614 NEW JERSEY AGRICULTUEAL COLLEGE 



tlic ]):ist lillcd tliosc ciiics in May ami June, came a period of 

 almost daily fains. V\"\\\\ tlicsc rains came also oppressive, sultry^ 

 liiiih tem])('ratiir(\ and all iIkisc factors that make for rapid and 

 })rolitic breeding' of the comnKin lionse mosquito, Ciilex pipiens. 

 The result was that dtirinu' all of midsnmmor this species increased 

 in nnmbors where ordinarily few if any canu^ to maturity. It was 

 not all a. misfortune, iKtwcvcr, sinc(^ it attracted attention tO' many 

 breeding places that would otherwise have been overlooked and in 

 several places called attention to the necessity for local work. In 

 the reports on special localities these matters are more jiarticularly 

 referred to, and the report on Mount Holly is t}i>ical of «conditions 

 that exist in many other places in the State. 



A dire<,^t result of this ac(*umulati(m of specimens during the 

 jatt( r ])art of the seastm is that there are at present writing great 

 nnmU-rs of these house moscpiitocs hibernating in th(^ cellars in the 

 localities where they were abundant during the sunnner. These 

 S]iecimens will furnish the start for the season of 1007, and, if left 

 undistnrbt'd, will ])rovide for an abundant early crop if the weather 

 is at all favorabh'. 



it is quite ])ossible to kill otf a very large percentage of this 

 hibernating series — all impregiiateil females — and every specimen 

 kilhnl off means a potential 200 to -iOO new crop. In the report 

 f(U- 1!>04 it was shown that powdered stramonium or "Jimpsou 

 Weed'' may be used as a fumigant to kill off the dormant speci- 

 mens, and on a. later page the nse of the ''Cnlicide" employed at 

 New Orleans in the Ciinipaign against the yellow fever mosquitoes 

 is described. Outfits for fumigating with this material ai-e so very 

 cheap that every local board of health could afford a dozen or more 

 to be loaned to those who wish to treat their cellars. In fact, who- 

 ever has an alcohol lani]) (•■aw make the outtir at a cost of ten to 

 tifteeii cents, sinci^ an eight-inch section of an ordinary stove pipe 

 furnishes the main part of it. 



Attention was also directed to the part played by several sylvan 

 or M'<x)ds mosquitoes, which also were unusually abundant in some 

 of the hilly ]iarts of the State. These species have only a single 

 brood annually, emerging in late A]n"il, but some of them live on 

 until midsumnuM-, and are a nuisaui'c in the wotnlland and on 

 ]H>ri*hes of lunises surrounded by trees near their haunts. In the 

 account of the investigations nuide near Short Hills and Millbuni 

 and on the shores of Lake Hopatcong, specific reference is made to 



