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The adults have black antennae (longer on males) with a shiny bluish-black head, thorax, and fore-abdomen. On each side of the abdomen is a yellow spot (absent sometimes). Their black wings look blue in some light, hence the common name blue-winged wasps. Their bodies are fairly hairy and beyond the spots their abdomen appears more brownish with red hairs. The antennae, maxillary and labial palps are one-segmented. There is a slit-like silk gland on the labium. Adults measure 20 to 25 mm in length. Larva is a white, legless grub with a brown head.
Wildlife habitat yard. Several of these wasps were all over the guajillo, which was in bloom.
I couldn't seem to get a photo of the whole wasp. They were always curled around the flowers, with their heads facing away.