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Encarsia or Encarsiella ? – redefining generic limits based on morphological and molecular evidence (Hymenoptera, Aphelinidae)
Author(s) -
SCHMIDT STEFAN,
POLASZEK ANDREW
Publication year - 2007
Publication title -
systematic entomology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 66
eISSN - 1365-3113
pISSN - 0307-6970
DOI - 10.1111/j.1365-3113.2006.00364.x
Subject(s) - biology , aphelinidae , hymenoptera , botany , genus , zoology , parasitoid
The genus Encarsiella ( syn.n. ) (Hymenoptera, Chalcidoidea, Aphelinidae) is synonymized with Encarsia on the basis of molecular and morphological characters. A phylogenetic analysis was conducted of the D2 expansion region of the 28S ribosomal DNA including thirty‐eight Encarsia species. Our phylogenetic analysis revealed a polyphyletic origin of Encarsiella and confirmed the results of earlier analyses indicating the paraphyly of Encarsia . Four species are described as new ( Encarsia bifasciata sp.n. , E. caelata sp.n. , E. obliqua sp.n. and E. pilosa sp.n. ). The following species are transferred from Encarsiella to Encarsia : Encarsia aleurodici (Girault, 1916) comb.n. , E. amabilis (Huang & Polaszek, 1998) comb.n. , E. boswelli (Girault, 1915) comb.n. , E. magniclava (Girault, 1915) comb.n. , E. narroi Gómez & García comb.n. , E. nepalensis (Polaszek & Hayat, 1992) comb.n. , E. noyesi (Hayat, 1983) comb.n. , E. pithecura (Polaszek, 1999) comb.n. , E. tachii (Polaszek & Hayat, 1992) comb.n. , E. taiwanensis (Chou & Chou, 1994) comb.n. and E. tamaulipeca (Myartseva & Coronado‐Blanco, 2002) comb.n. The generic limits of Encarsia are re‐defined based on a re‐assessment of morphological characters, and the results are discussed with respect to the current classification of the aphelinid subfamily Coccophaginae.