19Ul Atcxiiii Irr — Scif or Litlle-knoun Xeolro/.ical Ileialomini 37 



Scape of tin- iinlcniiH- lirownish-black; legs bluckish-brown except base of fore 

 femur: Sc: sliorlor tlian .S'c. (Mexico.) loirnsaidi, sp. r.. 



26. Color melallic blue with head orangc^red. (Panama.) Icsscjuti O. S." 



Color not metalii blue 27 



27. Thoracic prsescutum red 28 



Thoracic proeseutum black 29 



28. Frontal tuliercle red; scutcUum black, (^[exico.) hrmorrhoa O. S." 



Frontal tubercle black: scutellura rc<l. (Cuateniala.) erylhraa O. S." 



20. Frontal tubercle orange 30 



Frontal tubercle black 31 



30. Abdominal segments 3-5 with basesred dish. (Mexico.) gracilis O. S.« 



Abdominal segments altogether black. (Colombia.) niacquarli Knd" 



31. AVings luteous, blackish toward the tips. (South America.) rhrysoplera Walk" 

 Wings mostly blackisli 32 



3i. Wings brown, darker along costa; cells unifonn: wings not reddish-yellow at 



basis. (Mexico.) preliosa O. S." 



Wings brown, either reddish-yellow at base or else willi hyaline in some of the 



cells 33 



33. Wings a little reddish-yellow at ba.se. (Brazil.) nigra Wicd." 



Wiiig.s blackish, some of the colls with nearly hyaline streaks. (Soiith America.) 

 Icnebrosa Walk.'i 



The follow inii .species arc not included in the above key: 

 Penthoptera fidigiiiosa Schiner;-' (Coloml)ia) sinning i)itch- 

 black; femora with a broatl yellowi.sh-red ring immediately l)eyond 

 the b.ase; head, autenme and palpi black; wing.s tinged with brown, 

 more .satnrated on costal margin. Osten Sacken, (Studies on 

 Tipulida?, pt. ^2, p. '•2'24), suggests that this is an Eriocera. 



lAmnohia flaiiccps Wied.;-' (Brazil) thorax and abdomen black, 

 forehead fiery yellow; anteima' black. Venation (PI. G b; fig. 10) 

 like Eriocera but cell /v. very short. 



Eriocera magnifica sp. nov. 

 Dark brownish-black including the head; wings ilnrk with a broad pale yellow 

 postmedian band. 



" Ostcn Sacken. C. R.; Biologia Cent. .Amcr.; Dipt.; vol. I, p. 13; 1S86. 



"Oaten Sacken, C. R.: ibid.; p. 11. 



"Oaten Sacken, C. R.; 1. c. 



»» Oaten Sacken, C. R.; 1. c; p. 12. 



« Enderlein, G.; Zool. Jahrb.; vol 32. pt. 1; p. 45; 1912. 



33 Walker, F.; Inaecta Saundersiana; vol. I; p. 438; {Limnobia); IS.'iO. 



n Osten Sacken, C. R. R.; Biol. Cent-Amer.; Dipt.; vol. I, p. 12; 1886. 



"Wiedemann, J.; Aussereur. iweifi. Insekt.; vol. I, p. 27; {Limnobia); 1828. 



» Walker, F.; Inaecta Saundersiana; vol. I, p. 439, 440; (.Limnobia); 1856. 



"Schiner; Reise Novara; p. 42. (/>cnMop(<Ta); 1868. 



" Wiedemann, Aussereur. zweifl. Insekt; vol. 1. p. 550; (Limnobia); 1828. 



