332 DIPTERA OF NORTH AMERICA. [PART IV. 



CEROZOOBA' Westw. 



(Section LIMNOPHILINA ? compare p. 192.) 



Gerozodia Westw., Lond. and Edinh. Phil. Magaz. VI, p. 281 

 (svn. Ozocera Westw., Zool. Journ. No. 20 ; nee Ozodicera 

 Macq.), from Australia, is described thus : — 



Lhnnohice affinis ; antennae tliorace paulo longiores, articulis 32 ; 3-31 

 ramulum longum emittenti ; palpi perbreves ; alarum nervi ut in Gyno- 

 plistia vili dispositi. 



This last mention seems to indicate that this genus belongs to 

 the Limnophilina. I do not know anything about this genus, 

 nor do I find it mentioned in subsequent publications, except 

 Macqnart's naked quotation {Dipt. Exot. I, 1, p. 65). 



CI^OXIOPnORA' ScHiNEK. 



(Section LIMNOPHILINA; compare p. 192.) 



The following has been translated from Dr. Schiner's article in 

 the Verh. Zool. Bat. Gesellsch. in Wien, 1866, p. 932 :— 



Head rounded ; eyes somewliat projecting, rostrum moderately pro- 

 longed, truncate in front, and beset with bristly hairs. Palpi four-jointed, 

 the second joint short spade-shaped, third and fourth slender, nearly of 

 the same length. Antennae 18-jointed, first joint cylindrical, the second 

 short cyathiform, 3-13 on the inside with a single lateral projection, which 

 is very short on the joints 3 and 13 ; the last joints narrow and elongated, 

 finely bristly.. Thorax stout ; abdomen more than three times the length 

 of the thorax, somewhat flattened, the horny ovipositor very much pro- 

 jecting, almost as long as half the abdomen, stout at the basis, gradually 

 attenuated, ending, beyond the middle, in two slender, somewhat arcuated 

 valves ; the lower valves do not reach beyond the middle of the upper 

 ones. Feet rather strong, tibiae with spurs, empodia strongly developed. 

 Wings long and comparatively more narrow than in the genus Gynoplistia ; 

 the auxiliary vein is long, connected with the first longitudinal by a cross- 

 vein near its tip ; the venation is otherwise like that of Gynoplistia, only 

 the terminal portions of the veins are all longer and more straight ; halteres 

 long with a large knob. 



Type of the genus : C. subfasciata Walker ; Australia. 



' From xEpaf, horn, and cfsJJn?, branched. 



2 Apparently from xXiviov, the hip, and fipai, I bear. 



