276 NORTH AMERICAN TRYPETINA. 



mentioned specimens from Brazil, now called T. sparsa in 

 Wiedemaun's collection, form a separate genus, the characters of 

 which may be easily gathered from the descriptions of T. sparsa 

 and rotundipennis in the first volume. I call it Eutreta, in 

 allusion to the characteristic picture of the wings. 



30. T. rotundipennis Lw. % .* (Tab. X, f. 14.) Fusca, alis latis- 

 simis, rotundatis, nigris, albido-guttatis, in marginibus antico et apicali 

 maculas minutas albidas gerentibus. 



Brown, wings very broad, rounded, black, dotted with white ; the anterior 

 and apical margins are beset with small whitish spots. Long. corp. 

 0.28 ; long. al. 0.26. 



SYN. Trypeta rotundipennis LOEW, Monographs, etc., I, p. 79. Tab. II, f. 14. 



Hob. Middle States (Osten-Sacken). 



Observation. Since tie above-quoted description was drawn, 

 I have not received any addition to the single, imperfect specimen 

 in my collection, and have, therefore, nothing more to add about 

 it. The systematic position of this species has been discussed 

 above, in the third observation to T. sparsa. 



31. T. Clllta WIED. $ J. (Tab. XI, f. 3.) Ex rufo-lutea; caput 

 nigro-maculatum ; alse lute*, in margine antico toto, in apice et in 

 marginis postici dimidio apicali eleganter radiatse, in disco maculis 

 aliquot magnis fuscescentibus, macula minuta atra, guttisque aliquot 

 limpidis, fusco-circumscriptis, notatae, in angulo postico confertius lim- 

 pido-guttatse, vena longitudinali tertia nuda. 



Reddish-yellow ; head with black spots ; wings clay-yellow, the anterior 

 margin, the apex, and the apical portion of the posterior margin are 

 handsomely adorned with ray-like streaks ; upon the middle there are 

 some brownish spots, a small black dot, and a moderate number of 

 hyaline drops, margined with black; on the posterior angle numerous 

 hyaline drops ; the third longitudinal vein not bristly. Long. corp. % 

 0.21, 9 cum terebra 0.31; long. al. 0.290.32. 



SYN. Trypeta culta WIEDEMANN, Auss. Zweifl. II, p. 486, 16. 

 Acinia fimbriata MACQUART, Dipt. Exot. II, 3, p. 228, 5. Tab. XXXI, f. 5. 

 Trypeta culta LOEW, Monogr. etc., I, p. 94. Tab. II, f. 29. 



Reddish-yellow, opaque * the head somewhat paler yellow. 

 The front of moderate breadth, dark yellow; the two bristles 

 before the ocelli, directed forwards, and three strong bristles on 

 the lateral margin of the front, are black ; the other frontal 

 bristles yellowish. The frontal lunule and the anterior part of 



