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- Title
Ultrastructure of Prothoracic Pore Structures of Longhorn Beetles (Coleoptera: Cerambycidae, Cerambycinae) Native to Jilin, China.
- Authors
YAN LI; QINGFAN MENG; SWEENEY, JON; WENTAO GAO
- Abstract
In the longhorn beetle subfamily, Cerambycinae, the presence of pore fields on the prothorax of males has been shown to be associated with the production of sex or aggregation pheromones in several species. Adult specimens of nine Cerambycine species in the Tribe Clytini native to the Jilin province (Chlorophorus sexmaculatus (Kraatz), Chlorophorus sulcaticeps Pie, Chlorophorus motschulskyi (Gangl), Cyrtoclytus capra Germ ar, Plagionotus pulcher Blessig, Rhaphuma acutivittis (Kraatz), Xylotrechus clarinus Bates, Xylotrechus rusticus L., and Xylotrechus cuneipennis (Kraatz)) were examined for the presence and distribution of prothoracic pore fields, by using scanning electron microscopy. For all nine species examined, porous indentations were present on the pleura or both pleura and tergum of males and were absent on females. Porous indentations on the prothorax of males varied significantly among species in both mean density (1.4-7.8 pores per 100,000 μm² and diameter (2.0-16.5 μm). These results led us to hypothesize that males of these species emit sex or aggregation pheromones and that additional research to test this hypothesis and develop pheromone-based tools for their survey and monitoring is warranted.
- Subjects
CERAMBYCIDAE; BEETLES; PROTHORAX; PHEROMONES; SCANNING electron microscopy
- Publication
Annals of the Entomological Society of America, 2013, Vol 106, Issue 5, p637
- ISSN
0013-8746
- Publication type
Article
- DOI
10.1603/AN12102