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Metacanthus multispinus (Ashmead) - Metacanthus multispinus

Metacanthus multispinus (Ashmead) - Metacanthus multispinus
Dick Nichols District Park, Austin, Travis County, Texas, USA
July 31, 2009
Det. V. Belov, 2010

at UV lights

Metacanthus (=Aknisus) multispinus (Ashmead)
"Metacanthus (=Aknisus) multispinus (Ashmead), a new genus and species for BG, not Jalysus. I collected a few individuals during my trip in TX with the same green coloration and identified them as such. Metacanthus can be separated from Jalysus and Neoneides by the armed scutellum..."

Moved from Jalysus as suggested by Swanny -- hope he'll comment, too

Correction on my part...
While I still believe this to be M. multispinus, I have to amend what I told V when I first identified this image. It turns out that I misread my source since Jalysus CAN have a scutellar spine. However, my specimens and this image still show characters belonging to Metacanthus and the green coloring matches (or would have matched) the now yellowish specimens of Aknisus multispinus residing in UMMZ. This is compared, of course, to the brownish coloring found in most Jalysus. The main character that separates Metacanthus from Jalysus (both of which are placed in Metacanthinae) is the shape of the apex of the ostiolar process. Jalysus has a straight spiniform apex visible here while Metacanthus has a rounded but twisted apex, the outline of which is somewhat visible in this photo.

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