Yellow-legged Paper Wasp (Vespidae) holding its abdomen up

I noticed this [b]Yellow-legged Paper Wasp[/b] ([i]Mischocyttarus flavitarsis[/i]) or kin in the family [i]Vespidae[/i], order [i]Hymenoptera[/i] trying to warm up in a sunny place in the garden this morning. It'

• ⇒Ambush Bug (Phymatidae, Hemiptera) takes a boxing pose!
• ⇒Bee Fly (Bombyliidae, Diptera) has fallen prey to a Crab Spider
• ⇒Paper Wasp butts-up in chrysalis of a Anise Swallowtail
• ⇒Paper Wasp is interested in dead chrysalis of Anise Swallowtail
• ⇒Handsome Assassin Bug (Reduviidae, Hemiptera), now grown up