华北棘蝇属二新种(双翅目:蝇科)

TWO NEW SPECIES OF THE GENUS PHAONIA FROM NORTH CHINA(DIPTERA:MUSCIDAE)

整理山西省和河北省蝇科标本中,发现棘蝇属二新种,特此描述。模式标本存于沈阳师范学院。迷走棘蝇Phaonia vagata Xue et Wang,新种雄体长:5.0—5.5毫米。

The present paper deals with 2 new species of Phaonia,Phaoniinae.All the types are deposited in the first autho’s laboratory.1.Phaonia vagata Xue et Wang,sp.nov(figs.1-3)The width of frons in male being rather narrow,parafrontalia closed each other at the middle part,ori 3 pairs,arista long plumose,the longest hairs about 1.5 times the width of antenna or the width of parafacialia at middle part;dorsocentral bristles 2+35 costal spine developed.By these characteristics the new species may be distinguished from the Eurasian species,Phaonia vagans(Fallen,1825).Female:Unknown.Holotype,Youyu(Shahukou),Shanxi Province(13.V.1982.Coll.Wang Mingfu).2.Phaonia pullatoides Xue et Zhao,sp.nov.(figs.4-6)Male:This species resembles Phaonia punctipennis Shinonaga et Kano,1971 from Japan,but the width of frontal vitta wider than width of paraf-rontalia at narrowest part,facets located on upper half unenlarged,arista short ciliated,the longest hairs as short as 1/3 width of antenna,with 2 rows of genal setae upcurved,gena about 1/6 the eye height,hypoplcuron with 2-3 fine hairs below the metathoracic spiracle,halter dark apically.Female:Unknown.Holotype,Fuping Nantuo,Hebei Province(29.Ⅳ.1981.Coll.Zhao Baogang).