334 



Deutsch. Ent. Zeitschr. 1912. 



Fig. 1. Campsurus Jörgenseni cf. 



a Fore leg, h fore wing, c bind wing, d apical Joint with claws of 



fore leg (bind wing more enlarged than fore wing). 



only visible when the wing is held up to the light. Forceps and 

 penis pale yellowish. Imago ? is paler on the venter of abdomen, 



and the most of nervures in the 

 wings have a fine violet greyish tinge. 

 Length o^ 9 mm , $ 9,5 mm ; wing 

 cf 10 mm, $ 11 mm. 



Collected by my friend Mr. P. J ö r - 

 g e n s e n on board a steamer on Alto 

 Parana, after whom I name the species. 

 The specimens were captured in great 

 numbers by night at the electric light. 

 The most interesting feature of the 

 species is the forceps, which is bifid 

 at the base. 



3 . C amp surus ar g enti n u s 



n. sp. 



Head above and behind dark. 



Prothorax above violet greyish; meso- 



thorax paler with three dark longi- 



tudinal lines. Abdomen dorsally violet 



-^. ^ „ ,.. . greyish with a white median line and 



Flg. 2. Campsurus Jorqensem. °.,, .,.,., , , , 



«Forceps and penis, Seen from ^^'i^h an mdistmct pale spot on eaeh 



side, b Seen from below. side of Segments 2 — 8. Segments 8 



