240 On the Hymenoptera of the Genus 



brum rounded ; disk of clypeus in part and of labrum 

 wholly yellow ; base of mandibles yellow ; palpi piceous, 

 apical joints pale ; occiput and prothorax punctured, and 

 thinly covered with short ashy hair ; body blue-black ; the 

 edge of collar, scutellum, two dots behind, apical and ba- 

 sal edge of basal membrane, two spots near base of ante- 

 rior coxEB on the pleura, and one near posterior coxae, 

 yeUow ; abdomen stout and dilated ; a white line beneath 

 anterior pair of legs, from middle of femora to feet; 

 apical joints of tarsi and the feet piceous ; femora of two 

 posterior pair shining with close, fine hair ; wings clouded, 

 semi-transparent ; nervures and stigma black ; costa lighter 

 at tip. 



Hab. Farmington, Conn. 



Two specimens examined. 



b. Antennae white at tip and base. 



Sp. 8. A. varius. Nov. spec. Black ; antennae at base 

 and tip yellow ; V spot and scutellum white ; abdomen 

 dark rufous. (Long. 0.37 in. Ex. alar. 0.75 in.) 



9 Black ; basal and four apical joints of antennae red- 

 dish yellow ; clypeus emarginate, labrum truncate, both 

 pale yellow ; a narrow pale mark back of the cheeks, and 

 a deeply lunate, slender white line on occiput ; mandibles 

 rufous at tip ; edge of collar, V spot, scutellum, two dots 

 behind, and ridge of metathorax, white ; abdomen dark 

 red ; basal segment black ; legs rufous ; tarsi, except the 

 base of basal joint, the basal half of femora, and a large 

 spot on posterior coxae, white ; coxae, apex of posterior 

 tibiae, and feet, black ; wings hyaline ; nervures black ; 

 half of stigma, costa, and wing-scale, piceous. 



Hab. Farmington, Conn. 



Two specimens examined. 



c. Antennae white or yellow at base. 



Sp. 9. A. basilaris. 



A. coronatus. $ H. Cat. 



