Morphology and life-history characteristics of a new insect pest of the staghorn sumac and the smoketree: the pyralid moth Termioptycha bilineata(Lepidoptera, Pyralidae)
Author of the article:ZHAO Hong-Lin1 YU Guo-Yue2** WANG He3 YAOFeng-Shui1 FENG Shu-Kuai4 LIU Xi3
Author's Workplace：1. Daxing Forestry Protection Station of Beijing, Beijing 102600, China; 2. Institute of Plant and Environment Protection,Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China; 3. Forest Protection Station of Beijing,Beijing 100029, China; 4.Changping Bureau of Landscape and Forestry of Beijing, Beijing 102200
Key Words：Termioptycha bilineata, Locastra muscosalis, morphology, predators, control
Abstract：This paper describes the morphology and life-history characteristics of adults, eggs, larvae and pupae of the pyralid moth Termioptycha bilineata, an important pest on the staghorn sumac (Rhus typhina Linn.) in Beijing, illustrated with color pictures (including those of the male genitalia). This species has 2 generations per year and overwinters as pupae in cocoons in soil. The beginning of eclosion is at the end May. The peak damage periods are from the end of June to last 10-days of July, and from the last ten days of August to the middle ten days of September. The pyralid moth also damages the smoketree (Cotinus coggygria Scop. var. cinerea Eng.) in a limited area. Its natural enemies include 2 predators; a ground beetle, Parena latecincta and the blackjacket wasp, Vespula flaviceps. A suggested chemical control of heavy infestations is spraying a 5 000×water solution of 20% diflubenzuron (SC) at the beginning of June.