6oO Mr. F. W. Edwards on Formosan Culicidne. 



Cnlex siiiens, Wied. — * Takao. 



Cidex vishnui, Tlieo. — Tailioka, Daitotei. 



Culex tritceniorhi/nchus, Giles. — Macuj'ania, Daitotei, San- 



sliik\'aku, * Takao. 

 Culex fi'tigans, Wied. — A lar,o-e mmiber. 

 Cidex fuscocephcdus, Theo. — Hokuto, Sanshikyaku. 

 Cidsx i^Lophoceratomyia) ruhitlioracis, Leic. — Taihoku. 

 Rachionotomyia sp. {? bambusa, Yam.). — *Polislia. 



Megarhinus nianicatus, sp. n. 



? . Head clothed mostly with dark bronze-coloured scales ; 

 a silvery-white rim round the eyes. Proboscis and palpi with 

 purple scales, the latter slender, reaching to the base of the 

 fifth flagellar joint. Torus black, with white j)ollinosity. 

 First flagellar joint without scales. Thorax: prothoracic 

 lobes with greyish-silvery scales only. I'roepiniera for the 

 most part silvery-scaled, but some purple scales on the upper 

 part. Mesonotuni rubbed, the remaining scales nearly all 

 metallic green, except on the scutellum, where they are 

 coppery golden. Pleurae largely covered with silvery scales, 

 with a slight g<;lden tinge in some lights. Abdomen clothed 

 with bluish-purple scales above ; sides of the flrst tergite and 

 small lateral basal patches on the succeeding tergites shining 

 white. No lateral scale-tufts, but the eighth segment with 

 rather long and dense terminal golden bristles. Venter 

 mostly golden ; sternites 4 and 7 almost entirely purple, the 

 remaining sternites with a narrovv median purple sti'ipe. 

 Legs purple-scaled ; femora golden beneath almost to the 

 tips; front and mid tibiffi with indications of a golden stripe 

 on the outer or hinder side. All the tarsi with a broad 

 creamy-while ring, which on the front and mid legs includes 

 the tip of the second joint, the whole of the third and fourth, 

 and the base of the fifth, but on the hind legs includes only 

 the fourth joint and the extreme tip of the third ; in addition, 

 the first tarsal joint of the middle and hind legs has a distinct 

 though rather narrow cieamy-white ring; flfth tarsal joint 

 on all legs mostly blackish. Wings^\i\\ brownish membrane 

 and a distinctly darker brown cloud over the cr(^ss-veins. 

 Wing-scales small and thinly spread, wings thereforeappearing 

 almost bare. Longitudinal portion of the bent r— m cross-vein 

 of the same length as the vertical portion; the m-cu cross- 

 vein slightly external to the vertical portion of r-ra. Stem 

 of halteres orange; knob daik, clothed with golden scales. 

 Wing-length 7*5 mm. 



FouMOSA : Toa Tsui Kutsii, v. 1914 (//. Sauter). 



