44 THE CANADIAN ENTOMOLOGIST. 



the pleura. Abdomen black, a fascia of white tomentum at base of each 

 segment and at apices of the last three. Legs brown, in front and behind 

 covered with white tomentum, bases of femora yellow, both ends of tarsal 

 joints broadly white ; front and middle tarsal claws each bearing a tooth 

 on the under side, hind tarsal claws simple. Wings hyaline; scales of veins 

 brown, with a few white ones intermixed. 



9 same as the cj , with these exceptions : Palpi black, the apex 

 broadly and inner side of apex of the penultimate joint covered with white 

 tomentum ; antennae wholly brown ; tarsal claws destitute of teeth. 

 Thorax sometimes yellowish-brown. Length, 4.5 mm. 



Argus Mts. and Folsom, Calif. One male and four females in the 

 National Museum, collected by Mr. A. Koebele. 



Closely related to tceniorhynchus, Wied., but in that species the male 

 has a tooth on under side of one tarsal claw and two beneath the other 

 claw, and the female has each front tarsal claw toothed. 



Megarhinus rutila, n. sp. — ^ . Head black, tomentum of occiput 

 blue in the centre, white next the eyes ; antennae brown, the first joint 

 covered with blue tomentum on the outer side, that on the inner side 

 silvery-white ; hairs of antennai dark gray, their bases brown ; proboscis 

 and palpi black, covered with an appressed blue, golden and violet 

 tomentum. Thorax brown, its tomentum golden-brown and violet, that 

 on the lateral margins pale golden; humeral angle and two large spots on 

 the pleura covered with golden tomentum, scutellum covered with blue, 

 black and violet tomentum. Abdomen black, its tomentum blue, becom- 

 ing violet at the tip, that on the lateral margins golden, on the venter 

 blue, mixed with a few golden ones ; sides of abdomen bearing a few 

 short pale yellow hairs. Legs black, the tomentum mixed blue, violet 

 and golden, that on the coxae and apices of femora entirely golden ; 

 second joint and base of the third of each front and middle tarsi, fourth 

 joint and base of the fifth of the hind tarsi, white ; one claw of each front 

 and middle tarsi toothed, the other claws simple. Wings hyaline, costal 

 margin and the veins brown, the scales blue and violet. 



9 same as the ,^ , with these exceptions : First joint of antennae 

 destitute of blue and silvery tomentum ; second, third and base of fourth 

 joint of the front and middle tarsi, white ; tarsal claws simple. Length, 

 7 to 10 mm. 



North Carolina and Georgiana, Florida. Three males and five 

 females in the National Museum. 



Readily recognized by the colouring of the tarsi. 



