CirARLES I>. ALEXANnKK 253 



sternitcs 1 to 5 yellow, C to 8 black. In some spociinent.s an oval black 

 median spot on torgitc 5 near the caudal margin. 



Holotype, cf , Bartica, January 30, 1913, in swamps. 



Allotype, 9 , topotypic, February 5, 1913, in swamps. 



Paratypes, Ucf, 29, topotypic, January 25, 1913 to February 

 11, 1913, in swamps. 



E. speciosa is closest to E. melanacm Wiedemann of Brazil but the 

 thoracic dorsum is without black stripes, base of the wing not 

 conspicuously pale, wing band proximad of the cord, first abdom- 

 inal segment not black, no dark stripes on the yellow of the basal 

 abdominal segments, etc. 



Subfamily Tipulinak 

 Tribe Dolichopezini 

 Genus MEGISTOCERA Wiedemann 

 1S28. Megi-^tocera Wiedemann, Aussereur. zweifl. Ins., i, .'55. 



Megistocera longipennis Macquart 



183S. Tiputa longipennis Macquart, Dipt. Exot., i, pt. 1, 57, pi. 5, fig. 1. 



Bartica, one cT, December 5, 1912, one cf, January 18, 1913. 

 Mallali, one 9, March 20, 1913. 



Genus BRACHYPREMNA Osten Sackcn 

 1886. Brachypremna Osten Sacken, Berlin. Entomol. Zeitschr., xxx, 

 161. 



Brachypremna breviventris Wiedemann 



1821. Tipula breviventris Wiedemann, Dipt, exot., i, 43. 

 Bartica, two 9 , January 16, 1913 to February 18, 1913; one <f , 

 January 31, 1913. 



Tribe Tipulini 



Genus OZODICERA Macquart 



1834. Ozodicera Macquart, Hist6irc Naturelle des Insectes: Dipt6res, i, 92. 



Ozodicera pectinata Wiedemann 



1821. Tipu/apecii/iafa Wiedemann, Dipt. Exot., i, 24. 



One female from Bartica, Januar3- 27, 1913. 



Ozodicera noctivagans sp. n. 



Very much smaller than any of the described species, length of wing under 

 12 mm.; thorax gray with four brown stripes; wings dusky, stigma brown. 



TRANS. AM. ENT. SOC, XL. 



