| Summary: | 碩士 === 國立臺灣大學 === 昆蟲學研究所 === 94 === The fauna of Dialeurodes sensu lato from Taiwan previously included 27 species, 17 of which are endemic in Taiwan. In this study, 498 records of field collections from August 2004 to May 2006, and 2260 slide-mounted specimens were checked. Based on these materials, 28 species in 8 genera related to Dialeurodes were determined in Taiwan. These include 1 new record of the genus Dialeurolonga Dozier, 1 new species of Singhiella melanolepis Chen and Ko, and 4 new combinations of Dialeurolonga shintenensis (Takahashi) n. comb, Gigaleurodes alocasia (Ko) n. comb., Rabdostigma lithocarpi (Takahashi) n. comb., and Rabdostigma minahassai (Martin) n. comb. In the morphological study, the puparium and adult stage of the materials were described. Among them, puparia of 18 species and adults of 19 species are illustrated in detail. The phylogenetic analysis was carried out with puparium morphology and molecular data. Two molecular fragment of 16S rDNA and COI DNA were amplified in order to sequence and compare these 18 species. In the morphological study, all puparia and adults of 19 species are described, and puparium characteristics were transformed into a matrix. Phylogenetic trees based on morphological and molecular data were constructed to determine the phylogenetic relationships of Dialeurodes and related genera from Taiwan. In summary, the Dialeurodes group is not a monophyly, and the adult morphology supported this inference. Furthermore, a key is provided for identifying the adults of 19 species of the Dialeurodes group, and a checklist of Dialeurodes sensu lato from Taiwan is provided.
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