Die Alten der Platystominen. 37 



from the border, and by rather less than its length from the praebrachial 

 transverse vein, whicli is long and very oblique; halteres white. Length 

 of the body 6 lines; of the wings 10 lines." 



8. Antlneura strigifer Walker. 

 Dacus strigifer Walker, Proc. Linn. Soc. Loncl., Vol. 6, p. 13, 45 (1862). 



— Djilolo, Molukken. 



„Bliiish black; head silvery, hoary behind and aboiit the eyes; face 

 triangulär, with a reddish streak which is abbreviated towards the pe- 

 ristoma; palpi with reddish tips; antennae black, reddish towards the 

 base: 3. Joint slender, very long, extending to the peristoma; arista white, 

 pubescent, bare towards the tip, much longer than the 3. Joint; thorax 

 with 3 cinereous stripes, which are united hindward; pectus cinereous; 

 abdomen wanting: legs black; femora white, black towards the tips; fore 

 coxae white; posterior tarsi white, with black tips; wings limpid, black along 

 the Costa; a black discal streak extending from the base to one-third of 

 the length: a black broad irregulär oblique band beyond the middle; veins 

 black; discal transverse vein straight, parted by less than half its length 

 from the border, and by about its length from the very oblique prae- 

 brachial transverse vein, which equals it in length; halteres white. Length 

 of the body 6 lines; of the wings 10 lines." 



IG. Genus Xenaspis Osten-Sacken. 



Bull. Soc. Ent. France, p. 134 (1881). 

 Syn. PoUstomima Enderlein, Zoolog. Jahrb. 1912, p, 349. 



Tabelle der Arten. 



Am Scheitel zu beiden Seiten des Ozellendreieckes je ein dunkel- 

 brauner Fleck " 



— Scheitel ungefleckt ^ 



1. Große, robuste Art (25 mm lang), mit dunklen Flügeln und schwarz- 



braunen Schenkeln. Wangen glänzend. Hinterleib 1^2 mal so lang 

 wie der Thorax. 2. X. pictipennis Walker. 



— Kleinere, schlanke Art (14 mm), mit rundem braunen Apikaifleck 



auf den gelblichen Flügeln, gelben Schenkeln und bereiften 

 Wangen. Hinterleib zweimal so lang wie der Thorax. 



9. X. loMjiventns n. sp. 



2. Letzter Abschnitt der Discoidalis weitaus kürzer als der vorletzte. 



1. X. polistes Osten-Sacken. 



— Letzter Abschnitt der Discoidalis so lang oder länger als der vor- 



letzte ^ 



