New species and records of Dicraeus Loew, 1873 from China (Diptera: Chloropidae) Author Liu, Xiaoyan Author Yang, Ding Author Nartshuk, Emilia P. text Zootaxa 2019 2019-02-11 4554 2 351 370 journal article 27572 10.11646/zootaxa.4554.2.2 0a20dc7b-5322-4d72-9536-6a80d2d56b22 1175-5326 2623713 9C8F643F-7A2A-47D2-AEBF-A384BAB26B6B Dicraeus Loew, 1873 Dicraeus Loew, 1873 : 51 . Type species : Dicraeus obscurus Loew, 1873 (monotypy). Parastia Pandellé, 1898 : 18 . Type species : Oscinis raptus Haliday, 1838 (by designation of Sabrosky, 1964). Oedesiella Becker, 1910 : 146 . Type species : Oedesiella discolor Becker, 1910 (monotypy). Oxyapium Becker, 1912 : 250 . Type species : Oxyapium longinerve Becker, 1912 (monotypy). Dicraeinus Enderlein, 1936 : 186 . Type species : Eutropha ingratus Loew, 1866 (monotypy). Paroedesiella Enderlein, 1936 : 187 (unavailable name). Paroedesiella Anonymous in Imperial Institute of Entomology, 1937 : 394 . Type species : Oscinis styriacus Strobl, 1898: 263 (monotypy). Paroedesiella Sabrosky, 1941 : 761 (preoccupied by Anonymous, 1937). Type species : Oscinis styriacus Strobl, 1898 (original designation). Eudicraeus Nartshuk, 1967 : 426 . Type species : Dicraeus rossicus Stackelberg, 1955 (original designation). Diagnosis. Gena broad, at least 0.5 times as wide as first flagellomere; ocellar setae reclinate, convergent to cruciate (rarely parallel); first flagellomere rounded or somewhat angulate apicodorsally; wing with C usually extending to tip of M 1+2 , sometimes ending halfway between R 4+5 and M 1+2 ; R 2+3 long, second costal sector more than 2.5 times length of third (rarely 2.0–2.5 times length of third); male genitalia usually large, epandrium prominent, semicircular; surstylus developed, much diversified in shape; male cercus absent, reduced or present as a narrow projection; hypandrium closed posteriorly ( Andersson 1977 ; Kanmiya 1983 ; Ismay 1984 ; Barrie & Wheeler 2016 ).