134 ETTMENLD^. 



ferruginous, more or less bright in different individuals; two or 

 three of the apical joints of the tarsi ferruginous, the basal joint 

 of the posterior tarsi with ferruginous pubescence beneath. The 

 head in this species is subelongate. 



Hab. Santiago and Mendoza. 



11. Bombus lateralis. 



Worker. Length 4|-6| lines. — Black ; head subelongate ; the pu- 

 bescence on the head black ; on the thorax it is black, except that 

 on the sides, which is bright yellow ; on the basal segment of the 

 abdomen and in the middle of the second also it is bright yellow, 

 on the rest of the abdomen it is black. 



Var. The yellow pubescence on the abdomen is on the sides only of 

 the first and second segments. 



Hab. Guatemala, Yal de Fuego, and Irazu, 6000-7000 feet. 



EUMENID.E. 



ODYNERUS. 



Group of Odynerus pratensis, Saussure's American Wasps, p. 292. 



1. Odynerus localis. 



Female. Length 7 lines.— Head and thorax not strongly but very 

 closely punctured ; the clypeus convex, strongly punctured, and 

 truncate at the apex. The mesothorax with a mixture of large and 

 small punctures ; the postscutellum with strong punctures and cre- 

 nulated ; the metathorax rugose and truncate ; wings dark shining 

 reddish brown. Abdomen shining, truncate at the base, but not 

 sharply ridged ; the first and second segments with very fine distant 

 punctures, the puncturing being strongest and closest at the base 

 of the second segment; the third and following segments with 

 stronger punctures than the first or second ; the apical margins of 

 the first and second segments with white fasciae, that on the first 

 narrower than that on the second. 



Male. Only presents the usual sexual difference in the structure 

 of the antennae and abdomen ; but the white bands on the abdomen 

 are narrower, and the basal segment is rounded, not truncate. 



Hab. Kauai. 



According to the Rev. T. Blackburn, this species is abundant on 

 the island of Kauai, but is not found anywhere else. 



