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Photo#200696
Diceroprocta sp - Diceroprocta apache

Diceroprocta sp - Diceroprocta apache
Pima Canyon, Santa Catalina Mts, Pima County, Arizona, USA
July 9, 2008
Would someone know whether this is D. cinctifera or semitincta?

Moved

Moved
Moved from Diceroprocta.

Diceroprocta apache
I agree with Gerry on this one!

Although the Genus Diceroprocta needs work, the current classification status of the cicada in this image would be Diceroprocta apache.

 
Always good
to have confirmation - thanks Bill.

Diceroprocta apache
I have been researching the differences between the three most common species of Diceroprocta to be found in Arizona and I found a paper published by William T. Davis in 1928 that describes all three.

All three species have triangular shaped opercula in males extending about half-way the distance of the underside of the abdomen.

W.T. Davis writes:

Diceroprocta cinctifera
Opercula with the outer edges nearly parallel to each other; 8th segment and middle base of tergum pruinose. Collar and costal margin of fore wing usually bright orange in color.

Diceroprocta apache
Hind margin of pronotum or collar yellowish, or straw colored; eyes reddish and membranes at base of both pair of wings pale; often straw-colored. Pubescence at base of abdomen golden.

Diceroprocta semicincta
Hind margin of pronotum or collar with anerior portion blackish and posterior portion pale. Eighth segmen pruinose, and pubescence at base of abdomen silvery. Eyes darker than in apache (not redish in dried specimens), and membranes at base of all wings darker gray. Usually smaller than apache and with opercula more extended at tips.

I would also like to add that based on my personal observations of several examples that I have in my collection is that D. apache differs from D. semicinta in the following ways.

D. apache

Has a thin line of black that bisects the anterior portions of the pronotal collar with the posterior portion being orange or straw colored.

D. semicincta

Has an all straw or bone colored pronotal collar with no bisection of black in the anterior portions. D. semicincta maculations (patterns of reds and browns) on the mesonotum are less prominent than in D. apache.

So with all the above, this image keys to D. apache.

 
Looks &
sounds convincing to me - thank you Gerry.

Moved

Diceroprocta?
According to www.bugs.nau.edu/Homoptera/azhomoptera.htm it isn't either D. cinctifera or D. semicinta [note spelling]. Of the two, cinctifera is more probable because it has the narrow yellow rims on the pronotum; but the base of the abdomen should have a large, white patch like the one at the tip.

 
Thanks for
the input Andy. If not either Diceroprocta, then what else might it be?

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