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Reduviid - Heza similis - female

Reduviid - Heza similis - Female
Box Canyon, Santa Rita Mnts., Pima County, Arizona, USA
June 16, 2009

Heza similis Stal
Adult female. Specimen examined. New genus and species for BG.

This specimen has a plica on the mesopleuron, a character (essentially the only one in the literature) which separates this genus from Rocconota and the Central and South American Ricolla. In this particular species, the plica is small though still noticeable when examining the specimen. A few other characters, most notably the armature of the connexiva, help solidify the identification. This is the only species of the genus known from north of Mexico and the Neartic literature records for this species are few, scattered and unreliable given its resemblance to other harpactorine genera.

A special thanks to M. Brummermann for donating this specimen because it helped me realize that nearly all of the specimens of H. similis in the UMMZ are misidentified.

Moved from Rocconota.

wow -- what a treat! thanks, friends.
fam. page updated

I can absolutely see why you'd think that...
but this is a species of Rocconota. Now the interesting part is I'm not actually sure if this is annulicornis; it may be a mexican species. I'll do a little bit of reading on the genus and see if I can figure it out. In the meantime (and in the event that I can't give a species designation), you may move this beautiful image to the genus page, if you please.

Not annulicornis
I can see a number of differences. It's from an area were Mexican species are not uncommon

I just want to confirm the locality data. A search via GoogleEarth reveals a Box Canyon in both Pima and Santa Cruz County, close enough to be plausible for the specimen but far apart enough to make a difference for locality. Also if you have any more specific directions/locality or habitat information, it would be extremely helpful. Specimen is an adult female, 19 mm in length. I will have a species designation soon :)

*This is extremely insignificant but the slip of paper present with the specimen reported June 17. Just trying to keep the details straight.

About the date
I have the 17th on all my photos, so I may have made a mistake when I posted it. The location, though....The Box Canyon we were in passes through parts of both counties, just like the parallel Madera Canyon. We were coming from the Sonoita side (Santa Cruz) but we were already on the west side of the Santa Rita Mnts, definitely close to Pima Co. The road is a non-maintained dirt road, and frankly, while I remember exactly where I got the bug, I have no idea on which side of that border we were. There aren't any markers. The location was in the dry creek bed on herbs. The sides of the creek have big oaks and ashes.

Thank you very much!
That's all I can ask for.

Just checked the map
it's all Pima County. Thanks for noticing. I actually had it right in my own filing system on flickr

another Zelus, i suppose

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