BOLLETTINO 



DKI 



Musei di Zoologia ed Anatomia comparata 



della U. Uni Tersità <li Torino 



N. S^T pubblicato il 9 Maggio 1899 Vol. XIV 



G. W. KlRKALDY 



On some AQUATIC RHYNCHOTA from South America 



in the collections of the Museum of Zoology and Comparative Anatomy 

 of the Royal University of Turin. 



The following notes and descriptions deal with the Rhynchota belong- 

 ing to the families Gerridae, Corixidae, & Notonectidae, collected in 

 South America by Dr. Borelli & by Dr. Festa. The representatives of 

 these families in that vast continent nave received little attention (1), 

 and my thanks are due to the Direction of the Museum, through Dr. 

 Achille Griflìni, for sendingt hese interesting collections to me for exam- 

 ination & for permitting me to study them at* my leisure. 



Our knowledge of the aquatic Rhynchota of the Neotropical Region 

 is altogether too scanty for me to profitably discuss the distribution of 

 the species here enumerated; the great range of two or three species 

 will, however, be remarked, viz; Corixa Rollarti, C. pygrnaea, Noto- 

 necla bi fasciata, Anisops Antigone and A. elegans. 



Agreeably to Dr. Griffini's request, I divide this paper into four parts, 

 viz: the inseets collected 



1 by Dr. Festa in Darien & Venezuela, 



2 by Dr. Festa in Ecuador, 



3 by Dr. Borelli in Paraguay & Argentina, 



4 by Dr. Borelli in Bolivia. 



(!) The only papers ofany extent are Berg's invaluable « Hemiptera argen- 

 tina » and various shorter papers by the same author; F. B. White's descriptions 

 of Rhynchota from the Amazon Country; and oDe or two papers (recently 

 published) by Breddin. 



