The newly designed LAMP assay is a simple, rapid and accurate method for identifying the B and Q biotypes. It can be conducted by non-specialists and can contribute to pest management.
Two new species of Rhagophthalmus Motschulsky, R. beigansis Ho sp. nov. and R. giallolateralus Ho sp. nov. collected in a vulnerable environment in two small islets of Matzu Archipelago, Lienchiang County are described and illustrated. This brings the total number of species in this genus to 35, and the number known from small off shore islets and islands to 10. Their importance to the conservation of such small and fragile island habitats is discussed.
The adult male, female and puparium of Singhiella melanolepis sp. nov. are described from Melanolepis multiglandulosa (Euphorbiaceae), together with scanning electron micrographs and figures. Comparisons are made between the puparium of this species and that of Singhiella elaeagni (Takahashi 1935), and remarks are provided on the genus Singhiella Sampson. After consideration of the diversity in adult structure among the species of Singhiella, it is suggested that this genus may be defined unsatisfactorily, and that more importance should be placed on adult morphology in whitefly taxonomy.
Adult and immature stages of a new whitefly species Dialeurodes swidi Ko are described and illustrated. It can be distinguished from other species by the abundant large tubercles scattered over its dorsum, each of them bearing a geminate pore. The biology, comparative notes and identification keys to puparia and adults of Dialeurodes species of Taiwan are provided.
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