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Photo#400741
newly emerged cicada in forest - Magicicada

newly emerged cicada in forest - Magicicada
Woodthrush Woods State Preserve, Fairfield, Jefferson County, Iowa, USA
May 25, 2010
Size: ~3 cm BL
Immobile individual on upper surface of plant leaf in forest undergrowth. This one appeared very robust, but a second individual found a meter away on the underside of a plant leaf had died while emerging from its exuviae.

Images of this individual: tag all
newly emerged cicada in forest - Magicicada newly emerged cicada in forest - Magicicada

Magicicada in Des Moines
I'm observing an apparently small emergence in Des Moines, IA, north of the Raccoon River and Water Works Park. Yesterday's critters keyed out from www.magicicada.org as one of the -decim species, either neotredecim or septendecim, but the song I heard was more like a third species: a rapid rise in pitch and volume, and an abrupt end. It had a light orange area between eyes and forewing bases, best seen from below, and the ventral abdominal segments had distinct, dull orange banding.

Today's are a different species, it seems: black abdominal undersides, no orange between eyes and wingbases.

QUESTION: If these are four years ahead of schedule, wouldn't these be Brood III (2014) emergences? What might make the 2015 cohort - ahead by five years - more likely?

I like the interactive map feature at www.magicicada.org and encourage others to submit reports so that these show up on the map.

 
We think the suggestion was
referring to a 13 year brood, so 1 year early on 2011 not five years early on 2015.

 
More info on Des Moines emergence
For three days now the songs have matched M. tredecassini. Is this species known in Iowa? Is it known from Brood XIX?

Also, yesterday's and todays insects have black dorsal abdominal segments, unlike Wednesday's. But only the one song has been heard. There is also a report of emergences in Dallas County along the Raccoon River, southwest of Minburn. I can't speak to the songs or morphology.

 
See Leland's posting
...related to his above comments:

Moved
Moved from Cicadas. Black body, orange eyes, orange wing veins per BG Info Tab.

Are you expecting
Magicicada this year?

 
2014 - 4 = 2010
Not knowing anything about the subject, I perused the internet and came up with some snippets...The Magicicada website states that Brood III (a.k.a. "the Iowan Brood") is expected in 2014, but it also notes that "among 17-year cicadas, straggling seems particularly common 1 or 4 years before or after an expected emergence". So perhaps my specimen is one of the "4 years early" subgroup of Brood III (2014 - 4 = 2010).

 
Magicicada
They seem likely to me to be advance strays of brood XIX, which last appeared in southeast Iowa in 1998. Their anticipated year would be 2011 -- 13 years. That would be my guess...

 
article
Thanks, Rich! You also alerted me to a 1998 article by Don Lewis of ISU Extension that I am now referencing here. (For geographic reference, Jefferson County on the map in that article is the fourth (from west to east) of the five counties labeled as "Brood XIX - no reports in 1985".)

 
early in Jasper County as well
We got our first look at these cicadas emerging in east-central Jasper County today at the Grinnell College Conard Environmental Research Area. Are there any particular observations/notes we should record?

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