216 long's second expedition. 



sericeous, with ochreous tibiae and tips of the thighs ; posterior pair 

 black, sericeous, tibiae ochreous at base. 



Length one-fourth to nearly three-tenths of an inch. 



Very like the sulcatus Jurine, but is much larger ; it differs 

 from Ichneumon oculator Fabr., by being immaculate, and from 

 Cryptus irrorator Fabr., by tbe oval form of its abdomen. 



2. S. basilaris. — Black ; base of the antennae and feet pale 

 yellowish. 



Inhabits Pennsylvania. 



Head punctured ; antenna?, first and second joints pale yellow- 

 ish; mandibles yellowish ; palpi white; thorax punctured ; scu- 

 tel, metathorax, and tergum at base longitudinally wrinkled ; 

 wings hyaline, pale yellowish at base ; nervures fuscous ; feet 

 pale yellowish, tips of the tarsi dusky. 



Length nearly one-fifth of an inch. 



This species is in the collection of Mr. William W. Wood. It 

 is much smaller than the preceding species and readily distin- 

 guished by the color of the basal joints of the antennae and of the 

 feet. 



BRACON Jur. 



1. B. tibiator. — Black ; wings fuscous at tip. 

 Inhabits Pennsylvania. 



9 Wings hyaline, nervures robust, fuscous ; tip including the 

 extremity of the second submarginal cellule, fuscous ; feet, ante- 

 rior pair of tibia? and tarsi yellowish-white ; intermediate tarsi 

 whitish ; posterior pairs of tibiae white at base. 



Length of the body one-fifth of an inch. [323] 



2. B. populator. — Black ; abdomen red ; wings dark fuli- 

 ginous. 



Inhabits United States. 



% 9 Metathorax rough, with confluent punctures ; abdomen en- 

 tirely reddish-fulvous } oviduct black, longer than the abdomen. 



Length of the body two-fifths of an inch. 



A very common insect in many parts of the United States. 

 The head and stethidium are sometimes dark piceous with the 

 anterior portion of the thorax black. It resembles B. initiator 

 Fabr. 



