•Superfamily Argiopoidea 



very widely separated, being three or four times the diameter of 

 one of them apart. This is a small genus; only a single represen- 

 tative of it has been found in this country. 



Spintharus flavidus (S. flav'i-dus). — This remarkable spider 

 can be easily recognized by the accompanying figures. The 

 female (Fig. 332) measures from one- sixth to one fourth inch in 

 length. The cephalothorax and legs are pale yellow; the ab- 

 domen reddish brown. On each side of the abdomen there is a 

 white or yellow stripe. The area on the dorsal side of the ab- 

 domen, between these stripes, is 

 marked with black, red, and yellow; 

 the distribution of these colours 



Fig. 332. 

 SPINTHARUS FLAVIDUS, FEMALE 



Fig. 333- 

 SPINTHARUS FLA\ ll't S, M VLE 



varies greatly in different individuals. This dorsal area is often 

 bordered by a black line or series of dots, inside of which there 

 is a red line, and inside of this two or three pairs of yellow oi 

 white spots. 



The male measures about one eighth inch in length. It 

 has longer legs and a more slender abdomen than the female. 

 (Fig. 333.) It also varies greatly in markings. 



The species is found from New England to Florida. It 

 is common on the lower surface of leaves of bushes. The spider 



M' 



