ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XVII. 



JANUARY, 1906. 



No. i. 



CONTENTS: 



De la Torre Bueno Ways of Progression 

 in Waterbugs i 



Quayle Notes on the Egg-laying habits 

 of Culex curriei Coq 4 



Girault Standards of the number of eggs 

 laid by insects IV 6 



Nason Parasitic Hymenoptera of Algon- 

 quin, Illinois III 7 



Tucker Determinations of some Texas 

 Coleoptera with Records 10 



Weeks Letter to the Editors . . 15 



Pearsall Harrisimemna Insi^nata Walk. 21 

 Wheeler On certain tropical ants intm 



duced into the United States 13 



McClendon Notes on collecting in M. \ 



ico 26 



("ockerell A new lossil ant 27 



Editorial 29 



Notes and News 30 



Poings of Societies ^5 



Ways of Progression in Waterbugs. 



BY J. R. DE LA TORRE BUENO. 



In ENTOMOLOGICAL NEWS for December, 1904 (p. 344), 

 Mr. G. W. Kirkaldy has a suggestive note on the subject of 

 oaring in waterbugs, in which he refers to Professor Packard's 

 remarks in " Half Hours with Insects," on the motion of the 

 legs in swimming in Ranatra and Belostoma and (Ainor^ins I. 

 In February, 1905 (p. 53), the NEWS published a brief note 

 of mine on Cori.va, Notoneda and Belostoma, and in March (p. 

 88), Mr. C. S. Brimley, of Raleigh, threw further light on the 

 method in Benacus griseus. These brief notes suggested U> 

 me that since I would have living waterbugs in my aquaria 

 through the spring and summer, it might be well to look into 

 the subject a little more thoroughly, the more so that all the 

 general works I have been able to consult content themselve> 

 with vague remarks. In connection with my breeding experi- 

 ments, the following observations were made : 



The position back down assumed in swimming by our Amer- 

 ican genera-^of the family Notonedida; is too well known to 

 call for more extended mention. In Notmn- 

 ditlata, variabilis and insiilata) and in ttm->t^i (An .v ( '/>\, pur- 



