NO. 1140. J!Kro/!T ON JAPAyKSE ])JI'TEILi—(0(,HI LL/riT. 323 



third and rouitli, bltick; liairs of abdomen beyond the bhick hind mar- 

 gin of the second segment (ihioHy bhick (abdomen of female wanting 

 iu the single specimen nudcr examination). Tarsi brown at the ai)ices. 

 Length, 10 mm. A specimen of each sex (No. 070). 

 Type.—^o. 3992, U.S.X.M. 



SYRPHUS LAUTUS, new species. 



Male and female: Head black, the front, except the vertex, also the 

 antennae, face, and cheeks, yellow; in the female the michlle of the front 

 is brown, prolonged as a narrow line to the insertion of the antennae; 

 hairs of front, antennae, and npper part of the face black, those on 

 remainder of face, cheeks, and occi})ut yellow; eyes densely hairy. 

 Thoiax greenish-black, marked with three velvet black vittae, the spaces 

 between them anteriorly gray prninose, the lateral nnirgins and a spot 

 on the pleura in front of the wings yellowish-gray prninose; hairs of 

 thorax mixed blaelv and yellow, those at the humeral angles chiefly 

 yellow; scutellnin polished, bluish, its hairs black. Abdomen oi)a(iue, 

 velvet-black, the first segment and both ends of the second i)olished 

 bluish, third and fourth segments ea(th marked on the anterior portion 

 with an arcuate yellow fascia, the i)osterior portion of the fourth seg- 

 ment and the whole of the fifth poli.shed yellow; hairs of the first three 

 segments and base and sides of the fourth black, hairs of i emainder of 

 abdomen yellow. Legs yellow, the coxae and bases of the femora black. 

 Wings strongly tinged with yellow, calypteres blackish. Halteres yel- 

 low. Length, 17 mm. Two males and two females (No. 009). 



Type.— ^o. 3993, U.S.N.M. 



DIDEA FASCIATA Macquart. 



Didea fasviata Macquart, Mist. \;it. Ins.. Dipt., 1S34, 1, p.HOS. 



Enica foei-Hterl MnUiEN. Syst. Hesch. Kur. ZweiC. Iiin., 18S8, VII, p. 110. 



A specimen of each sex (No. 081), agreeing well with the descriptions 

 of this European sjiecies. The synonymy has already been published 

 by Dr. iSchiner.^ 



SPHAEROPHORIA CYLINDRICA Say. 



Syrphits cijlindrimti Say, Amer. Knt., 1S24, 1, p. 22. 



Sjihaerophona coiitit/iKi M\cqu\nr, Dipt. Exot., 1846, Sujjp. 11, p. 62. 



Eleven males and four females (No. 077), agreeing in all respects with 

 specimens from the United States. The synonymy is by Osten Sacken.^ 



SPHAEROPHORIA TAENIATA Meigen. 



-Si/»7</i«.v id mint II H Mki(;i:.\, Syst. Hescb. Eur. Zw(3ir. lu.s.. 1S22, 111, p. '.i2T}, 



Seven males and five females (No. 07(5), agreeing well with the descrip- 

 tions of this European species. It has already been reported from 

 Japan by Motschulsky.' 



' Fauna Aus., Dipt., 1862, 1, p. 314. 



2Catal. Dipt. N. Am. ,1878, p. 126. 



3 Bull. Soc. Imp. Nat. Moscoii, 1866, I't. 1, p. 183: Melithriptua. 



