Cicada Mania

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December 17, 2014

Behold a molting Tibicen

Filed under: Tibicen — Tags: — by @ 5:48 am

Walter Abington sent us this series of photographs of a molting Tibicen cicada. I believe the cicada is a Tibicen pruinosus based on this guide to identifying teneral Tibicen.

A molting Tibicen

November 20, 2014

Magicicada cassini singing on hand

Filed under: Brood XIV,Magicicada,Roy Troutman,Sounds,Video — Tags: — by @ 8:48 am

From Roy Troutman: “I shot a video back in 1991 of a 17 year Magicicada cassini singing right on my hand.”

Magicicada cassini singing on hand from Roy Troutman.

The excavation skills of cicadas

Filed under: Cicada Anatomy,Magicicada,Roy Troutman — by @ 8:01 am

Cicadas spend most of their lives, as nymphs, underground. The large forelegs of cicada nymphs are adapted to digging through soil.

cicada foreleg
Image from The Periodical Cicada: An Account of Cicada Septendecim, Its Natural Enemies and the Means of Preventing Its Injury by C.L. Marlatt. 1898.

These videos demonstrate Magicicada nymphs digging through soil.

Magicicada nymph excavating tunnel by Roy

This magicicada nymph is excavating a make shift tunnel sandwiched between two pieces of plexiglass.:

Magicicada nymph excavating tunnel from Roy Troutman.

Magicicada nymph emerging from burrow by Roy

Magicicada nymph emerging from burrow from Roy Troutman.

White eyed magicicada by Roy Troutman

Here is a video of a rare white eyed magicicada. This is from a gene mutation that strepps the color from the cicadas eyes & also wings to some extent.

White eyed magicicada from Roy Troutman.

Watch a Tibicen nymph emerge from the ground

Filed under: Roy Troutman,Tibicen,Video — by @ 5:38 am

This video by Roy Troutman shows a Tibicen cicada nymph emerge from the ground.

Annual cicada nymph emerging from burrow. from Roy Troutman.

A Tibicen cicada breathing

Filed under: Cicada Anatomy,Roy Troutman,Tibicen,Video — by @ 5:31 am

Cicadas breathe through apertures along the side of their body called spiracles. This video of a Tibicen by Roy Troutman shows the opening and closing of a spiracle.

Adult Cicada breathing from Roy Troutman on Vimeo.

November 19, 2014

Which fungus attacks Magicicadas? Massospora cicadina

Filed under: Magicicada — by @ 8:32 pm

The fungus Massospora cicadina preys on Magicicadas cicadas. This is particularly interesting because the fungus is able to prey upon them in spite of their long 17 year life cycle (apparently fungi are not phased by prime numbers).

A photo by Roy Troutman from Brood XIV (2008):

Magicicada with fungus

Two photos by Dan Mozgai from Brood II (2013):

Male Magicicada septendecim infected with Massospora cicadina fungus

Magicicada septendecim with Massosporan fungus found at the Edison Memorial Tower Park in Edison NJ

Magicicada fungus (massospora cicadina)

magicicada fungus (massospora cicadina) from Roy Troutman.

Magicicada cassini calls, chorusing & responses to finger snaps

Filed under: Brood II,Magicicada,Periodical,Sounds,Video — Tags: — by @ 8:00 am

During the Brood II emergence in 2013, Elias Bonaros, Roy Troutman and I spent some time experimenting with coercing male Magicicada to call in response to finger snaps, which mimic the snap of a female cicada’s wings. This trick works fairly well with Magicicada, and can quickly be mastered once you work out the timing. Fingers, wall switches, and the zoom button on my Sony video camera do a good job at mimicking the snap of a females wings.

Magicicada cassini responding to fingersnaps

Magicicada cassini responding to fingersnaps.

I also recorded their calls in terms of decibels to see just how loud they could get. They can get very loud, but not as loud as a rock concert (see this db chart).

Magicicada cassini calling at 109db in Colonia NJ

Magicicada cassini calling at 109db in Colonia NJ.

Magicicada cassini chorusing center peaking at 85db

Magicicada cassini chorusing center peaking at 85db.

Video of Magicicada septendecula from Brood II

Filed under: Brood II,Magicicada,Ovipositing,Periodical,Video — Tags: — by @ 7:45 am

Here are two videos of Magicicada septendecula from Brood II.

Female Magicicada septendecula

Magicicada septendecula.

A female Magicicada septendecula ovipositing

A female Magicicada septendecula ovipositing.

November 2, 2014

Brood IV, the Kansan brood, will emerge in 2015

Filed under: Brood IV,Magicicada,Periodical — by @ 1:06 pm

Brood IV, the Kansan brood, will emerge in Texas, Oklahoma, Missouri, Kansas, Nebraska, and Iowa, in the spring of 2015.

The cicada species that will emerge are Magicicada cassinii (Fisher, 1852), Magicicada septendecim (Linnaeus, 1758), and Magicicada septendecula Alexander and Moore, 1962. These periodical cicadas have a 17-year life cycle. The last time they emerged was 1998.

More to come as we get closer to the spring.

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