightings – **Orland Grassland:** Another blue-eyed cicada photographed in a forest preserve southwest of Chicago – **Rarity:** “One in a million” according to Gene Kritsky, professor of biology at Mount St. Joseph University – **Cicada Safari:** Only the second blue-eyed cicada image seen this year out of 40,000 photographs submitted
#### Emergence Conditions – **Temperature Trigger:** Cicadas emerge when soil temperatures reach 64°F (18°C) a few inches below the surface.
