BOLLETTINO 



DRI 



Musei di Zoologia ed Anatomia comparata 



«iella il. InlTprHiUi <ll Torino 



N. S30 pubblicato il 25 Maggio 1X99 Vol. XIV 



Viaggio del Or. Enrico Festa nell'Ecuador e regioni vicine. 

 XIX. 



G. W. KlRKALDV 



AQUATIC RHYNCHOTA 



1. Gerris sp. nov. 



A single macropterous d* of a new species of the subgenus Limnometra, 

 from Valle d^l Zamora; I have not described it as the antennae are 

 missini:. 



2. Gerris sp. ? 



A single nyraph (probably representing a new species of the subgenus 

 Limnometra from Gualaquiza. 



3. Gerris livalinus Fabr. 



(«ubg. Limnogonus). Macropterous d" - : apterons d". — Gualaquiza. 



4. Gerris sp. ? 



Nymphs of one or two species from Foreste Rio Peripa. 



5. Gerris (lavollneatus Champion. 

 Gua'aquiza ; Harro; Foreste Rio Peripa. 



6. Potamobates Tilderitatus Champion. 

 Apterons, d"c, — Gualaquiza. 



I must admit that this species has puzzled me very considerably, 

 and that I ani now by no means satisfied as to rny conclusione. 



2d & 1 $ r'rorn Gualaquiza seem to me to be undoubtedly P. bident 

 Champion, though the details of colouring & the proportions of the an- 

 lennae by no means agree with Champion's account. Four other exam- 

 pìes (ali '-) from foreste Rio Peripa, may possibly be P. unidentatus, 

 although not accordant with the originai description ; they seem to be 

 et speci flcally from the 3 from Gualaquiza. 



