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Pattaya, common, 8-9mm

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Hello, Nikita!

At least I can say: Vespidae, Polistinae. More (hopefully) from the experts.

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agree! paper wasp. vespidae. Not so far from genus Polistes spp....

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?A difficulty: ?it would be said that there is a double contracting with the petiole (Eumenidae), but without the claws difficult to say Eumenidae(bifides) or simple Vespidae Polistinae!

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In Japan there are some very similar but not conspecific Polistes species, for example P. snelleni. See my Japan Wildlife gallery.

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I had not paid attention to the nest, forgiveness! ?
?Thank you Jorge! ?

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"Wasps of the cosmopolitan genus Polistes are the most familiar of the polistine wasps, and are the most common type of paper wasp. It is also the single largest genus within the family Vespidae, with over 300 recognized species and subspecies." Wikipedia
There are other genera it seems.Try the authors of
Keys to the genera of social wasps of South-East Asia (Hymenoptera: Vespidae)
James M. CARPENTER (Division of Invertebrate Zoology, American Museum of Natural History, New York), USA Lien Phuong Thi NGUYEN Institute of Ecology and Biological Resources, Nghia Do, Tu Liem, Hanoi, Vietnam 2003 Entomological Science Volume 6, Issue 3, Page 183-192.
http://www.blackw...03.00016.x

Robert

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Thank you All!
Nikita