On Photinia-associated Chrysozephyrus hairstreaks, with description of a new species (Lepidoptera: Theclinae: Theclini)

While plants in the Rosaceae have recently been recognized as important hosts for Chrysozephyrus, the most diverse genus within the tribe Theclini sensu Eliot (1974), hitherto Photinia has not been known as a larval host for this genus. An investigation of various Photinia species revealed 2 Chrysozephyrus species associated with this fairly diverse group of trees, namely C. shimizui Yoshino and an undescribed species. The new species is described herein, and information on the immature morphology and biology of both species is also provided The 2 Chrysozephyrus species occur sympatrically, but each is specialized in choice of microhabitat. The morphology of the immatures suggests that the 2 species do not form immediate sister groups to each other, thus their host usages might not be of a single origin.