Wasps (Hymenoptera, Apocrita)

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23 Apr 2025

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Discussion

DiBickers wrote:
4 hrs ago
This looks like Williamsita (Genus). See examples of similar below.

https://www.inaturalist.org/observations/200715008

https://www.inaturalist.org/observations/101319631

https://www.inaturalist.org/observations/105748742

Williamsita sp. (genus)
DiBickers wrote:
5 hrs ago
I’m not convinced this is Polistes erythrinus as it lacks the solid black first gastral segment and the abdominal black & red is markedly less distinct in colour separation. The supra-cIypeal plate does appear to be dark but it could also be the forward shadows in the photo. I might drop this one back to Genus-level for now.

Polistes sp. (genus)
DiBickers wrote:
8 hrs ago
Polistes erythrinus has a more distinct separation of black and red colouration on the abdomen with an entirely black first gastaral band (which this one doesn’t have). Polistes erythrinus also has a black supra-clypeal plate which would be difficult to confirm from this image.

Polistes sp. (genus)
DiBickers wrote:
8 hrs ago
Polistes humilis ssp. humilis

Polistes (Polistella) humilis
DiBickers wrote:
9 hrs ago
Polistes humilis ssp. humilis

Polistes (Polistella) humilis
812,927 sightings of 22,142 species from 13,887 members
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