ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XVI. 



NOVEMBER, 1905. 



No. 9. 



CONTENTS: 



Ilerrick Notes on some Mississippi 



Mosquitoes 2*1 



Williams Notes on the Life History of 



Ilcpialus Sequoiolus 283 



Girault Descriptions of two new Hy- 



menoptrroiis K^g-parasites 2^7 



Skinner Inscriptions oi New ("olcop- 



tera from Arizona j^< i 



Nfason Parasitic HymeimpUTa of Al- 

 gonquin, Illinois II 293 



Williamson Itinerary of a Collecting 

 Trip, marie especially in search oi 



Dragonfiies in Central America 299 



Smith Letter to Kditors 306 



Editorial 309 



Nolrsaiid Xe\\s JIO 



Doings of Societies 311 



Notes on Some Mississippi Mosquitoes. 



BY GLENN W. HERRICK, Agricultural College, Mississippi. 



In our campaign against Stegomyia, Anopheles, and other 

 species of mosquitoes here at the college during the present 

 season, we have taken several interesting adults, some of which 

 are worth} 7 of note. 



Megarhinus portoricensis . In the cup-like bottom of a mass- 

 ive iron post supporting one corner of a large water tank, 

 where the former rested on the masonry, were found the 

 larvae of the foregoing species. The receptacle in the post 

 was about twelve inches deep and half full of rain water. 

 Here we found five large dark brown, very spiny larvae and 

 also remnants of cast pupal skins, conspicuous for their long 

 spines made especially prominent by the colonies of Vorticel he- 

 clinging to them. Other larvae, C. pipit us, w r ere present in 

 the water. 



The larva oiMegar/nnns reminds one strongly, at first glance, 

 of that of Psorophora, except that it is much darker in color 

 and noticeably thicker and heavier. It is remarkable for the 



281 



