518 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 51, 



The color of the hind femora makes this species easily recognized. 

 In the specimens examined the recurrent is always antefurcal and 

 the areolation of the propodeum is fairly constant. Basal area 

 nearly parallel-sided, its length and width subequal; areola separated 



Fig. 3.— Arotes decorus (Say). Adult female enlarged about 3.5 dlvmeters. 



from both the basal and petiolar areas; ovipositor subequal in length 

 with the body; wings hyaline with apical margin dusky; stigma 

 black; antennae with a broad white annulus. 



Distribution. — Say's specimens came from Indiana, and specimens 

 in the collection of the Academy of Natural Sciences of Philadelphia 



