THE CANADIAN ENTOMOLOGIST. 131 



labial palpi reaching to one-third of anterior femora ; pronotal 

 comb of 1 6 spines ; in anterior tarsi joint 2 longer than i and 

 one-third longer than 3 ; in middle tarsi joint i equals 3 and 4 

 together and shorter than 5, while 5 is twice 4 ; in posterior 

 tarsi joint i equals 2 and 3 together, 5 a little longer than 3 and 

 less than one-half of i, while 2 is three times 4 and less than 4 

 and 5 together ; hind femora with a row of bristles on side ; 

 colour, light reddish-brown, darker dorsally on abdomen; 



length, 2-2.5 1^^™ Brwieri, n. sp. 



BB. Apical spine on joint 2 of hind tarsi shorter than joint 3 ; pronotal 

 comb of 18 spines ; in anterior tarsi joint i little, if any, longer 

 than 3 C. 



C. Antennal groove in anterior half of head ; maxillary palpi in 



female with joint 2 little shorter than 4, 3 two-thirds of 4 ; 

 labial palpi reaching to end of anterior trochanters ; in anterior 

 tarsi joint 5 shorter than i and 2 together, i and 2 nearly 

 equal ; in middle tarsi joint 5 equals twice 4, and about the 

 same as 2, while i about equals 3 and 4 together; in posterior 

 tarsi joint 5 shorter than 3 and 4 together, and one-half of i, 



2 is three times 4 and long as 4 and 5 together ; colour, light 

 brown, darker dorsally on abdomen; length, 2.5-3 mm.scmrorum. 



CC. Antennal groove in posterior half of head ; labial palpi reaching 

 to one-third anterior femora ; in anterior tarsi joint 2 long as 3 

 and 4 together, i twice 4 ; in middle tarsi joint 5 equals 



3 and 4 together; in posterior tarsi joint i twice 2, 5 

 shorter than i and long as 3 and 4 together; colour, light 

 reddish brown ; length, 5 mm melis. 



D. Apical spine on joint i of hind tarsi only half as long as joint 2 ; 



maxillary palpi in female with joint 2 longer than 4 ; bristles on 

 joint 2 of antennae shorter than joint 3 ; pronotal comb of 12 

 spines ; in anterior tarsi joint 2 longer than 3 and about 

 equal to i, 5 twice 4 and shorter than i and 2 together; in 

 middle tarsi joint 5 one-fourth longer than 2 ; in posterior tarsi 

 joint 5 long as 3 and 4 together, and one-half of i, 2 three 

 times 4 and more than 4 and 5 together ; colour, light brown ; 



length, 2 mm lotigispinus, n. sp. 



DD. Apical spine on joint \ of hind tarsi nearly as long as joint 2 ; 

 maxillary palpi in female with joint 2 shorter than 4 ; bristles 



