BROOD IX—SEPTENDECIM—1918. 49 
confirmation. The large dots on the map indicate starred counties - 
and the small ones doubtful records or scattered presence. 
The distribution, by States and counties, is as follows: 
Intinors.—(Whiteside) (?). 
’ MaryLanp.—Harford. 
Massacuusettrs.—Dukes* ( Marthas Vineyard). 
New Jersrey.—Essex. 
New Yorx.—(Chautauqua) (?). 
Norru CaroLina.—Moore (?). 
Oxnto.—Belmont, Carroll,* Columbiana,* Hamilton, Jefferson,* Mahoning ,* Portage,* 
Stark,* Trumbull.* 
PENNSYLVANIA.—Allegheny, Armstrong,* Beaver,* Butler,* Cambria,* Clarion,* 
eho 
1 
| : 
= 
2) 
o 
o 
@) 
v 
v 
Fig. 12.—Map showing distribution of Brood IX, 1918. 
Crawford, Fayette, (Forest), Huntingdon, Indiana,* (Jefferson), Lawrence,* Mercer,* 
(Snyder), Venango,* Washington,* Westmoreland. 
SoutH Caroitrna.—Barnwell (?). 
West Vrreinta.—Brooke,* Hancock,* (Marshall), Ohio. 
Broop 1X—Septendecim—1918. (Fig. 12.) 
In the main this brood (XV Walsh-Riley, XXI Riley) covers a 
rather compact territory, extending from the southern part of West 
Virginia across Virginia into North Carolina, and is the southern 
extension of Brood VIII one year retarded. Some widely separated 
swarms have been reported from Ohio and one from northern Vir- 
31117—No. 71—07—4 
