Bionomics and Taxonomy of Leafhopper Sophonia orientalis (Homoptera: Cicadellidae), a Pacific Pest Species in the Macaronesian Archipelagos
2007
Abstract The leafhopper Sophonia orientalis (Matsumura) (Homoptera: Cicadellidae) is native to Asia, but it has been recently introduced to the Hawaii Archipelago, CA and French Polynesia. Although this extremely polyphagous species is considered to be a threat to all native plants of Hawaii and to many economically important cropping cultures, its taxonomy remains obscure. Most literature referred to this species as Sophonia rufofascia (Kuoh & Kuoh), but recently it has been shown that previous records of this species correspond to S. orientalis. In this study, S. orientalis is recorded from northeastern Atlantic archipelagos of Madeira and Canaries, with the first collection made in 2000 representing the first record of this species for Macaronesia. Diagnosis of the species together with information on the karyotype and structure of testes and ovaries is given. The number of chromosomes is 2n = 16+X0 (males) and 2n = 16+XX (females), and each testis and ovary is composed of six follicles and six ovariol...
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