Hendel, Die Arten der Dipteren-Subfamilie RicJiardünae. 201 



schwarz. Discoidalzelle deutlich kürzer als der letzte Abschnitt 

 der Dioscoidalis. 



Körper 13 mm, Flügel 10 mm. 



6. Setellia atra Walker. 



Walker. Insect. Saund.. Dipt. Part IV. 1852 p. 394. Tab. A^l. fig. 7 



(Calobata). 

 Brasilien. 



„Atra robusta ; caput longitudine latius . antennae piceae ; 

 abdomen clavatum . pedes validi , tibiis posticis subarcuatis. alae 

 albidae, costa fasciaque fuscis." 



„Deep black. stout : head broader than long, a little broader 

 than the ehest , whitish about the borders of the eyes ; crowu 

 with two very sligth longitudinal furrows ; mouth and feelers 

 pitchy; 3. Joint of the feelers linear, rounded at the tip, about 

 four times the length of the second ; sixth pubescent : abdomen 

 clavate, nearly twice the length of the ehest: legs stout; hind- 

 shanks slightly curved : wings whitish , dark brown along the 

 fore border from the base unto beyond the tips , and with a 

 dark brown very broad slightly curved band which incloses the 

 cross-veins ; veins pitchy , yellow in the colourless part towards 

 the tip: halteres testaceous. Length of the body 5^/., lines ; of 

 the wings 10 lines." 



Nach der Abbildung liegt die Flügelquerbinde etwas jenseits 

 der Mitte, ist innen konvex, aufsen konkav begrenzt. Die Längs- 

 adern sind am Ende wie bei Set. nigra Schiner aufgebogen. Der 

 Abstand der beiden Queradern voneinander ist nur wenig länger 

 als die hintere Querader. 



7. Setellia nitidipennis Van der Wulp. 



Van der Wulp. Biol. Centr. Americ, Dipt. Vol. II. p. 385. 1. Tab. X. 

 fig. 16 (Michogaster) (1899). 

 Panama. 



„Shining black; wings hyaline, the costa to the termination 

 of the first vein and the apical third black. — Length 12,5 mm. 



Body slender. Head rounded, black ; the face slightly whitish ; 

 front as broad as the eyes , with parallel sides ; cheeks narrow. 

 Antennae black ; third Joint twice as long as the second ; arista 

 microscopically pubescent. Thorax, scutellum and abdomen shining 

 black ; abdomen cylindrical , attenuated towards the base ; anal 

 Segment with a pair of filiform , apparently jointed , appendages 

 beneath. Legs elongate ; hind tibiae slightly curved , very thin 

 at the base, but gradually enlarged towards the tip ; middle tibiae 

 with a strong spur. Halteres yellow. Wings broad, very glossy, 

 hyaline ; the costa to the end of the first vein and the apical 



