236 Ni;\V VUKK STATE MUSEUM 



Brood 8.' This is no. 6 of Messrs Walsh aiul Riley and was tlic one Dr 

 I-"itch confused with llie 13 year hrood which occurred in iS^v It has 

 been recorded only from Long Island. It is due to appear in 1906. 



Brood 12. This is one of the best recorded broods since it occurs 

 very largely in the thickly ])()pulat((l regions of tiie Eastern States. This 

 facilitates its observations very much. It is the brood which occurred 

 in Xew \'ork .State and was very closely studied by Dr Lintner in 1894. It 

 is i )r ImicIi's no. 1, and Walsh and Riley's no. 8. It has Ijeen recorded 

 from Albany, Columbia, Dutchess, Greene, Orange, Putnam, Richmoml, 

 Rensselaer, Rockland, Saratoga, Ulster, Washington and Westchester 

 counties and from Long Island. It a])iiears next in 191 i. 



Brood 17. This is no. 7 of Dr Pitch's, and no. 12 of Messrs Walsh 

 and Riley. It was recorded from Richmond and Westchester counties in 

 1898, and it will therefore not be seen again till 1915. 



Brood 19. This brood was founded by Dr Riley on the records of Dr 

 .Smith's register which runs back to 1797. It is recorded as appearing in 

 Cayuga, King.s, Livingston, Madison, Monroe, Ont)ndaga, Ontario, Rich- 

 mond, Schenectady, Wyoming and \'ates countii-s, and is due to appear in 

 1 9 1 6. 



Brood 20. This is Dr hitch's second brood and no. 14 of Walsh and 

 Riley. It is due to appear ne.xt in 1917. It has been recorded in New 

 York State, so far as known to us, from onl\- one locality in the e.\treme 

 southwestern portion of Chautaucpia count)-. 



Brood 22. This is one of the largest broods which occurs in the 

 I'nited States. It appeared in New York in 1902. It has been recorded 

 from Kings, .Monroe, Niagara and Richmond counties. .A recent report 

 from Chester \ oung states that this brood appeared in 1902 in localities 

 in Nassau and .Suffolk counties. It probably occurs also in Queens county. 

 It is not du(t ai;ain till 1919. 



Natural enemies. This insect occurs in such larofe numbers that it fre- 



' I in- ( (iiM|iti,-!icii:.l\ <■ iiuml)erii)g ol Dr .Marlatt has bucn adopted as being more 

 likclv to be periiianenl. 



