Özet:

The genus Platyscelio Kieffer (Hymenoptera: Platygastridae, Scelioninae) is a widespread group in the Old World, found from West Africa to northern Queensland, Australia. The species concepts are revised and a key to world species is presented. The genus is comprised of 6 species, including 2 known species which are redescribed: Platyscelio africanus Risbec (Benin, Cameroon, Central African Republic, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Mozambique, Nigeria, Sierra Leone, South Africa, Tanzania, Togo, Uganda, Yemen, Zimbabwe); and Platyscelio pulchricornis Kieffer (Australia, Bangladesh, China, India, Indonesia, Japan, Malaysia, Papua New Guinea, Philippines, Solomon Islands, Taiwan, Thailand, Vanuatu, Vietnam). Five species-group names are considered to be junior synonyms of Platyscelio pulchricornis: Platyscelio abnormis Crawford, syn. n., Platyscelio dunensis Mukerjee, syn. n., Platyscelio mirabilis Dodd, syn. n., Platyscelio punctatus Kieffer, syn. n., and Platyscelio wilcoxi Fullaway. The following species are hypothesized and described as new taxa: Platyscelio arcuatus Taekul & Johnson, sp. n. (Western Australia); Platyscelio mysterium Taekul & Johnson, sp. n. (Zimbabwe, Botswana, South Africa); Platyscelio mzantsi Taekul & Johnson, sp. n. (South Africa); and Platyscelio striga Taekul & Johnson, sp. n. (Western Australia).

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