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Encyclopedia > Brood XIII

Brood XIII (also known as Brood 13 or Northern Illinois Brood) is one of 15 separate broods of periodical cicadas that appear regularly throughout the midwestern United States. Every 17 years, Brood XIII tunnels en masse to the surface of the ground, lays eggs, and then dies off in several weeks. Species See text Magicicada is the genus of the 13- and 17- year periodical cicadas of eastern North America. ... In most birds and reptiles, an egg (Latin ovum) is the zygote, resulting from fertilization of the ovum. ...


Although entomologist C. L. Marlatt published an account in 1907 in which he argued for the existence of 30 broods, over the years a number have been consolidated and only 15 are recognized today as being distinct. [1] Brood XIII is among the 12 different broods with 17-year cycles. 1907 (MCMVII) was a common year starting on Tuesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Wednesday of the 13-day-slower Julian calendar). ...


Its most recent appearance was in the spring and early summer of 1990 throughout an area roughly enclosed by northern Illinois, eastern Iowa, southern Wisconsin, and a narrow strip of Indiana bordering Lake Michigan and Michigan. The next three appearances will be in 2007, 2024 and 2041. [2] [3] MCMXC redirects here; for the Enigma album, see MCMXC a. ... Official language(s) English[1] Capital Springfield Largest city Chicago Largest metro area Chicago Area  Ranked 25th  - Total 57,918 sq mi (149,998 km²)  - Width 210 miles (340 km)  - Length 390 miles (629 km)  - % water 4. ... This article is about the U.S. State. ... Official language(s) None Capital Madison Largest city Milwaukee Area  Ranked 23rd  - Total 65,498 sq mi (169,790 km²)  - Width 260 miles (420 km)  - Length 310 miles (500 km)  - % water 17  - Latitude 42°30N to 47°3N  - Longitude 86°49W to 92°54W Population  Ranked... Official language(s) English Capital Indianapolis Largest city Indianapolis Area  Ranked 38th  - Total 36,418 sq mi (94,321 km²)  - Width 140 miles (225 km)  - Length 270 miles (435 km)  - % water 1. ... Lake Michigan is one of the five Great Lakes of North America, and the only one in the group located entirely within the United States. ... Official language(s) None (English, de-facto) Capital Lansing Largest city Detroit Area  Ranked 11th  - Total 97,990 sq mi (253,793 km²)  - Width 239 miles (385 km)  - Length 491 miles (790 km)  - % water 41. ... 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the CE era. ...


"The 1 1/2 inch long black bugs don't sting or bite. Once they emerge, they spend their short two-week lives climbing trees, shedding their crunchy skins and reproducing. They can number up to several hundred thousand per acre." [4]

Contents

Ravinia

In the northern Chicago suburb of Highland Park, there is concern about how the cicadas might drown out the music at the Ravinia Festival during May and June, the peak months of cicada activity. According to the Chicago Tribune, Ravinia will adjust the schedule so that Chicago Symphony Orchestra (CSO) concerts will take place in July, after the outbreak in 2007. Other concerts before this time might be moved indoors if it is felt that the noise of the cicadas will detract from the music. However, the dates of all concerts, except those for the CSO, will take place as scheduled. [5] Nickname: Motto: Urbs In Horto (Latin: City in a Garden), I Will Location in Chicagoland and Illinois Coordinates: Country United States State Illinois County Cook & DuPage Incorporated March 4, 1837 Government  - Mayor Richard M. Daley (D) Area  - City  234. ... Incorporated City in 1869. ... Ravinia Park is a private park in Highland Park, Illinois that is best known as the site of the Ravinia Festival, a series of outdoor concerts held every summer from June to September. ... // The Chicago Tribune is a major daily newspaper based in Chicago, Illinois and owned by the Tribune Company. ... The Chicago Symphony Orchestra, based in Chicago, Illinois, is one of the leading orchestras in the world. ...


See also

Species See text. ...

Bibliography

  • More, Thomas, Singing Insects of North America, University of Florida map
  • Post, Susan L. The Trill of a Life Time, photographs by Michael R. Jeffords, The Illinois Steward, Spring 2004. [6]
  • Stannard, Jr., Lewis. The Distribution of Periodical Cicadas in Illinois, 1975.

External Links

  • Cicada Mania [7]
  • More, Thomas, Singing Insects of North America, University of Florida map
  • Post, Susan L. The Trill of a Life Time, photographs by Michael R. Jeffords, The Illinois Steward, Spring 2004. [8]
  • "Ravinia Surrenders to Cicadas", Chicago Tribune", May 13, 2007 [9]
  • "Ravinia Taking Concerts Indoors Due to Cicadas" CBS2Chicago, March 13, 2007. [10]
  • Siegel, Robert, "Cicadas' Return Worries Festival Organizer", All Things Considered, National Public Radio, March 14, 2007. Report on possible sound conflicts between the cicadas and concerts at Ravinia. Interview with Welz Kauffman, CEO of Ravinia. [11]

 
 

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