About the Sycamore Borer Moth
Synanthedon resplendens, also known as the sycamore borer moth, is species of a clearwing moth native to western North America. Larva of this moth live under the bark of sycamore, ceanothus, coast live oak, and, on rare occasions, avocado trees. Sycamore hosts include California sycamore, Arizona sycamore, and American sycamore trees. Coast live oak is a confirmed host, but this moth likely uses many or most other western oaks as well.
The coloration of the adult moths mimics the coloration of a vespid wasp. Their movements may also be reminiscent of wasps, with "intermittent rapid running and fluttering of wings". Adults are mostly yellow with black markings on the thorax and abdomen. Sycamore borer moths typically have a brownish black or bluish black head and antennae, yellow palpi, and a yellow collar, with a blue-black thorax that has nearly parallel yellow lines on the sides.
This moth's wings are mostly transparent, with yellow- to orange-colored borders. The forewings have iridescent blue-black veins and yellow scales on the apical cells; the hindwings are completely transparent with brownish black fringes and inner yellow scales. The wingspan... Wikipedia →