from the Philippine Islands. 223 



Ditomogaster and Hemigaster) seem Hkewise to beloag in this vici- 

 nity. Still another form of this group I publish below, {Asyntona 

 nov. gen.) 



N aupocla platessa n. sp. $5. 



Front and face reddish, or yellowish-brown ; antennal scapus brow- 

 nish-yellow; third Joint brownish; face shining; on the vertex, on each 

 side of the ocelli , a large , shining Square space , with a little pit , or 

 depression below it; the rest of the front opaque. (The color of the 

 eyes, in life, has been deseribed above). Thorax and abdomen black, 

 shining, microscopically pubescent. Tegulae and halteres yellowish. 

 Legs yellow, bind femora brownish at the root, Wings tinged with 

 yellowish; proximal half brownish, which color is especially distinct in 

 the first basal cell, from which it extends and becomes gradually eva- 

 nescent, towards the costa, the discal and the third posterior cell. 

 There are faint, small, grayish clouds at the tip of the auxiliary, first 

 and second veins, and also about the middle of the last section of the 

 third and fourth veins. Length, about 4 mm. — Four specimens, two 

 of which are females; the abdomens of the two others are damaged, 

 still one of them I believe to be a male. 



Asyntona. 



0. Sacken, Bullet. Soc. Entom. Fr. 10. Aug. 1881. 

 I possess of this genus only a good drawing, executed by Doleschall. 

 I publish it in Order to utiUze it, the more so as it is a very remar- 

 kable, easily recognizable form, closely allied to Naupoda, which 

 I have just deseribed, but abundantly different. 



Fig. 7. 



Asyntona Doleschalli. 



