4IO ENTOMOLOGICAL NEWS [Nov., '13 



Peripheroptera incommoda Osten Sacken (PI. XIV, Fig. 5). 



One male from Coroico, Bolivia, agrees very well with the 

 original description of this species. It measures 3.5 mm. in 

 length of body and 5.4 mm. in wing length. I include a figure 

 of its venation. (See Plate XIV, fig. 5). 



Peripheroptera teucholaboides, sp. n. (PI. XIV, Fig. 6). 



Head dull brown; thorax shining black; wings hyaline with a small 

 brown stigma. 



Male. Length, 4.8 mm. ; wing, 6 mm. 



Rostrum and palpi dark brown ; antennae dark brownish black, the 

 ilagellar segments short, rounded ; front, vertex and occiput dull red- 

 dish brown. 



Thoracic dorsum shining black ; pleurae black, with a bluish grey 

 bloom on the mesopleune. Halteres brown, the base of the stem 

 lighter. 



Legs long and slender, entirely black. 



Wings hyaline, a small dark brown stigma and a narrow seam of 

 the same color on the deflection of R 4 plus 5 ; veins brown. Vena- 

 tion (see Plate XIV, fig. 6), triangular basal cell very short and small; 

 Sci ends just before the origin of Rs; deflection of R 4 pkis 5 a little 

 shorter than Rs but strongly arcuated ; inner end of cell ^5 farther 

 distad than those of R$ and ist Mz; basal deflection of Cui at fork 

 of M. Anal angle of the wing feebly indicated. 



Abdomen shiny black. 



Holotype, $ , Callanga, Peru, in the Hungarian National 

 Museum. 



P. teucholaboides bears a strong superficial resemblance to 

 Dicranomyia moriodcs O. S. (East. U. S.) and to certain of 

 the tropical forms of Teucholabis. It is much nearer to the 

 normal Limnobine type than any of the other known species 

 of the genus in that the male venation and alar characters are 

 about as in the females of the other species, i. e., small triangu- 

 lar basal cell, small stigma, indication of an anal angle to the 

 wing, etc. 



Peripheroptera eudorae, sp. n. (PI. XIV, Fig. 7). 



Thorax reddish ;_ wings margined all around with brown, a broad 

 brown seam along the cord. 



Male. Length, 5.4-6 mm. ; wing, 8.2-10.1 mm. 



Rostrum and palpi reddish brown ; antennae, first segment brown, re- 

 maining segments dark brownish black ; front, vertex and occiput shiny 

 reddish chestnut, the occiput rather narrowed caudad to meet the 

 elongated cervical sclerites, gense yellowish brown. 



