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Species Diceroprocta cinctifera

cicada with two white rings - Diceroprocta cinctifera cicada - Diceroprocta cinctifera cicada unknown species - Diceroprocta cinctifera Cicada at TX mini-gathering - Diceroprocta cinctifera - male Diceroprocta ? - Diceroprocta cinctifera Diceroprocta ? - Diceroprocta cinctifera What Cicada? - Diceroprocta cinctifera
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Auchenorrhyncha (Free-living Hemipterans)
Superfamily Cicadoidea (Cicadas, Leafhoppers, and Treehoppers)
Family Cicadidae (Cicadas)
Subfamily Cicadinae
Genus Diceroprocta (Scrub Cicadas)
Species cinctifera (Diceroprocta cinctifera)
Synonyms and other taxonomic changes
described in 1892 by Uhler, who originally placed it in genus Cicada
Identification
broad white band across tip of abdomen is distinctive

Basic characters usu. include:
Eyes: Described as tan to reddish (rust-colored)
Body: Usually dark, often with some reddish-brown coloration visible
Pronotal Collar: VARIABLE (may be described as "bisected" with the anterior region being dark and the posterior region an orangish or ochreous color or the pronotal collar may appear entirely orangish or tan in some populations)
Mesonotum: Often dark with some evidence of reddish brown pattern (variable)
Abdomen: On many specimens identified as "cinctifera", there are usually 2 well defined pruinose features. One is a well developed pruinose ring on the terminal abdominal segments (also seen in apache and semicincta) coupled with a white band posterior to the cruciform elevation often clearly delineating the abdomen from the thorax (this trait has fallen into question & may not be diagnostic for this taxon??).
Opercula: Pointed with the points being subparallel or slightly divergent (NOT pointing inward as in semicincta) - Opercula with the outer edges nearly parallel to each other; 8th segment and middle base of tergum pruinose.
WINGS: costal margin of fore wing usually orangish to bright orange in color

NOTE: Some of the IMAGES under this taxon may be MISIDENTIFIED and in need of review!
Based on morphological characteristics, call similarities, and distribution patterns, the following three taxa appear to be closely related and easily confused.
Frequently confused.
Another species with a similar call
For details on cinctifera, apache & semicincta, please refer to the following:
Range
Specimens identified as D. cintifera have been placed across parts of the southwestern United States (incl. Texas, New Mexico & Arizona. However, most authenticated records place this species in Texas (per. comm.)

Most information suggests Diceroprocta cinctifera has a more eastern distribution than several related taxa (incl. D. apache & D. semicincta).

It is important to mention, given misidentifications and confusions regarding separation of similar taxa, the distributions of several of these western Diceroprocta species remains suspect and incomplete.
Habitat
riparian communities along Rio Grande River and its tributaries
Remarks
NOTE: IMAGES under this taxon may be MISIDENTIFIED and in need of review!
Based on morphological characteristics, call similarities, and distribution patterns, these three taxa appear to be closely related.
Frequently confused.
Another species with a similar call

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page creation based on Andy Hamilton's identification of this image

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Helpful hints from Gerry Bunker based on a Davis paper.
Researching the differences between the three most common species of Diceroprocta to be found in Arizona, 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 anterior 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.

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Additional info - much of it is in support of Gerry's observations:

I may well be wrong (and would like to know if I am), but here's a quick break down of basics as have been conveyed to me via. a couple cicada specialists

...and from my own observations (incl. call), I would not be shocked if 2 or more of these "currently distinct taxa" are in fact conspecific. Their morphological & audal similarities and distribution patterns may be clinal.

I believe the core of id problems for these species is rooted in misinterpretation of the older literature (incl. morphology, call and distribution). I question the wording & interpretation(s) myself.

Three taxa and lots of confusion.
Diceroprocta cintifera
*Diceroprocta apache
*Diceroprocta semicincta
*"Supposedly", based on collection efforts and records, these 2 taxa are more common in southeastern Arizona (per. comm.) - ?

All three are easily confused.
There has been some debate regarding several characters used for id - incl. but not limited to the following: coloration of the pronotal collar, whether the collar is solid or divided, opercula shape and pruinosity + the Question...How do these traits relate to these three taxa and across their ranges (esp. in areas of overlap).

Initially, my understanding was as follows:

"D. apache" specimens north of Tucson (Maricopa Co., AZ into Calif.)seem to have solid pronotal collars (as pictured) and "straight" or "non-convergent" pointed opercula (morphology and associated calls of specimens reviewed matched). In contrast, Cicadas identified (by several folks) as "D. apache" from Tucson & south of Tucson often have a bisected pronotal collar (anterior half is dark while the posterior half is light). Despite this difference, the opercular traits (being nonconvergent) and associated calls hold true.

"D. semicincta" (said to be the most common species in the immediate Tucson area) usu. has a solid colored pronotal collar (some debate??) and convergent opercula. Regarding apache and semicincta, several of the morphological traits can break down and may become ambiguous; unfortunately, deciding on differences between the two can be subject to interpretation. However, the pointed tips of the opercula in semicincta are convergent (the tips noticeably curve inward towards one another). Given the other variables, this character in opercula shape may be the "ONLY morphological constant" distinguishing semicincta from apache in areas of sympatry.

Important note - D. apache, semicincta and cinctifera DO NOT differ significantly from one another in call, if at all (in fact, it is not likely to distinguish these taxa based on call alone). The congruence in call has raised questions concerning their taxonomic relationship.

In areas of question, identification of specimens may require combining the morphological attributes, habitats, range and calls (id. of specimens associated with particular calls and habitats is strongly recommended).

Great site for audal recordings of western cicadas.
Dave & Kathy have done a wonderful job on this site and lots more to come incl. pictures and range maps!
See Also
Based on morphological characteristics, call similarities, and distribution patterns, these three taxa appear to be closely related.

Frequently confused.

Another species with a similar call